Merge master.kernel.org:/pub/scm/linux/kernel/git/dtor/input
This commit is contained in:
commit
d89b8f40fc
|
@ -11,7 +11,6 @@ obj-$(CONFIG_KEYBOARD_XTKBD) += xtkbd.o
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obj-$(CONFIG_KEYBOARD_AMIGA) += amikbd.o
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obj-$(CONFIG_KEYBOARD_AMIGA) += amikbd.o
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obj-$(CONFIG_KEYBOARD_LOCOMO) += locomokbd.o
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obj-$(CONFIG_KEYBOARD_LOCOMO) += locomokbd.o
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obj-$(CONFIG_KEYBOARD_NEWTON) += newtonkbd.o
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obj-$(CONFIG_KEYBOARD_NEWTON) += newtonkbd.o
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obj-$(CONFIG_KEYBOARD_98KBD) += 98kbd.o
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obj-$(CONFIG_KEYBOARD_CORGI) += corgikbd.o
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obj-$(CONFIG_KEYBOARD_CORGI) += corgikbd.o
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obj-$(CONFIG_KEYBOARD_SPITZ) += spitzkbd.o
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obj-$(CONFIG_KEYBOARD_SPITZ) += spitzkbd.o
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obj-$(CONFIG_KEYBOARD_HIL) += hil_kbd.o
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obj-$(CONFIG_KEYBOARD_HIL) += hil_kbd.o
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@ -7,7 +7,6 @@
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obj-$(CONFIG_INPUT_SPARCSPKR) += sparcspkr.o
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obj-$(CONFIG_INPUT_SPARCSPKR) += sparcspkr.o
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obj-$(CONFIG_INPUT_PCSPKR) += pcspkr.o
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obj-$(CONFIG_INPUT_PCSPKR) += pcspkr.o
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obj-$(CONFIG_INPUT_M68K_BEEP) += m68kspkr.o
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obj-$(CONFIG_INPUT_M68K_BEEP) += m68kspkr.o
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obj-$(CONFIG_INPUT_98SPKR) += 98spkr.o
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obj-$(CONFIG_INPUT_UINPUT) += uinput.o
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obj-$(CONFIG_INPUT_UINPUT) += uinput.o
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obj-$(CONFIG_INPUT_WISTRON_BTNS) += wistron_btns.o
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obj-$(CONFIG_INPUT_WISTRON_BTNS) += wistron_btns.o
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obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o
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obj-$(CONFIG_HP_SDC_RTC) += hp_sdc_rtc.o
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@ -19,6 +19,7 @@
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#include <linux/input.h>
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#include <linux/input.h>
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#include <linux/delay.h>
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#include <linux/delay.h>
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#include <linux/platform_device.h>
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#include <linux/platform_device.h>
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#include <linux/interrupt.h>
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#include <asm/hardware.h>
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#include <asm/hardware.h>
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MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>");
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MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>");
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@ -232,6 +232,7 @@ static struct ps2pp_info *get_model_info(unsigned char model)
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{ 88, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
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{ 88, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
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{ 96, 0, 0 },
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{ 96, 0, 0 },
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{ 97, PS2PP_KIND_TP3, PS2PP_WHEEL | PS2PP_HWHEEL },
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{ 97, PS2PP_KIND_TP3, PS2PP_WHEEL | PS2PP_HWHEEL },
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{ 99, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
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{ 100, PS2PP_KIND_MX, /* MX510 */
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{ 100, PS2PP_KIND_MX, /* MX510 */
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PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN |
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PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN |
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PS2PP_EXTRA_BTN | PS2PP_NAV_BTN },
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PS2PP_EXTRA_BTN | PS2PP_NAV_BTN },
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@ -68,15 +68,19 @@ struct trackpoint_attr_data {
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size_t field_offset;
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size_t field_offset;
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unsigned char command;
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unsigned char command;
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unsigned char mask;
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unsigned char mask;
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unsigned char inverted;
