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Input: rework psmouse attributes to reduce module size 

Rearrange attribute code to use generic show and set handlers
instead of replicating them for every attribute; switch to
using attribute_group instead of creating all attributes
manually. All this saves about 4K.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov 2005-09-04 01:40:20 -05:00
parent 15c42e5a1f
commit cfe9e88866
4 changed files with 198 additions and 161 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/input/mouse/logips2pp.c
View File

@ -150,12 +150,12 @@ static void ps2pp_set_smartscroll(struct psmouse *psmouse, unsigned int smartscr
ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
}
static ssize_t psmouse_attr_show_smartscroll(struct psmouse *psmouse, char *buf)
static ssize_t ps2pp_attr_show_smartscroll(struct psmouse *psmouse, void *data, char *buf)
{
return sprintf(buf, "%d\n", psmouse->smartscroll ? 1 : 0);
}
static ssize_t psmouse_attr_set_smartscroll(struct psmouse *psmouse, const char *buf, size_t count)
static ssize_t ps2pp_attr_set_smartscroll(struct psmouse *psmouse, void *data, const char *buf, size_t count)
{
unsigned long value;
char *rest;
@ -169,7 +169,8 @@ static ssize_t psmouse_attr_set_smartscroll(struct psmouse *psmouse, const char
return count;
}
PSMOUSE_DEFINE_ATTR(smartscroll);
PSMOUSE_DEFINE_ATTR(smartscroll, S_IWUSR | S_IRUGO, NULL,
ps2pp_attr_show_smartscroll, ps2pp_attr_set_smartscroll);
/*
* Support 800 dpi resolution _only_ if the user wants it (there are good
@ -194,7 +195,7 @@ static void ps2pp_set_resolution(struct psmouse *psmouse, unsigned int resolutio
static void ps2pp_disconnect(struct psmouse *psmouse)
{
device_remove_file(&psmouse->ps2dev.serio->dev, &psmouse_attr_smartscroll);
device_remove_file(&psmouse->ps2dev.serio->dev, &psmouse_attr_smartscroll.dattr);
}
static struct ps2pp_info *get_model_info(unsigned char model)
@ -379,7 +380,8 @@ int ps2pp_init(struct psmouse *psmouse, int set_properties)
psmouse->set_resolution = ps2pp_set_resolution;
psmouse->disconnect = ps2pp_disconnect;
device_create_file(&psmouse->ps2dev.serio->dev, &psmouse_attr_smartscroll);
device_create_file(&psmouse->ps2dev.serio->dev,
&psmouse_attr_smartscroll.dattr);
}
}

117
drivers/input/mouse/psmouse-base.c
View File

@ -58,10 +58,30 @@ static unsigned int psmouse_resetafter;
module_param_named(resetafter, psmouse_resetafter, uint, 0644);
MODULE_PARM_DESC(resetafter, "Reset device after so many bad packets (0 = never).");
PSMOUSE_DEFINE_ATTR(protocol);
PSMOUSE_DEFINE_ATTR(rate);
PSMOUSE_DEFINE_ATTR(resolution);
PSMOUSE_DEFINE_ATTR(resetafter);
PSMOUSE_DEFINE_ATTR(protocol, S_IWUSR | S_IRUGO,
NULL,
psmouse_attr_show_protocol, psmouse_attr_set_protocol);
PSMOUSE_DEFINE_ATTR(rate, S_IWUSR | S_IRUGO,
(void *) offsetof(struct psmouse, rate),
psmouse_show_int_attr, psmouse_attr_set_rate);
PSMOUSE_DEFINE_ATTR(resolution, S_IWUSR | S_IRUGO,
(void *) offsetof(struct psmouse, resolution),
psmouse_show_int_attr, psmouse_attr_set_resolution);
PSMOUSE_DEFINE_ATTR(resetafter, S_IWUSR | S_IRUGO,
(void *) offsetof(struct psmouse, resetafter),
psmouse_show_int_attr, psmouse_set_int_attr);
static struct attribute *psmouse_attributes[] = {
&psmouse_attr_protocol.dattr.attr,
&psmouse_attr_rate.dattr.attr,
&psmouse_attr_resolution.dattr.attr,
&psmouse_attr_resetafter.dattr.attr,
NULL
};
static struct attribute_group psmouse_attribute_group = {
