#include <linux/input.h>
#include <linux/serio.h>
+#include <linux/libps2.h>
#include "psmouse.h"
#include "logips2pp.h"
+/* Logitech mouse types */
+#define PS2PP_KIND_WHEEL 1
+#define PS2PP_KIND_MX 2
+#define PS2PP_KIND_TP3 3
+#define PS2PP_KIND_TRACKMAN 4
+
+/* Logitech mouse features */
+#define PS2PP_WHEEL 0x01
+#define PS2PP_HWHEEL 0x02
+#define PS2PP_SIDE_BTN 0x04
+#define PS2PP_EXTRA_BTN 0x08
+#define PS2PP_TASK_BTN 0x10
+#define PS2PP_NAV_BTN 0x20
+
+struct ps2pp_info {
+ const int model;
+ unsigned const int kind;
+ unsigned const int features;
+};
+
/*
* 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;
+ struct input_dev *dev = psmouse->dev;
+ 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
}
+ } 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);
+ }
- packet[0] &= 0x0f;
- packet[1] = 0;
- 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;
- }
}
/*
static int ps2pp_cmd(struct psmouse *psmouse, unsigned char *param, unsigned char command)
{
- unsigned char d;
- int i;
-
- if (psmouse_command(psmouse, NULL, PSMOUSE_CMD_SETSCALE11))
+ if (psmouse_sliced_command(psmouse, command))
return -1;
- for (i = 6; i >= 0; i -= 2) {
- d = (command >> i) & 3;
- if(psmouse_command(psmouse, &d, PSMOUSE_CMD_SETRES))
- return -1;
- }
-
- if (psmouse_command(psmouse, param, PSMOUSE_CMD_POLL))
+ if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_POLL | 0x0300))
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 == 1)
- param[0] = 1;
- else
- if (psmouse_smartscroll > 2)
- return;
-
- /* else leave param[0] == 0 to disable */
- 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 ps2pp_attr_show_smartscroll(struct psmouse *psmouse, void *data, char *buf)
+{
+ return sprintf(buf, "%d\n", psmouse->smartscroll ? 1 : 0);
+}
+
+static ssize_t ps2pp_attr_set_smartscroll(struct psmouse *psmouse, void *data, 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, 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
* 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);
}
-/*
- * Detect the exact model and features of a PS2++ or PS2T++ Logitech mouse or
- * touchpad.
- */
+static void ps2pp_disconnect(struct psmouse *psmouse)
+{
+ device_remove_file(&psmouse->ps2dev.serio->dev, &psmouse_attr_smartscroll.dattr);
+}
-static int ps2pp_detect_model(struct psmouse *psmouse, unsigned char *param)
+static struct ps2pp_info *get_model_info(unsigned char model)
{
- int i;
- static struct _logips2_list {
- const int model;
- unsigned const int features;
- } logips2pp_list [] = {
- { 12, PS2PP_4BTN},
- { 13, 0 },
- { 40, PS2PP_4BTN },
- { 41, PS2PP_4BTN },
- { 42, PS2PP_4BTN },
- { 43, PS2PP_4BTN },
- { 50, 0 },
- { 51, 0 },
- { 52, PS2PP_4BTN | PS2PP_WHEEL },
- { 53, PS2PP_WHEEL },
- { 61, PS2PP_WHEEL | PS2PP_MX }, /* MX700 */
- { 73, PS2PP_4BTN },
- { 75, PS2PP_WHEEL },
- { 76, PS2PP_WHEEL },
- { 80, PS2PP_4BTN | PS2PP_WHEEL },
- { 81, PS2PP_WHEEL },
- { 83, PS2PP_WHEEL },
- { 88, PS2PP_WHEEL },
- { 96, 0 },
- { 97, 0 },
- { 100 , PS2PP_WHEEL | PS2PP_MX }, /* MX510 */
- { 112 , PS2PP_WHEEL | PS2PP_MX }, /* MX500 */
- { 114 , PS2PP_WHEEL | PS2PP_MX | PS2PP_MX310 }, /* MX310 */
+ static struct ps2pp_info ps2pp_list[] = {
+ { 12, 0, PS2PP_SIDE_BTN},
+ { 13, 0, 0 },
+ { 15, PS2PP_KIND_MX, /* MX1000 */
+ PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN |
+ PS2PP_EXTRA_BTN | PS2PP_NAV_BTN | PS2PP_HWHEEL },
+ { 40, 0, PS2PP_SIDE_BTN },
+ { 41, 0, PS2PP_SIDE_BTN },
+ { 42, 0, PS2PP_SIDE_BTN },
+ { 43, 0, PS2PP_SIDE_BTN },
+ { 50, 0, 0 },
+ { 51, 0, 0 },
+ { 52, PS2PP_KIND_WHEEL, PS2PP_SIDE_BTN | PS2PP_WHEEL },
+ { 53, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
+ { 61, PS2PP_KIND_MX, /* MX700 */
+ PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN |
+ PS2PP_EXTRA_BTN | PS2PP_NAV_BTN },
+ { 66, PS2PP_KIND_MX, /* MX3100 reciver */
+ PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN |
+ PS2PP_EXTRA_BTN | PS2PP_NAV_BTN | PS2PP_HWHEEL },
+ { 73, 0, PS2PP_SIDE_BTN },
+ { 75, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
+ { 76, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
+ { 79, PS2PP_KIND_TRACKMAN, PS2PP_WHEEL }, /* TrackMan with wheel */
+ { 80, PS2PP_KIND_WHEEL, PS2PP_SIDE_BTN | PS2PP_WHEEL },
+ { 81, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
+ { 83, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
+ { 85, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
+ { 86, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
+ { 87, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
+ { 88, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
+ { 96, 0, 0 },
+ { 97, PS2PP_KIND_TP3, PS2PP_WHEEL | PS2PP_HWHEEL },
+ { 99, PS2PP_KIND_WHEEL, PS2PP_WHEEL },
+ { 100, PS2PP_KIND_MX, /* MX510 */
+ PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN |
+ PS2PP_EXTRA_BTN | PS2PP_NAV_BTN },
+ { 111, PS2PP_KIND_MX, /* MX300 */
+ PS2PP_WHEEL | PS2PP_EXTRA_BTN | PS2PP_TASK_BTN },
+ { 112, PS2PP_KIND_MX, /* MX500 */
+ PS2PP_WHEEL | PS2PP_SIDE_BTN | PS2PP_TASK_BTN |
+ PS2PP_EXTRA_BTN | PS2PP_NAV_BTN },
+ { 114, PS2PP_KIND_MX, /* MX310 */
+ PS2PP_WHEEL | PS2PP_SIDE_BTN |
+ PS2PP_TASK_BTN | PS2PP_EXTRA_BTN },
{ }
};
+ int i;
- psmouse->vendor = "Logitech";
- psmouse->model = ((param[0] >> 4) & 0x07) | ((param[0] << 3) & 0x78);
+ for (i = 0; ps2pp_list[i].model; i++)
+ if (model == ps2pp_list[i].model)
+ return &ps2pp_list[i];
- if (param[1] < 3)
- clear_bit(BTN_MIDDLE, psmouse->dev.keybit);
- if (param[1] < 2)
- clear_bit(BTN_RIGHT, psmouse->dev.keybit);
+ printk(KERN_WARNING "logips2pp: Detected unknown logitech mouse model %d\n", model);
+ return NULL;
+}
- psmouse->type = PSMOUSE_PS2;
+/*
+ * Set up input device's properties based on the detected mouse model.
+ */
- for (i = 0; logips2pp_list[i].model; i++){
- if (logips2pp_list[i].model == psmouse->model){
- psmouse->type = PSMOUSE_PS2PP;
- if (logips2pp_list[i].features & PS2PP_4BTN)
- set_bit(BTN_SIDE, psmouse->dev.keybit);
+static void ps2pp_set_model_properties(struct psmouse *psmouse, struct ps2pp_info *model_info,
+ int using_ps2pp)
+{
+ struct input_dev *input_dev = psmouse->dev;
- if (logips2pp_list[i].features & PS2PP_WHEEL){
- set_bit(REL_WHEEL, psmouse->dev.relbit);
- psmouse->name = "Wheel Mouse";
- }
- if (logips2pp_list[i].features & PS2PP_MX) {
- set_bit(BTN_SIDE, psmouse->dev.keybit);
- set_bit(BTN_EXTRA, psmouse->dev.keybit);
- set_bit(BTN_TASK, psmouse->dev.keybit);
- if (!(logips2pp_list[i].features & PS2PP_MX310)){
- set_bit(BTN_BACK, psmouse->dev.keybit);
- set_bit(BTN_FORWARD, psmouse->dev.keybit);
- }
- psmouse->name = "MX Mouse";
- }
+ if (model_info->features & PS2PP_SIDE_BTN)
+ set_bit(BTN_SIDE, input_dev->keybit);
+
+ if (model_info->features & PS2PP_EXTRA_BTN)
+ set_bit(BTN_EXTRA, input_dev->keybit);
+
+ if (model_info->features & PS2PP_TASK_BTN)
+ set_bit(BTN_TASK, input_dev->keybit);
+
+ if (model_info->features & PS2PP_NAV_BTN) {
+ set_bit(BTN_FORWARD, input_dev->keybit);
+ set_bit(BTN_BACK, input_dev->keybit);
+ }
+
+ if (model_info->features & PS2PP_WHEEL)
+ set_bit(REL_WHEEL, input_dev->relbit);
+
+ if (model_info->features & PS2PP_HWHEEL)
+ set_bit(REL_HWHEEL, input_dev->relbit);
+
+ switch (model_info->kind) {
+ case PS2PP_KIND_WHEEL:
+ psmouse->name = "Wheel Mouse";
+ break;
+
+ case PS2PP_KIND_MX:
+ psmouse->name = "MX Mouse";
+ break;
+
+ case PS2PP_KIND_TP3:
+ psmouse->name = "TouchPad 3";
+ break;
+
+ case PS2PP_KIND_TRACKMAN:
+ psmouse->name = "TrackMan";
+ break;
+
+ default:
+ /*
+ * Set name to "Mouse" only when using PS2++,
+ * otherwise let other protocols define suitable
+ * name
+ */
+ if (using_ps2pp)
+ psmouse->name = "Mouse";
break;
- }
}
+}
+
+
/*
- * Do Logitech PS2++ / PS2T++ magic init.