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};
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};
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static ssize_t trackpoint_show_int_attr(struct psmouse *psmouse, void *data, char *buf)
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static ssize_t trackpoint_show_int_attr(struct psmouse *psmouse, void *data, char *buf)
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{
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{
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struct trackpoint_data *tp = psmouse->private;
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struct trackpoint_data *tp = psmouse->private;
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struct trackpoint_attr_data *attr = data;
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struct trackpoint_attr_data *attr = data;
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unsigned char *field = (unsigned char *)((char *)tp + attr->field_offset);
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unsigned char value = *(unsigned char *)((char *)tp + attr->field_offset);
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return sprintf(buf, "%u\n", *field);
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if (attr->inverted)
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value = !value;
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return sprintf(buf, "%u\n", value);
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}
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}
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static ssize_t trackpoint_set_int_attr(struct psmouse *psmouse, void *data,
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static ssize_t trackpoint_set_int_attr(struct psmouse *psmouse, void *data,
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@ -120,6 +124,9 @@ static ssize_t trackpoint_set_bit_attr(struct psmouse *psmouse, void *data,
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if (*rest || value > 1)
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if (*rest || value > 1)
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return -EINVAL;
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return -EINVAL;
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if (attr->inverted)
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value = !value;
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if (*field != value) {
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if (*field != value) {
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*field = value;
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*field = value;
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trackpoint_toggle_bit(&psmouse->ps2dev, attr->command, attr->mask);
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trackpoint_toggle_bit(&psmouse->ps2dev, attr->command, attr->mask);
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@ -129,11 +136,12 @@ static ssize_t trackpoint_set_bit_attr(struct psmouse *psmouse, void *data,
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}
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}
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#define TRACKPOINT_BIT_ATTR(_name, _command, _mask) \
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#define TRACKPOINT_BIT_ATTR(_name, _command, _mask, _inv) \
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static struct trackpoint_attr_data trackpoint_attr_##_name = { \
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static struct trackpoint_attr_data trackpoint_attr_##_name = { \
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.field_offset = offsetof(struct trackpoint_data, _name), \
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.field_offset = offsetof(struct trackpoint_data, _name), \
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.command = _command, \
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.command = _command, \
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.mask = _mask, \
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.mask = _mask, \
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.inverted = _inv, \
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}; \
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}; \
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PSMOUSE_DEFINE_ATTR(_name, S_IWUSR | S_IRUGO, \
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PSMOUSE_DEFINE_ATTR(_name, S_IWUSR | S_IRUGO, \
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&trackpoint_attr_##_name, \
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&trackpoint_attr_##_name, \
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@ -150,9 +158,9 @@ TRACKPOINT_INT_ATTR(upthresh, TP_UP_THRESH);
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TRACKPOINT_INT_ATTR(ztime, TP_Z_TIME);
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TRACKPOINT_INT_ATTR(ztime, TP_Z_TIME);
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TRACKPOINT_INT_ATTR(jenks, TP_JENKS_CURV);
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TRACKPOINT_INT_ATTR(jenks, TP_JENKS_CURV);
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TRACKPOINT_BIT_ATTR(press_to_select, TP_TOGGLE_PTSON, TP_MASK_PTSON);
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TRACKPOINT_BIT_ATTR(press_to_select, TP_TOGGLE_PTSON, TP_MASK_PTSON, 0);
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TRACKPOINT_BIT_ATTR(skipback, TP_TOGGLE_SKIPBACK, TP_MASK_SKIPBACK);
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TRACKPOINT_BIT_ATTR(skipback, TP_TOGGLE_SKIPBACK, TP_MASK_SKIPBACK, 0);