.attrs = psmouse_attributes,
};
__obsolete_setup("psmouse_noext");
__obsolete_setup("psmouse_resolution=");
@ -800,10 +820,7 @@ static void psmouse_disconnect(struct serio *serio)
psmouse = serio_get_drvdata(serio);
device_remove_file(&serio->dev, &psmouse_attr_protocol);
device_remove_file(&serio->dev, &psmouse_attr_rate);
device_remove_file(&serio->dev, &psmouse_attr_resolution);
device_remove_file(&serio->dev, &psmouse_attr_resetafter);
sysfs_remove_group(&serio->dev.kobj, &psmouse_attribute_group);
down(&psmouse_sem);
@ -940,10 +957,7 @@ static int psmouse_connect(struct serio *serio, struct serio_driver *drv)
if (parent && parent->pt_activate)
parent->pt_activate(parent);
device_create_file(&serio->dev, &psmouse_attr_protocol);
device_create_file(&serio->dev, &psmouse_attr_rate);
device_create_file(&serio->dev, &psmouse_attr_resolution);
device_create_file(&serio->dev, &psmouse_attr_resetafter);
sysfs_create_group(&serio->dev.kobj, &psmouse_attribute_group);
psmouse_activate(psmouse);
@ -1040,10 +1054,12 @@ static struct serio_driver psmouse_drv = {
.cleanup = psmouse_cleanup,
};
ssize_t psmouse_attr_show_helper(struct device *dev, char *buf,
ssize_t (*handler)(struct psmouse *, char *))
ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *devattr,
char *buf)
{
struct serio *serio = to_serio_port(dev);
struct psmouse_attribute *attr = to_psmouse_attr(devattr);
struct psmouse *psmouse;
int retval;
retval = serio_pin_driver(serio);
@ -1055,19 +1071,21 @@ ssize_t psmouse_attr_show_helper(struct device *dev, char *buf,
goto out;
}
retval = handler(serio_get_drvdata(serio), buf);
psmouse = serio_get_drvdata(serio);
retval = attr->show(psmouse, attr->data, buf);
out:
serio_unpin_driver(serio);
return retval;
}
ssize_t psmouse_attr_set_helper(struct device *dev, const char *buf, size_t count,
ssize_t (*handler)(struct psmouse *, const char *, size_t))
ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *devattr,
const char *buf, size_t count)
{
struct serio *serio = to_serio_port(dev);
struct psmouse *psmouse = serio_get_drvdata(serio);
struct psmouse *parent = NULL;
struct psmouse_attribute *attr = to_psmouse_attr(devattr);
struct psmouse *psmouse, *parent = NULL;
int retval;
retval = serio_pin_driver(serio);
@ -1083,6 +1101,8 @@ ssize_t psmouse_attr_set_helper(struct device *dev, const char *buf, size_t coun
if (retval)
goto out_unpin;
psmouse = serio_get_drvdata(serio);
if (psmouse->state == PSMOUSE_IGNORE) {
retval = -ENODEV;
goto out_up;
@ -1095,7 +1115,7 @@ ssize_t psmouse_attr_set_helper(struct device *dev, const char *buf, size_t coun
psmouse_deactivate(psmouse);
retval = handler(psmouse, buf, count);
retval = attr->set(psmouse, attr->data, buf, count);
if (retval != -ENODEV)
psmouse_activate(psmouse);
@ -1110,12 +1130,34 @@ ssize_t psmouse_attr_set_helper(struct device *dev, const char *buf, size_t coun
return retval;
}
static ssize_t psmouse_attr_show_protocol(struct psmouse *psmouse, char *buf)
static ssize_t psmouse_show_int_attr(struct psmouse *psmouse, void *offset, char *buf)
{
unsigned long *field = (unsigned long *)((char *)psmouse + (size_t)offset);
return sprintf(buf, "%lu\n", *field);
}
static ssize_t psmouse_set_int_attr(struct psmouse *psmouse, void *offset, const char *buf, size_t count)
{
unsigned long *field = (unsigned long *)((char *)psmouse + (size_t)offset);
unsigned long value;
char *rest;
value = simple_strtoul(buf, &rest, 10);
if (*rest)
