vserver 1.9.5.x5
[linux-2.6.git] / drivers / input / mouse / logips2pp.c
index 6af1455..9c8f659 100644 (file)
@@ -11,6 +11,7 @@
 
 #include <linux/input.h>
 #include <linux/serio.h>
+#include <linux/libps2.h>
 #include "psmouse.h"
 #include "logips2pp.h"
 
@@ -37,13 +38,23 @@ struct ps2pp_info {
  * 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 */
@@ -78,11 +89,20 @@ void ps2pp_process_packet(struct psmouse *psmouse)
                                        (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;
+
 }
 
 /*
@@ -97,7 +117,7 @@ static int ps2pp_cmd(struct psmouse *psmouse, unsigned char *param, unsigned cha
        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;
@@ -108,40 +128,73 @@ static int ps2pp_cmd(struct psmouse *psmouse, unsigned char *param, unsigned cha
  * 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, &param, 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, &param, 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)
@@ -192,7 +245,8 @@ 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);
@@ -226,6 +280,16 @@ static void ps2pp_set_model_properties(struct psmouse *psmouse, struct ps2pp_inf
                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;
        }
 }
 
@@ -238,23 +302,27 @@ static void ps2pp_set_model_properties(struct psmouse *psmouse, struct ps2pp_inf
 
 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.
@@ -263,21 +331,21 @@ int ps2pp_init(struct psmouse *psmouse, int set_properties)
 
                        /* 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 */
@@ -286,25 +354,37 @@ int ps2pp_init(struct psmouse *psmouse, int set_properties)
                        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;
 }