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TRACKPOINT_BIT_ATTR(ext_dev, TP_TOGGLE_EXT_DEV, TP_MASK_EXT_DEV);
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TRACKPOINT_BIT_ATTR(ext_dev, TP_TOGGLE_EXT_DEV, TP_MASK_EXT_DEV, 1);
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static struct attribute *trackpoint_attrs[] = {
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static struct attribute *trackpoint_attrs[] = {
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&psmouse_attr_sensitivity.dattr.attr,
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&psmouse_attr_sensitivity.dattr.attr,
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@ -78,7 +78,7 @@
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#define TP_TOGGLE_MB 0x23 /* Disable/Enable Middle Button */
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#define TP_TOGGLE_MB 0x23 /* Disable/Enable Middle Button */
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#define TP_MASK_MB 0x01
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#define TP_MASK_MB 0x01
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#define TP_TOGGLE_EXT_DEV 0x23 /* Toggle external device */
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#define TP_TOGGLE_EXT_DEV 0x23 /* Disable external device */
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#define TP_MASK_EXT_DEV 0x02
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#define TP_MASK_EXT_DEV 0x02
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#define TP_TOGGLE_DRIFT 0x23 /* Drift Correction */
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#define TP_TOGGLE_DRIFT 0x23 /* Drift Correction */
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#define TP_MASK_DRIFT 0x80
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#define TP_MASK_DRIFT 0x80
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@ -125,7 +125,7 @@
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#define TP_DEF_MB 0x00
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#define TP_DEF_MB 0x00
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#define TP_DEF_PTSON 0x00
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#define TP_DEF_PTSON 0x00
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#define TP_DEF_SKIPBACK 0x00
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#define TP_DEF_SKIPBACK 0x00
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#define TP_DEF_EXT_DEV 0x01
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#define TP_DEF_EXT_DEV 0x00 /* 0 means enabled */
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#define MAKE_PS2_CMD(params, results, cmd) ((params<<12) | (results<<8) | (cmd))
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#define MAKE_PS2_CMD(params, results, cmd) ((params<<12) | (results<<8) | (cmd))
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@ -13,7 +13,6 @@ obj-$(CONFIG_SERIO_RPCKBD) += rpckbd.o
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obj-$(CONFIG_SERIO_SA1111) += sa1111ps2.o
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obj-$(CONFIG_SERIO_SA1111) += sa1111ps2.o
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obj-$(CONFIG_SERIO_AMBAKMI) += ambakmi.o
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obj-$(CONFIG_SERIO_AMBAKMI) += ambakmi.o
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obj-$(CONFIG_SERIO_Q40KBD) += q40kbd.o
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obj-$(CONFIG_SERIO_Q40KBD) += q40kbd.o
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obj-$(CONFIG_SERIO_98KBD) += 98kbd-io.o
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obj-$(CONFIG_SERIO_GSCPS2) += gscps2.o
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obj-$(CONFIG_SERIO_GSCPS2) += gscps2.o
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obj-$(CONFIG_HP_SDC) += hp_sdc.o
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obj-$(CONFIG_HP_SDC) += hp_sdc.o
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obj-$(CONFIG_HIL_MLC) += hp_sdc_mlc.o hil_mlc.o
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obj-$(CONFIG_HIL_MLC) += hp_sdc_mlc.o hil_mlc.o
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@ -48,10 +48,13 @@
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#define TS_POLL_PERIOD msecs_to_jiffies(10)
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#define TS_POLL_PERIOD msecs_to_jiffies(10)
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/* this driver doesn't aim at the peak continuous sample rate */
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#define SAMPLE_BITS (8 /*cmd*/ + 16 /*sample*/ + 2 /* before, after */)
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struct ts_event {
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struct ts_event {
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/* For portability, we can't read 12 bit values using SPI (which
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/* For portability, we can't read 12 bit values using SPI (which
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* would make the controller deliver them as native byteorder u16
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* would make the controller deliver them as native byteorder u16
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* with msbs zeroed). Instead, we read them as two 8-byte values,
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* with msbs zeroed). Instead, we read them as two 8-bit values,
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* which need byteswapping then range adjustment.
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* which need byteswapping then range adjustment.