return -EINVAL;
*field = value;
return count;
}
static ssize_t psmouse_attr_show_protocol(struct psmouse *psmouse, void *data, char *buf)
{
return sprintf(buf, "%s\n", psmouse_protocol_by_type(psmouse->type)->name);
}
static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, const char *buf, size_t count)
static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, void *data, const char *buf, size_t count)
{
struct serio *serio = psmouse->ps2dev.serio;
struct psmouse *parent = NULL;
@ -1179,12 +1221,7 @@ static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, const char *bu
return count;
}
static ssize_t psmouse_attr_show_rate(struct psmouse *psmouse, char *buf)
{
return sprintf(buf, "%d\n", psmouse->rate);
}
static ssize_t psmouse_attr_set_rate(struct psmouse *psmouse, const char *buf, size_t count)
static ssize_t psmouse_attr_set_rate(struct psmouse *psmouse, void *data, const char *buf, size_t count)
{
unsigned long value;
char *rest;
@ -1197,12 +1234,7 @@ static ssize_t psmouse_attr_set_rate(struct psmouse *psmouse, const char *buf, s
return count;
}
static ssize_t psmouse_attr_show_resolution(struct psmouse *psmouse, char *buf)
{
return sprintf(buf, "%d\n", psmouse->resolution);
}
static ssize_t psmouse_attr_set_resolution(struct psmouse *psmouse, const char *buf, size_t count)
static ssize_t psmouse_attr_set_resolution(struct psmouse *psmouse, void *data, const char *buf, size_t count)
{
unsigned long value;
char *rest;
@ -1215,23 +1247,6 @@ static ssize_t psmouse_attr_set_resolution(struct psmouse *psmouse, const char *
return count;
}
static ssize_t psmouse_attr_show_resetafter(struct psmouse *psmouse, char *buf)
{
return sprintf(buf, "%d\n", psmouse->resetafter);
}
static ssize_t psmouse_attr_set_resetafter(struct psmouse *psmouse, const char *buf, size_t count)
{
unsigned long value;
char *rest;
value = simple_strtoul(buf, &rest, 10);
if (*rest)
return -EINVAL;
psmouse->resetafter = value;
return count;
}
static int psmouse_set_maxproto(const char *val, struct kernel_param *kp)
{

49
drivers/input/mouse/psmouse.h
View File

@ -86,24 +86,37 @@ int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);
int psmouse_reset(struct psmouse *psmouse);
void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution);
ssize_t psmouse_attr_show_helper(struct device *dev, char *buf,
ssize_t (*handler)(struct psmouse *, char *));
ssize_t psmouse_attr_set_helper(struct device *dev, const char *buf, size_t count,
ssize_t (*handler)(struct psmouse *, const char *, size_t));
#define PSMOUSE_DEFINE_ATTR(_name) \
static ssize_t psmouse_attr_show_##_name(struct psmouse *, char *); \
static ssize_t psmouse_attr_set_##_name(struct psmouse *, const char *, size_t);\
static ssize_t psmouse_do_show_##_name(struct device *d, struct device_attribute *attr, char *b) \
{ \
return psmouse_attr_show_helper(d, b, psmouse_attr_show_##_name); \
} \
static ssize_t psmouse_do_set_##_name(struct device *d, struct device_attribute *attr, const char *b, size_t s)\
{ \
return psmouse_attr_set_helper(d, b, s, psmouse_attr_set_##_name); \
} \
static struct device_attribute psmouse_attr_##_name = \
__ATTR(_name, S_IWUSR | S_IRUGO, \
psmouse_do_show_##_name, psmouse_do_set_##_name);
struct psmouse_attribute {
struct device_attribute dattr;
void *data;
ssize_t (*show)(struct psmouse *psmouse, void *data, char *buf);
ssize_t (*set)(struct psmouse *psmouse, void *data,
const char *buf, size_t count);
};