+ * Logitech magic init. Detect whether the mouse is a Logitech one
+ * and its exact model and try turning on extended protocol for ones
+ * that support it.
*/
- if (psmouse->type == PSMOUSE_PS2PP) {
- if (psmouse->model == 97) { /* TouchPad 3 */
+int ps2pp_init(struct psmouse *psmouse, int set_properties)
+{
+ struct ps2dev *ps2dev = &psmouse->ps2dev;
+ unsigned char param[4];
+ unsigned char model, buttons;
+ struct ps2pp_info *model_info;
+ int use_ps2pp = 0;
- set_bit(REL_WHEEL, psmouse->dev.relbit);
- set_bit(REL_HWHEEL, psmouse->dev.relbit);
+ param[0] = 0;
+ 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;
+ ps2_command(ps2dev, param, PSMOUSE_CMD_GETINFO);
- param[0] = 0x11; param[1] = 0x04; param[2] = 0x68; /* Unprotect RAM */
- psmouse_command(psmouse, param, 0x30d1);
- param[0] = 0x11; param[1] = 0x05; param[2] = 0x0b; /* Enable features */
- psmouse_command(psmouse, param, 0x30d1);
- param[0] = 0x11; param[1] = 0x09; param[2] = 0xc3; /* Enable PS2++ */
- psmouse_command(psmouse, param, 0x30d1);
+ 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.
+ */
+ if (model == 97) { /* Touch Pad 3 */
+
+ /* Unprotect RAM */
+ param[0] = 0x11; param[1] = 0x04; param[2] = 0x68;
+ ps2_command(ps2dev, param, 0x30d1);
+ /* Enable features */
+ param[0] = 0x11; param[1] = 0x05; param[2] = 0x0b;
+ ps2_command(ps2dev, param, 0x30d1);
+ /* Enable PS2++ */
+ param[0] = 0x11; param[1] = 0x09; param[2] = 0xc3;
+ ps2_command(ps2dev, param, 0x30d1);
param[0] = 0;
- if (!psmouse_command(psmouse, param, 0x13d1) &&
- param[0] == 0x06 && param[1] == 0x00 && param[2] == 0x14) {
- psmouse->name = "TouchPad 3";
- return PSMOUSE_PS2TPP;
+ if (!ps2_command(ps2dev, param, 0x13d1) &&
+ param[0] == 0x06 && param[1] == 0x00 && param[2] == 0x14) {
+ use_ps2pp = 1;
}
} else {
ps2pp_cmd(psmouse, param, 0x39); /* Magic knock */
ps2pp_cmd(psmouse, param, 0xDB);
- if ((param[0] & 0x78) == 0x48 && (param[1] & 0xf3) == 0xc2 &&
- (param[2] & 3) == ((param[1] >> 2) & 3)) {
- ps2pp_set_smartscroll(psmouse);
- return PSMOUSE_PS2PP;
+ if ((param[0] & 0x78) == 0x48 &&
+ (param[1] & 0xf3) == 0xc2 &&
+ (param[2] & 0x03) == ((param[1] >> 2) & 3)) {
+ ps2pp_set_smartscroll(psmouse, psmouse->smartscroll);
+ use_ps2pp = 1;
}
}
}
- return 0;
-}
+ if (set_properties) {
+ psmouse->vendor = "Logitech";
+ psmouse->model = model;
-/*
- * Logitech magic init.
- */
-int ps2pp_detect(struct psmouse *psmouse)
-{
- unsigned char param[4];
+ if (use_ps2pp) {
+ psmouse->protocol_handler = ps2pp_process_byte;
+ psmouse->pktsize = 3;
- 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);
- param[1] = 0;
- psmouse_command(psmouse, param, PSMOUSE_CMD_GETINFO);
+ 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.dattr);
+ }
+ }
+
+ if (buttons < 3)
+ clear_bit(BTN_MIDDLE, psmouse->dev->keybit);
+
+ if (model_info)
+ ps2pp_set_model_properties(psmouse, model_info, use_ps2pp);
+ }
- return param[1] != 0 ? ps2pp_detect_model(psmouse, param) : 0;
+ return use_ps2pp ? 0 : -1;
}