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*/
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*/
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__be16 x;
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__be16 x;
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@ -60,7 +63,7 @@ struct ts_event {
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};
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};
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struct ads7846 {
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struct ads7846 {
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struct input_dev input;
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struct input_dev *input;
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char phys[32];
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char phys[32];
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struct spi_device *spi;
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struct spi_device *spi;
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@ -68,6 +71,7 @@ struct ads7846 {
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u16 vref_delay_usecs;
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u16 vref_delay_usecs;
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u16 x_plate_ohms;
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u16 x_plate_ohms;
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u8 read_x, read_y, read_z1, read_z2;
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struct ts_event tc;
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struct ts_event tc;
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struct spi_transfer xfer[8];
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struct spi_transfer xfer[8];
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@ -117,10 +121,10 @@ struct ads7846 {
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#define READ_12BIT_DFR(x) (ADS_START | ADS_A2A1A0_d_ ## x \
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#define READ_12BIT_DFR(x) (ADS_START | ADS_A2A1A0_d_ ## x \
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| ADS_12_BIT | ADS_DFR)
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| ADS_12_BIT | ADS_DFR)
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|
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static const u8 read_y = READ_12BIT_DFR(y) | ADS_PD10_ADC_ON;
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#define READ_Y (READ_12BIT_DFR(y) | ADS_PD10_ADC_ON)
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static const u8 read_z1 = READ_12BIT_DFR(z1) | ADS_PD10_ADC_ON;
|
#define READ_Z1 (READ_12BIT_DFR(z1) | ADS_PD10_ADC_ON)
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static const u8 read_z2 = READ_12BIT_DFR(z2) | ADS_PD10_ADC_ON;
|
#define READ_Z2 (READ_12BIT_DFR(z2) | ADS_PD10_ADC_ON)
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static const u8 read_x = READ_12BIT_DFR(x) | ADS_PD10_PDOWN; /* LAST */
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#define READ_X (READ_12BIT_DFR(x) | ADS_PD10_PDOWN) /* LAST */
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|
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/* single-ended samples need to first power up reference voltage;
|