#define to_psmouse_attr(a) container_of((a), struct psmouse_attribute, dattr)
ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr,
char *buf);
ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count);
#define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set) \
static ssize_t _show(struct psmouse *, void *data, char *); \
static ssize_t _set(struct psmouse *, void *data, const char *, size_t); \
static struct psmouse_attribute psmouse_attr_##_name = { \
.dattr = { \
.attr = { \
.name = __stringify(_name), \
.mode = _mode, \
.owner = THIS_MODULE, \
}, \
.show = psmouse_attr_show_helper, \
.store = psmouse_attr_set_helper, \
}, \
.data = _data, \
.show = _show, \
.set = _set, \
}
#endif /* _PSMOUSE_H */

181
drivers/input/mouse/trackpoint.c
View File

@ -19,54 +19,6 @@
#include "psmouse.h"
#include "trackpoint.h"
PSMOUSE_DEFINE_ATTR(sensitivity);
PSMOUSE_DEFINE_ATTR(speed);
PSMOUSE_DEFINE_ATTR(inertia);
PSMOUSE_DEFINE_ATTR(reach);
PSMOUSE_DEFINE_ATTR(draghys);
PSMOUSE_DEFINE_ATTR(mindrag);
PSMOUSE_DEFINE_ATTR(thresh);
PSMOUSE_DEFINE_ATTR(upthresh);
PSMOUSE_DEFINE_ATTR(ztime);
PSMOUSE_DEFINE_ATTR(jenks);
PSMOUSE_DEFINE_ATTR(press_to_select);
PSMOUSE_DEFINE_ATTR(skipback);
PSMOUSE_DEFINE_ATTR(ext_dev);
#define MAKE_ATTR_READ(_item) \
static ssize_t psmouse_attr_show_##_item(struct psmouse *psmouse, char *buf) \
{ \
struct trackpoint_data *tp = psmouse->private; \
return sprintf(buf, "%lu\n", (unsigned long)tp->_item); \
}
#define MAKE_ATTR_WRITE(_item, command) \
static ssize_t psmouse_attr_set_##_item(struct psmouse *psmouse, const char *buf, size_t count) \
{ \
char *rest; \
unsigned long value; \
struct trackpoint_data *tp = psmouse->private; \
value = simple_strtoul(buf, &rest, 10); \
if (*rest) \
return -EINVAL; \
tp->_item = value; \
trackpoint_write(&psmouse->ps2dev, command, tp->_item); \
return count; \
}
#define MAKE_ATTR_TOGGLE(_item, command, mask) \
static ssize_t psmouse_attr_set_##_item(struct psmouse *psmouse, const char *buf, size_t count) \
{ \
unsigned char toggle; \
struct trackpoint_data *tp = psmouse->private; \
toggle = (buf[0] == '1') ? 1 : 0; \
if (toggle != tp->_item) { \
tp->_item = toggle; \
trackpoint_toggle_bit(&psmouse->ps2dev, command, mask); \
} \
return count; \
}
/*
* Device IO: read, write and toggle bit
*/
@ -108,59 +60,114 @@ static int trackpoint_toggle_bit(struct ps2dev *ps2dev, unsigned char loc, unsig
return 0;
}
MAKE_ATTR_WRITE(sensitivity, TP_SENS);
MAKE_ATTR_READ(sensitivity);
MAKE_ATTR_WRITE(speed, TP_SPEED);
MAKE_ATTR_READ(speed);
/*
* Trackpoint-specific attributes
*/
struct trackpoint_attr_data {
size_t field_offset;
unsigned char command;
unsigned char mask;
};
MAKE_ATTR_WRITE(inertia, TP_INERTIA);
MAKE_ATTR_READ(inertia);
static ssize_t trackpoint_show_int_attr(struct psmouse *psmouse, void *data, char *buf)
{
struct trackpoint_data *tp = psmouse->private;
struct trackpoint_attr_data *attr = data;
unsigned char *field = (unsigned char *)((char *)tp + attr->field_offset);
MAKE_ATTR_WRITE(reach, TP_REACH);
MAKE_ATTR_READ(reach);
return sprintf(buf, "%u\n", *field);
}
MAKE_ATTR_WRITE(draghys, TP_DRAGHYS);
MAKE_ATTR_READ(draghys);
static ssize_t trackpoint_set_int_attr(struct psmouse *psmouse, void *data,
const char *buf, size_t count)
{
struct trackpoint_data *tp = psmouse->private;
struct trackpoint_attr_data *attr = data;
unsigned char *field = (unsigned char *)((char *)tp + attr->field_offset);
unsigned long value;
char *rest;
