struct psmouse_protocol {
enum psmouse_type type;
- char *name;
- char *alias;
+ const char *name;
+ const char *alias;
int maxproto;
int (*detect)(struct psmouse *, int);
int (*init)(struct psmouse *);
*/
if (psmouse->type == PSMOUSE_IMEX) {
- input_report_rel(dev, REL_WHEEL, (int) (packet[3] & 8) - (int) (packet[3] & 7));
- input_report_key(dev, BTN_SIDE, (packet[3] >> 4) & 1);
- input_report_key(dev, BTN_EXTRA, (packet[3] >> 5) & 1);
+ switch (packet[3] & 0xC0) {
+ case 0x80: /* vertical scroll on IntelliMouse Explorer 4.0 */
+ input_report_rel(dev, REL_WHEEL, (int) (packet[3] & 32) - (int) (packet[3] & 31));
+ break;
+ case 0x40: /* horizontal scroll on IntelliMouse Explorer 4.0 */
+ input_report_rel(dev, REL_HWHEEL, (int) (packet[3] & 32) - (int) (packet[3] & 31));
+ break;
+ case 0x00:
+ case 0xC0:
+ input_report_rel(dev, REL_WHEEL, (int) (packet[3] & 8) - (int) (packet[3] & 7));
+ input_report_key(dev, BTN_SIDE, (packet[3] >> 4) & 1);
+ input_report_key(dev, BTN_EXTRA, (packet[3] >> 5) & 1);
+ break;
+ }
}
/*
* Check if this is a new device announcement (0xAA 0x00)
*/
if (unlikely(psmouse->packet[0] == PSMOUSE_RET_BAT && psmouse->pktcnt <= 2)) {
- if (psmouse->pktcnt == 1)
+ if (psmouse->pktcnt == 1) {
+ psmouse->last = jiffies;
goto out;
+ }
if (psmouse->packet[1] == PSMOUSE_RET_ID) {
__psmouse_set_state(psmouse, PSMOUSE_IGNORE);
if (param[0] != 4)
return -1;
+/* Magic to enable horizontal scrolling on IntelliMouse 4.0 */
+ param[0] = 200;
+ ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE);
+ param[0] = 80;
+ ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE);
+ param[0] = 40;
+ ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE);
+
if (set_properties) {
set_bit(BTN_MIDDLE, psmouse->dev->keybit);
set_bit(REL_WHEEL, psmouse->dev->relbit);
+ set_bit(REL_HWHEEL, psmouse->dev->relbit);
set_bit(BTN_SIDE, psmouse->dev->keybit);
set_bit(BTN_EXTRA, psmouse->dev->keybit);
{
struct ps2dev *ps2dev = &psmouse->ps2dev;
unsigned char param[2];
- unsigned char seq[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20, 0 };
+ static const unsigned char seq[] = { 20, 60, 40, 20, 20, 60, 40, 20, 20 };
int i;
param[0] = 10;
ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE);
param[0] = 0;
ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
- for (i = 0; seq[i]; i++)
- ps2_command(ps2dev, seq + i, PSMOUSE_CMD_SETRATE);
+ for (i = 0; i < ARRAY_SIZE(seq); i++) {
+ param[0] = seq[i];
+ ps2_command(ps2dev, param, PSMOUSE_CMD_SETRATE);
+ }
ps2_command(ps2dev, param, PSMOUSE_CMD_GETID);
if (param[0] != 2)
return PSMOUSE_PS2;
}
-static struct psmouse_protocol psmouse_protocols[] = {
+static const struct psmouse_protocol psmouse_protocols[] = {
{
.type = PSMOUSE_PS2,
.name = "PS/2",
},
};
-static struct psmouse_protocol *psmouse_protocol_by_type(enum psmouse_type type)
+static const struct psmouse_protocol *psmouse_protocol_by_type(enum psmouse_type type)
{
int i;
return &psmouse_protocols[0];
}
-static struct psmouse_protocol *psmouse_protocol_by_name(const char *name, size_t len)
+static const struct psmouse_protocol *psmouse_protocol_by_name(const char *name, size_t len)
{
- struct psmouse_protocol *p;
+ const struct psmouse_protocol *p;
int i;
for (i = 0; i < ARRAY_SIZE(psmouse_protocols); i++) {
void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution)
{
- unsigned char params[] = { 0, 1, 2, 2, 3 };
+ static const unsigned char params[] = { 0, 1, 2, 2, 3 };
+ unsigned char p;
if (resolution == 0 || resolution > 200)
resolution = 200;
- ps2_command(&psmouse->ps2dev, ¶ms[resolution / 50], PSMOUSE_CMD_SETRES);
- psmouse->resolution = 25 << params[resolution / 50];
+ p = params[resolution / 50];
+ ps2_command(&psmouse->ps2dev, &p, PSMOUSE_CMD_SETRES);
+ psmouse->resolution = 25 << p;
}
/*
static void psmouse_set_rate(struct psmouse *psmouse, unsigned int rate)
{
- unsigned char rates[] = { 200, 100, 80, 60, 40, 20, 10, 0 };
+ static const unsigned char rates[] = { 200, 100, 80, 60, 40, 20, 10, 0 };
+ unsigned char r;
int i = 0;
while (rates[i] > rate) i++;
- ps2_command(&psmouse->ps2dev, &rates[i], PSMOUSE_CMD_SETRATE);
- psmouse->rate = rates[i];
+ r = rates[i];
+ ps2_command(&psmouse->ps2dev, &r, PSMOUSE_CMD_SETRATE);
+ psmouse->rate = r;
}
/*
mutex_unlock(&psmouse_mutex);
}
-static int psmouse_switch_protocol(struct psmouse *psmouse, struct psmouse_protocol *proto)
+static int psmouse_switch_protocol(struct psmouse *psmouse, const struct psmouse_protocol *proto)
{
struct input_dev *input_dev = psmouse->dev;
if (psmouse->resync_time && psmouse->poll(psmouse))
psmouse->resync_time = 0;
- sprintf(psmouse->devname, "%s %s %s",
- psmouse_protocol_by_type(psmouse->type)->name, psmouse->vendor, psmouse->name);
+ snprintf(psmouse->devname, sizeof(psmouse->devname), "%s %s %s",
+ psmouse_protocol_by_type(psmouse->type)->name, psmouse->vendor, psmouse->name);
input_dev->name = psmouse->devname;
input_dev->phys = psmouse->phys;
ps2_init(&psmouse->ps2dev, serio);
INIT_WORK(&psmouse->resync_work, psmouse_resync, psmouse);
psmouse->dev = input_dev;
- sprintf(psmouse->phys, "%s/input0", serio->phys);
+ snprintf(psmouse->phys, sizeof(psmouse->phys), "%s/input0", serio->phys);
psmouse_set_state(psmouse, PSMOUSE_INITIALIZING);
struct serio *serio = psmouse->ps2dev.serio;
struct psmouse *parent = NULL;
struct input_dev *new_dev;
- struct psmouse_protocol *proto;
+ const struct psmouse_protocol *proto;
int retry = 0;
if (!(proto = psmouse_protocol_by_name(buf, count)))
static int psmouse_set_maxproto(const char *val, struct kernel_param *kp)
{
- struct psmouse_protocol *proto;
+ const struct psmouse_protocol *proto;
if (!val)
return -EINVAL;