/* single-ended samples need to first power up reference voltage;
|
||||||
* we leave both ADC and VREF powered
|
* we leave both ADC and VREF powered
|
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|
@ -128,8 +132,8 @@ static const u8 read_x = READ_12BIT_DFR(x) | ADS_PD10_PDOWN; /* LAST */
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#define READ_12BIT_SER(x) (ADS_START | ADS_A2A1A0_ ## x \
|
#define READ_12BIT_SER(x) (ADS_START | ADS_A2A1A0_ ## x \
|
||||||
| ADS_12_BIT | ADS_SER)
|
| ADS_12_BIT | ADS_SER)
|
||||||
|
|
||||||
static const u8 ref_on = READ_12BIT_DFR(x) | ADS_PD10_ALL_ON;
|
#define REF_ON (READ_12BIT_DFR(x) | ADS_PD10_ALL_ON)
|
||||||
static const u8 ref_off = READ_12BIT_DFR(y) | ADS_PD10_PDOWN;
|
#define REF_OFF (READ_12BIT_DFR(y) | ADS_PD10_PDOWN)
|
||||||
|
|
||||||
/*--------------------------------------------------------------------------*/
|
/*--------------------------------------------------------------------------*/
|
||||||
|
|
||||||
|
@ -138,7 +142,9 @@ static const u8 ref_off = READ_12BIT_DFR(y) | ADS_PD10_PDOWN;
|
||||||
*/
|
*/
|
||||||
|
|
||||||
struct ser_req {
|
struct ser_req {
|
||||||
|
u8 ref_on;
|
||||||
u8 command;
|
u8 command;
|
||||||
|
u8 ref_off;
|
||||||
u16 scratch;
|
u16 scratch;
|
||||||
__be16 sample;
|
__be16 sample;
|
||||||
struct spi_message msg;
|
struct spi_message msg;
|
||||||
|
@ -152,7 +158,7 @@ static int ads7846_read12_ser(struct device *dev, unsigned command)
|
||||||
struct ser_req *req = kzalloc(sizeof *req, SLAB_KERNEL);
|
struct ser_req *req = kzalloc(sizeof *req, SLAB_KERNEL);
|
||||||
int status;
|
int status;
|
||||||
int sample;
|
int sample;
|
||||||
int i;
|
int i;
|
||||||
|
|
||||||
if (!req)
|
if (!req)
|
||||||
return -ENOMEM;
|
return -ENOMEM;
|
||||||
|
@ -160,7 +166,8 @@ static int ads7846_read12_ser(struct device *dev, unsigned command)
|
||||||
INIT_LIST_HEAD(&req->msg.transfers);
|
INIT_LIST_HEAD(&req->msg.transfers);
|
||||||
|
|
||||||
/* activate reference, so it has time to settle; */
|
/* activate reference, so it has time to settle; */
|
||||||
req->xfer[0].tx_buf = &ref_on;
|
req->ref_on = REF_ON;
|
||||||
|
req->xfer[0].tx_buf = &req->ref_on;
|
||||||
req->xfer[0].len = 1;
|
req->xfer[0].len = 1;
|
||||||
req->xfer[1].rx_buf = &req->scratch;
|
req->xfer[1].rx_buf = &req->scratch;
|
||||||
req->xfer[1].len = 2;
|
req->xfer[1].len = 2;
|
||||||
|
@ -182,7 +189,8 @@ static int ads7846_read12_ser(struct device *dev, unsigned command)
|
||||||
/* REVISIT: take a few more samples, and compare ... */
|
/* REVISIT: take a few more samples, and compare ... */
|
||||||
|
|
||||||
/* turn off reference */
|
/* turn off reference */
|
||||||
req->xfer[4].tx_buf = &ref_off;
|
req->ref_off = REF_OFF;
|
||||||
|
req->xfer[4].tx_buf = &req->ref_off;
|
||||||
req->xfer[4].len = 1;
|
req->xfer[4].len = 1;
|
||||||
req->xfer[5].rx_buf = &req->scratch;
|
req->xfer[5].rx_buf = &req->scratch;
|
||||||
req->xfer[5].len = 2;
|
req->xfer[5].len = 2;
|
||||||
|
@ -236,11 +244,12 @@ SHOW(vbatt)
|
||||||
|
|
||||||
static void ads7846_rx(void *ads)
|
static void ads7846_rx(void *ads)
|
||||||
{
|
{
|
||||||
struct ads7846 *ts = ads;
|
struct ads7846 *ts = ads;
|
||||||
unsigned Rt;
|
struct input_dev *input_dev = ts->input;
|
||||||
unsigned sync = 0;
|
unsigned Rt;
|
||||||
u16 x, y, z1, z2;
|
unsigned sync = 0;
|
||||||
