#include <linux/input.h>
#include <linux/serio.h>
+#include <linux/libps2.h>
#include "psmouse.h"
#include "logips2pp.h"
* Process a PS2++ or PS2T++ packet.
*/
-void ps2pp_process_packet(struct psmouse *psmouse)
+static psmouse_ret_t ps2pp_process_byte(struct psmouse *psmouse, struct pt_regs *regs)
{
struct input_dev *dev = &psmouse->dev;
- unsigned char *packet = psmouse->packet;
+ unsigned char *packet = psmouse->packet;
+
+ if (psmouse->pktcnt < 3)
+ return PSMOUSE_GOOD_DATA;
+
+/*
+ * Full packet accumulated, process it
+ */
+
+ input_regs(dev, regs);
if ((packet[0] & 0x48) == 0x48 && (packet[1] & 0x02) == 0x02) {
+ /* Logitech extended packet */
switch ((packet[1] >> 4) | (packet[0] & 0x30)) {
case 0x0d: /* Mouse extra info */
(packet[1] >> 4) | (packet[0] & 0x30));
#endif
}
-
- packet[0] &= 0x0f;
- packet[1] = 0;
- packet[2] = 0;
+ } else {
+ /* Standard PS/2 motion data */
+ input_report_rel(dev, REL_X, packet[1] ? (int) packet[1] - (int) ((packet[0] << 4) & 0x100) : 0);
+ input_report_rel(dev, REL_Y, packet[2] ? (int) ((packet[0] << 3) & 0x100) - (int) packet[2] : 0);
}
+
+ input_report_key(dev, BTN_LEFT, packet[0] & 1);
+ input_report_key(dev, BTN_MIDDLE, (packet[0] >> 2) & 1);
+ input_report_key(dev, BTN_RIGHT, (packet[0] >> 1) & 1);
+
+ input_sync(dev);
+
+ return PSMOUSE_FULL_PACKET;
+
}
/*
if (psmouse_sliced_command(psmouse, command))
return -1;
- if (psmouse_command(psmouse, param, PSMOUSE_CMD_POLL))
+ if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_POLL))
return -1;
return 0;
* enabled if we do nothing to it. Of course I put this in because I want it
* disabled :P
* 1 - enabled (if previously disabled, also default)
- * 0/2 - disabled
+ * 0 - disabled
*/
-static void ps2pp_set_smartscroll(struct psmouse *psmouse)
+static void ps2pp_set_smartscroll(struct psmouse *psmouse, unsigned int smartscroll)
{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
unsigned char param[4];
+ if (smartscroll > 1)
+ smartscroll = 1;
+
ps2pp_cmd(psmouse, param, 0x32);
param[0] = 0;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
-
- if (psmouse_smartscroll < 2) {
- /* 0 - disabled, 1 - enabled */
- param[0] = psmouse_smartscroll;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
- }
+ ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
+ ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
+ ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
+
+ param[0] = smartscroll;
+ ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
}
+static ssize_t psmouse_attr_show_smartscroll(struct psmouse *psmouse, 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)
+{
+ unsigned long value;
+ char *rest;
+
+ value = simple_strtoul(buf, &rest, 10);
+ if (*rest || value > 1)
+ return -EINVAL;
+
+ ps2pp_set_smartscroll(psmouse, value);
+ psmouse->smartscroll = value;
+ return count;
+}
+
+PSMOUSE_DEFINE_ATTR(smartscroll);
+
/*
* Support 800 dpi resolution _only_ if the user wants it (there are good
* reasons to not use it even if the mouse supports it, and of course there are
* also good reasons to use it, let the user decide).
*/
-void ps2pp_set_800dpi(struct psmouse *psmouse)
+static void ps2pp_set_resolution(struct psmouse *psmouse, unsigned int resolution)
{
- unsigned char param = 3;
- psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
- psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
- psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
- psmouse_command(psmouse, ¶m, PSMOUSE_CMD_SETRES);
+ if (resolution > 400) {
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+ unsigned char param = 3;
+
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
+ ps2_command(ps2dev, ¶m, PSMOUSE_CMD_SETRES);
+ psmouse->resolution = 800;
+ } else
+ psmouse_set_resolution(psmouse, resolution);
+}
+
+static void ps2pp_disconnect(struct psmouse *psmouse)
+{
+ device_remove_file(&psmouse->ps2dev.serio->dev, &psmouse_attr_smartscroll);
}
static struct ps2pp_info *get_model_info(unsigned char model)
* Set up input device's properties based on the detected mouse model.