MAKE_ATTR_WRITE(mindrag, TP_MINDRAG);
MAKE_ATTR_READ(mindrag);
value = simple_strtoul(buf, &rest, 10);
if (*rest || value > 255)
return -EINVAL;
MAKE_ATTR_WRITE(thresh, TP_THRESH);
MAKE_ATTR_READ(thresh);
*field = value;
trackpoint_write(&psmouse->ps2dev, attr->command, value);
MAKE_ATTR_WRITE(upthresh, TP_UP_THRESH);
MAKE_ATTR_READ(upthresh);
return count;
}
MAKE_ATTR_WRITE(ztime, TP_Z_TIME);
MAKE_ATTR_READ(ztime);
#define TRACKPOINT_INT_ATTR(_name, _command) \
static struct trackpoint_attr_data trackpoint_attr_##_name = { \
.field_offset = offsetof(struct trackpoint_data, _name), \
.command = _command, \
}; \
PSMOUSE_DEFINE_ATTR(_name, S_IWUSR | S_IRUGO, \
&trackpoint_attr_##_name, \
trackpoint_show_int_attr, trackpoint_set_int_attr)
MAKE_ATTR_WRITE(jenks, TP_JENKS_CURV);
MAKE_ATTR_READ(jenks);
static ssize_t trackpoint_set_bit_attr(struct psmouse *psmouse, void *data,
const char *buf, size_t count)
{
struct trackpoint_data *tp = psmouse->private;
struct trackpoint_attr_data *attr = data;
unsigned char *field = (unsigned char *)((char *)tp + attr->field_offset);
unsigned long value;
char *rest;
MAKE_ATTR_TOGGLE(press_to_select, TP_TOGGLE_PTSON, TP_MASK_PTSON);
MAKE_ATTR_READ(press_to_select);
value = simple_strtoul(buf, &rest, 10);
if (*rest || value > 1)
return -EINVAL;
MAKE_ATTR_TOGGLE(skipback, TP_TOGGLE_SKIPBACK, TP_MASK_SKIPBACK);
MAKE_ATTR_READ(skipback);
if (*field != value) {
*field = value;
trackpoint_toggle_bit(&psmouse->ps2dev, attr->command, attr->mask);
}
MAKE_ATTR_TOGGLE(ext_dev, TP_TOGGLE_EXT_DEV, TP_MASK_EXT_DEV);
MAKE_ATTR_READ(ext_dev);
return count;
}
#define TRACKPOINT_BIT_ATTR(_name, _command, _mask) \
static struct trackpoint_attr_data trackpoint_attr_##_name = { \
.field_offset = offsetof(struct trackpoint_data, _name), \
.command = _command, \
.mask = _mask, \
}; \
PSMOUSE_DEFINE_ATTR(_name, S_IWUSR | S_IRUGO, \
&trackpoint_attr_##_name, \
trackpoint_show_int_attr, trackpoint_set_bit_attr)
TRACKPOINT_INT_ATTR(sensitivity, TP_SENS);
TRACKPOINT_INT_ATTR(speed, TP_SPEED);
TRACKPOINT_INT_ATTR(inertia, TP_INERTIA);
TRACKPOINT_INT_ATTR(reach, TP_REACH);
TRACKPOINT_INT_ATTR(draghys, TP_DRAGHYS);
TRACKPOINT_INT_ATTR(mindrag, TP_MINDRAG);
TRACKPOINT_INT_ATTR(thresh, TP_THRESH);
TRACKPOINT_INT_ATTR(upthresh, TP_UP_THRESH);
TRACKPOINT_INT_ATTR(ztime, TP_Z_TIME);
TRACKPOINT_INT_ATTR(jenks, TP_JENKS_CURV);
TRACKPOINT_BIT_ATTR(press_to_select, TP_TOGGLE_PTSON, TP_MASK_PTSON);
TRACKPOINT_BIT_ATTR(skipback, TP_TOGGLE_SKIPBACK, TP_MASK_SKIPBACK);
TRACKPOINT_BIT_ATTR(ext_dev, TP_TOGGLE_EXT_DEV, TP_MASK_EXT_DEV);
static struct attribute *trackpoint_attrs[] = {
&psmouse_attr_sensitivity.attr,
&psmouse_attr_speed.attr,
&psmouse_attr_inertia.attr,
&psmouse_attr_reach.attr,
&psmouse_attr_draghys.attr,
&psmouse_attr_mindrag.attr,
&psmouse_attr_thresh.attr,
&psmouse_attr_upthresh.attr,
&psmouse_attr_ztime.attr,
&psmouse_attr_jenks.attr,
&psmouse_attr_press_to_select.attr,
&psmouse_attr_skipback.attr,
&psmouse_attr_ext_dev.attr,
&psmouse_attr_sensitivity.dattr.attr,
&psmouse_attr_speed.dattr.attr,
&psmouse_attr_inertia.dattr.attr,
&psmouse_attr_reach.dattr.attr,
&psmouse_attr_draghys.dattr.attr,
&psmouse_attr_mindrag.dattr.attr,
&psmouse_attr_thresh.dattr.attr,
&psmouse_attr_upthresh.dattr.attr,
&psmouse_attr_ztime.dattr.attr,
&psmouse_attr_jenks.dattr.attr,
&psmouse_attr_press_to_select.dattr.attr,
&psmouse_attr_skipback.dattr.attr,
&psmouse_attr_ext_dev.dattr.attr,
NULL
};