unsigned long flags;
|
u16 x, y, z1, z2;
|
||||||
|
unsigned long flags;
|
||||||
|
|
||||||
/* adjust: 12 bit samples (left aligned), built from
|
/* adjust: 12 bit samples (left aligned), built from
|
||||||
* two 8 bit values writen msb-first.
|
* two 8 bit values writen msb-first.
|
||||||
|
@ -276,21 +285,21 @@ static void ads7846_rx(void *ads)
|
||||||
* won't notice that, even if nPENIRQ never fires ...
|
* won't notice that, even if nPENIRQ never fires ...
|
||||||
*/
|
*/
|
||||||
if (!ts->pendown && Rt != 0) {
|
if (!ts->pendown && Rt != 0) {
|
||||||
input_report_key(&ts->input, BTN_TOUCH, 1);
|
input_report_key(input_dev, BTN_TOUCH, 1);
|
||||||
sync = 1;
|
sync = 1;
|
||||||
} else if (ts->pendown && Rt == 0) {
|
} else if (ts->pendown && Rt == 0) {
|
||||||
input_report_key(&ts->input, BTN_TOUCH, 0);
|
input_report_key(input_dev, BTN_TOUCH, 0);
|
||||||
sync = 1;
|
sync = 1;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (Rt) {
|
if (Rt) {
|
||||||
input_report_abs(&ts->input, ABS_X, x);
|
input_report_abs(input_dev, ABS_X, x);
|
||||||
input_report_abs(&ts->input, ABS_Y, y);
|
input_report_abs(input_dev, ABS_Y, y);
|
||||||
input_report_abs(&ts->input, ABS_PRESSURE, Rt);
|
input_report_abs(input_dev, ABS_PRESSURE, Rt);
|
||||||
sync = 1;
|
sync = 1;
|
||||||
}
|
}
|
||||||
if (sync)
|
if (sync)
|
||||||
input_sync(&ts->input);
|
input_sync(input_dev);
|
||||||
|
|
||||||
#ifdef VERBOSE
|
#ifdef VERBOSE
|
||||||
if (Rt || ts->pendown)
|
if (Rt || ts->pendown)
|
||||||
|
@ -396,9 +405,10 @@ static int ads7846_resume(struct spi_device *spi)
|
||||||
static int __devinit ads7846_probe(struct spi_device *spi)
|
static int __devinit ads7846_probe(struct spi_device *spi)
|
||||||
{
|
{
|
||||||
struct ads7846 *ts;
|
struct ads7846 *ts;
|
||||||
|
struct input_dev *input_dev;
|
||||||
struct ads7846_platform_data *pdata = spi->dev.platform_data;
|
struct ads7846_platform_data *pdata = spi->dev.platform_data;
|
||||||
struct spi_transfer *x;
|
struct spi_transfer *x;
|
||||||
int i;
|
int err;
|
||||||
|
|
||||||
if (!spi->irq) {
|
if (!spi->irq) {
|
||||||
dev_dbg(&spi->dev, "no IRQ?\n");
|
dev_dbg(&spi->dev, "no IRQ?\n");
|
||||||
|
@ -411,9 +421,9 @@ static int __devinit ads7846_probe(struct spi_device *spi)
|
||||||
}
|
}
|
||||||
|
|
||||||
/* don't exceed max specified sample rate */
|
/* don't exceed max specified sample rate */
|
||||||
if (spi->max_speed_hz > (125000 * 16)) {
|
if (spi->max_speed_hz > (125000 * SAMPLE_BITS)) {
|
||||||
dev_dbg(&spi->dev, "f(sample) %d KHz?\n",
|
dev_dbg(&spi->dev, "f(sample) %d KHz?\n",
|
||||||
(spi->max_speed_hz/16)/1000);
|
(spi->max_speed_hz/SAMPLE_BITS)/1000);
|
||||||
return -EINVAL;
|
return -EINVAL;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -423,13 +433,18 @@ static int __devinit ads7846_probe(struct spi_device *spi)
|
||||||
* to discard the four garbage LSBs.
|
* to discard the four garbage LSBs.
|
||||||
*/
|
*/
|
||||||
|
|
||||||
if (!(ts = kzalloc(sizeof(struct ads7846), GFP_KERNEL)))
|
ts = kzalloc(sizeof(struct ads7846), GFP_KERNEL);
|
||||||
return -ENOMEM;
|
input_dev = input_allocate_device();
|
||||||
|
if (!ts || !input_dev) {
|
||||||
|
err = -ENOMEM;
|
||||||
|
goto err_free_mem;
|
||||||
|
}
|
||||||
|
|
||||||
dev_set_drvdata(&spi->dev, ts);
|
dev_set_drvdata(&spi->dev, ts);
|
||||||
|