*/
-static void ps2pp_set_model_properties(struct psmouse *psmouse, struct ps2pp_info *model_info)
+static void ps2pp_set_model_properties(struct psmouse *psmouse, struct ps2pp_info *model_info,
+ int using_ps2pp)
{
if (model_info->features & PS2PP_SIDE_BTN)
set_bit(BTN_SIDE, psmouse->dev.keybit);
case PS2PP_KIND_TP3:
psmouse->name = "TouchPad 3";
break;
+
+ default:
+ /*
+ * Set name to "Mouse" only when using PS2++,
+ * otherwise let other protocols define suitable
+ * name
+ */
+ if (using_ps2pp)
+ psmouse->name = "Mouse";
+ break;
}
}
int ps2pp_init(struct psmouse *psmouse, int set_properties)
{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
unsigned char param[4];
- unsigned char protocol = PSMOUSE_PS2;
unsigned char model, buttons;
struct ps2pp_info *model_info;
+ int use_ps2pp = 0;
param[0] = 0;
- psmouse_command(psmouse, param, PSMOUSE_CMD_SETRES);
- psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
- psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
- psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11);
+ ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
+ ps2_command(ps2dev, NULL, PSMOUSE_CMD_SETSCALE11);
param[1] = 0;
- psmouse_command(psmouse, param, PSMOUSE_CMD_GETINFO);
+ ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO);
- if (param[1] != 0) {
- model = ((param[0] >> 4) & 0x07) | ((param[0] << 3) & 0x78);
- buttons = param[1];
- model_info = get_model_info(model);
+ if (!param[1])
+ return -1;
+
+ model = ((param[0] >> 4) & 0x07) | ((param[0] << 3) & 0x78);
+ buttons = param[1];
+
+ if ((model_info = get_model_info(model)) != NULL) {
/*
* Do Logitech PS2++ / PS2T++ magic init.
/* Unprotect RAM */
param[0] = 0x11; param[1] = 0x04; param[2] = 0x68;
- psmouse_command(psmouse, param, 0x30d1);
+ ps2_command(ps2dev, param, 0x30d1);
/* Enable features */
param[0] = 0x11; param[1] = 0x05; param[2] = 0x0b;
- psmouse_command(psmouse, param, 0x30d1);
+ ps2_command(ps2dev, param, 0x30d1);
/* Enable PS2++ */
param[0] = 0x11; param[1] = 0x09; param[2] = 0xc3;
- psmouse_command(psmouse, param, 0x30d1);
+ ps2_command(ps2dev, param, 0x30d1);
param[0] = 0;
- if (!psmouse_command(psmouse, param, 0x13d1) &&
+ if (!ps2_command(ps2dev, param, 0x13d1) &&
param[0] == 0x06 && param[1] == 0x00 && param[2] == 0x14) {
- protocol = PSMOUSE_PS2TPP;
+ use_ps2pp = 1;
}
- } else if (model_info != NULL) {
+ } else {
param[0] = param[1] = param[2] = 0;
ps2pp_cmd(psmouse, param, 0x39); /* Magic knock */
if ((param[0] & 0x78) == 0x48 &&
(param[1] & 0xf3) == 0xc2 &&
(param[2] & 0x03) == ((param[1] >> 2) & 3)) {
- ps2pp_set_smartscroll(psmouse);
- protocol = PSMOUSE_PS2PP;
+ ps2pp_set_smartscroll(psmouse, psmouse->smartscroll);
+ use_ps2pp = 1;
}
}
+ }
- if (set_properties) {
- psmouse->vendor = "Logitech";
- psmouse->model = model;
+ if (set_properties) {
+ psmouse->vendor = "Logitech";
+ psmouse->model = model;
- if (buttons < 3)
- clear_bit(BTN_MIDDLE, psmouse->dev.keybit);
- if (buttons < 2)
- clear_bit(BTN_RIGHT, psmouse->dev.keybit);
+ if (use_ps2pp) {
+ psmouse->protocol_handler = ps2pp_process_byte;
+ psmouse->pktsize = 3;
- if (model_info)
- ps2pp_set_model_properties(psmouse, model_info);
+ if (model_info->kind != PS2PP_KIND_TP3) {
+ psmouse->set_resolution = ps2pp_set_resolution;
+ psmouse->disconnect = ps2pp_disconnect;
+
+ device_create_file(&psmouse->ps2dev.serio->dev, &psmouse_attr_smartscroll);
+ }
}
+
+ if (buttons < 3)
+ clear_bit(BTN_MIDDLE, psmouse->dev.keybit);
+ if (buttons < 2)
+ clear_bit(BTN_RIGHT, psmouse->dev.keybit);
+
+ if (model_info)
+ ps2pp_set_model_properties(psmouse, model_info, use_ps2pp);
}
- return protocol;
+ return use_ps2pp ? 0 : -1;
}