spi->dev.power.power_state = PMSG_ON;
|
||||||
|
|
||||||
ts->spi = spi;
|
ts->spi = spi;
|
||||||
spi->dev.power.power_state = PMSG_ON;
|
ts->input = input_dev;
|
||||||
|
|
||||||
init_timer(&ts->timer);
|
init_timer(&ts->timer);
|
||||||
ts->timer.data = (unsigned long) ts;
|
ts->timer.data = (unsigned long) ts;
|
||||||
|
@ -439,70 +454,80 @@ static int __devinit ads7846_probe(struct spi_device *spi)
|
||||||
ts->vref_delay_usecs = pdata->vref_delay_usecs ? : 100;
|
ts->vref_delay_usecs = pdata->vref_delay_usecs ? : 100;
|
||||||
ts->x_plate_ohms = pdata->x_plate_ohms ? : 400;
|
ts->x_plate_ohms = pdata->x_plate_ohms ? : 400;
|
||||||
|
|
||||||
init_input_dev(&ts->input);
|
snprintf(ts->phys, sizeof(ts->phys), "%s/input0", spi->dev.bus_id);
|
||||||
|
|
||||||
ts->input.dev = &spi->dev;
|
input_dev->name = "ADS784x Touchscreen";
|
||||||
ts->input.name = "ADS784x Touchscreen";
|
input_dev->phys = ts->phys;
|
||||||
snprintf(ts->phys, sizeof ts->phys, "%s/input0", spi->dev.bus_id);
|
input_dev->cdev.dev = &spi->dev;
|
||||||
ts->input.phys = ts->phys;
|
|
||||||
|
|
||||||
ts->input.evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
|
input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
|
||||||
ts->input.keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
|
input_dev->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
|
||||||
input_set_abs_params(&ts->input, ABS_X,
|
input_set_abs_params(input_dev, ABS_X,
|
||||||
pdata->x_min ? : 0,
|
pdata->x_min ? : 0,
|
||||||
pdata->x_max ? : MAX_12BIT,
|
pdata->x_max ? : MAX_12BIT,
|
||||||
0, 0);
|
0, 0);
|
||||||
input_set_abs_params(&ts->input, ABS_Y,
|
input_set_abs_params(input_dev, ABS_Y,
|
||||||
pdata->y_min ? : 0,
|
pdata->y_min ? : 0,
|
||||||
pdata->y_max ? : MAX_12BIT,
|
pdata->y_max ? : MAX_12BIT,
|
||||||
0, 0);
|
0, 0);
|
||||||
input_set_abs_params(&ts->input, ABS_PRESSURE,
|
input_set_abs_params(input_dev, ABS_PRESSURE,
|
||||||
pdata->pressure_min, pdata->pressure_max, 0, 0);
|
pdata->pressure_min, pdata->pressure_max, 0, 0);
|
||||||
|
|
||||||
input_register_device(&ts->input);
|
|
||||||
|
|
||||||
/* set up the transfers to read touchscreen state; this assumes we
|
/* set up the transfers to read touchscreen state; this assumes we
|
||||||
* use formula #2 for pressure, not #3.
|
* use formula #2 for pressure, not #3.
|
||||||
*/
|
*/
|
||||||
|
INIT_LIST_HEAD(&ts->msg.transfers);
|
||||||
x = ts->xfer;
|
x = ts->xfer;
|
||||||
|
|
||||||
/* y- still on; turn on only y+ (and ADC) */
|
/* y- still on; turn on only y+ (and ADC) */
|
||||||
x->tx_buf = &read_y;
|
ts->read_y = READ_Y;
|
||||||
|
x->tx_buf = &ts->read_y;
|
||||||
x->len = 1;
|
x->len = 1;
|
||||||
|
spi_message_add_tail(x, &ts->msg);
|
||||||
|
|
||||||
x++;
|
x++;
|
||||||
x->rx_buf = &ts->tc.y;
|
x->rx_buf = &ts->tc.y;
|
||||||
x->len = 2;
|
x->len = 2;
|
||||||
x++;
|
spi_message_add_tail(x, &ts->msg);
|
||||||
|
|
||||||
/* turn y+ off, x- on; we'll use formula #2 */
|
/* turn y+ off, x- on; we'll use formula #2 */
|
||||||
if (ts->model == 7846) {
|
if (ts->model == 7846) {
|
||||||
x->tx_buf = &read_z1;
|
x++;
|
||||||
|
ts->read_z1 = READ_Z1;
|
||||||
|
x->tx_buf = &ts->read_z1;
|
||||||
x->len = 1;
|
x->len = 1;
|
||||||
|
spi_message_add_tail(x, &ts->msg);
|
||||||
|
|
||||||
x++;
|
x++;
|
||||||
x->rx_buf = &ts->tc.z1;
|
x->rx_buf = &ts->tc.z1;
|
||||||
x->len = 2;
|
x->len = 2;
|
||||||
x++;
|
spi_message_add_tail(x, &ts->msg);
|
||||||
|
|
||||||
x->tx_buf = &read_z2;
|
x++;
|
||||||
|
ts->read_z2 = READ_Z2;
|
||||||
|
x->tx_buf = &ts->read_z2;
|
||||||
x->len = 1;
|
x->len = 1;
|
||||||
|
spi_message_add_tail(x, &ts->msg);
|
||||||
|
|
||||||
x++;
|
x++;
|
||||||
x->rx_buf = &ts->tc.z2;
|
x->rx_buf = &ts->tc.z2;
|
||||||
x->len = 2;
|
x->len = 2;
|
||||||
x++;
|
spi_message_add_tail(x, &ts->msg);
|
||||||
}
|
}
|
||||||
|
|
||||||
/* turn y- off, x+ on, then leave in lowpower */
|
/* turn y- off, x+ on, then leave in lowpower */
|
||||||
x->tx_buf = &read_x;
|
x++;
|
||||||
|
ts->read_x = READ_X;
|
||||||
|
x->tx_buf = &ts->read_x;
|
||||||
x->len = 1;
|
x->len = 1;
|
||||||
|
spi_message_add_tail(x, &ts->msg);
|
||||||
|
|
||||||
x++;
|
x++;
|
||||||
x->rx_buf = &ts->tc.x;
|
x->rx_buf = &ts->tc.x;
|
||||||
x->len = 2;
|
x->len = 2;
|
||||||
x++;
|
CS_CHANGE(*x);
|
||||||
|
spi_message_add_tail(x, &ts->msg);
|
||||||
|
|
||||||
CS_CHANGE(x[-1]);
|
|
||||||
|
|
||||||
for (i = 0; i < x - ts->xfer; i++)
|
|
||||||
spi_message_add_tail(&ts->xfer[i], &ts->msg);
|
|
||||||
ts->msg.complete = ads7846_rx;
|
ts->msg.complete = ads7846_rx;
|
||||||
ts->msg.context = ts;
|
ts->msg.context = ts;
|
||||||
|
|
||||||
|
@ -510,9 +535,8 @@ static int __devinit ads7846_probe(struct spi_device *spi)
|
||||||
SA_SAMPLE_RANDOM | SA_TRIGGER_FALLING,
|
SA_SAMPLE_RANDOM | SA_TRIGGER_FALLING,
|
||||||
spi->dev.bus_id, ts)) {
|
spi->dev.bus_id, ts)) {
|
||||||
dev_dbg(&spi->dev, "irq %d busy?\n", spi->irq);
|
dev_dbg(&spi->dev, "irq %d busy?\n", spi->irq);
|
||||||
input_unregister_device(&ts->input);
|
err = -EBUSY;
|
||||||
kfree(ts);
|
goto err_free_mem;
|
||||||
return -EBUSY;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
dev_info(&spi->dev, "touchscreen, irq %d\n", spi->irq);
|
dev_info(&spi->dev, "touchscreen, irq %d\n", spi->irq);
|
||||||
|
@ -534,7 +558,18 @@ static int __devinit ads7846_probe(struct spi_device *spi)
|
||||||
device_create_file(&spi->dev, &dev_attr_vbatt);
|
device_create_file(&spi->dev, &dev_attr_vbatt);
|
||||||
device_create_file(&spi->dev, &dev_attr_vaux);
|
device_create_file(&spi->dev, &dev_attr_vaux);
|
||||||
|
|
||||||
|
err = input_register_device(input_dev);
|
||||||
|
if (err)
|
||||||
|
goto err_free_irq;
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
|
|
||||||
|
err_free_irq:
|
||||||
|
free_irq(spi->irq, ts);
|
||||||
|
err_free_mem:
|
||||||
|
input_free_device(input_dev);
|
||||||
|
kfree(ts);
|
||||||
|
return err;
|
||||||
}
|
}
|
||||||
|
|
||||||
static int __devexit ads7846_remove(struct spi_device *spi)
|
static int __devexit ads7846_remove(struct spi_device *spi)
|
||||||
|
@ -554,7 +589,7 @@ static int __devexit ads7846_remove(struct spi_device *spi)
|
||||||
device_remove_file(&spi->dev, &dev_attr_vbatt);
|
device_remove_file(&spi->dev, &dev_attr_vbatt);
|
||||||
device_remove_file(&spi->dev, &dev_attr_vaux);
|
device_remove_file(&spi->dev, &dev_attr_vaux);
|
||||||
|
|
||||||
input_unregister_device(&ts->input);
|
input_unregister_device(ts->input);
|
||||||
kfree(ts);
|
kfree(ts);
|
||||||
|
|
||||||
dev_dbg(&spi->dev, "unregistered touchscreen\n");
|
dev_dbg(&spi->dev, "unregistered touchscreen\n");
|
||||||
|
|
Loading…
Reference in New Issue