patch-2.4.4 linux/drivers/char/joystick/gamecon.c
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- Lines: 303
- Date:
Wed Apr 11 19:02:30 2001
- Orig file:
v2.4.3/linux/drivers/char/joystick/gamecon.c
- Orig date:
Mon Aug 14 13:55:01 2000
diff -u --recursive --new-file v2.4.3/linux/drivers/char/joystick/gamecon.c linux/drivers/char/joystick/gamecon.c
@@ -1,11 +1,11 @@
/*
- * $Id: gamecon.c,v 1.5 2000/06/25 09:56:58 vojtech Exp $
+ * $Id: gamecon.c,v 1.11 2000/11/01 12:38:53 vojtech Exp $
*
* Copyright (c) 1999-2000 Vojtech Pavlik
*
* Based on the work of:
* Andree Borrmann John Dahlstrom
- * David Kuder
+ * David Kuder Nathan Hand
*
* Sponsored by SuSE
*/
@@ -75,8 +75,7 @@
static int gc_status_bit[] = { 0x40, 0x80, 0x20, 0x10, 0x08 };
static char *gc_names[] = { NULL, "SNES pad", "NES pad", "NES FourPort", "Multisystem joystick",
- "Multisystem 2-button joystick", "N64 controller", "PSX pad",
- "PSX NegCon", "PSX Analog contoller" };
+ "Multisystem 2-button joystick", "N64 controller", "PSX controller" };
/*
* N64 support.
*/
@@ -205,22 +204,30 @@
/*
* PSX support
- */
-
-#define GC_PSX_DELAY 10
-#define GC_PSX_LENGTH 8 /* talk to the controller in bytes */
+ *
+ * See documentation at:
+ * http://www.dim.com/~mackys/psxmemcard/ps-eng2.txt
+ * http://www.gamesx.com/controldata/psxcont/psxcont.htm
+ * ftp://milano.usal.es/pablo/
+ *
+ */
+
+#define GC_PSX_DELAY 60 /* 60 usec */
+#define GC_PSX_LENGTH 8 /* talk to the controller in bytes */
+
+#define GC_PSX_MOUSE 1 /* Mouse */
+#define GC_PSX_NEGCON 2 /* NegCon */
+#define GC_PSX_NORMAL 4 /* Digital / Analog or Rumble in Digital mode */
+#define GC_PSX_ANALOG 5 /* Analog in Analog mode / Rumble in Green mode */
+#define GC_PSX_RUMBLE 7 /* Rumble in Red mode */
+
+#define GC_PSX_CLOCK 0x04 /* Pin 4 */
+#define GC_PSX_COMMAND 0x01 /* Pin 1 */
+#define GC_PSX_POWER 0xf8 /* Pins 5-9 */
+#define GC_PSX_SELECT 0x02 /* Pin 3 */
-#define GC_PSX_MOUSE 0x12 /* PSX Mouse */
-#define GC_PSX_NEGCON 0x23 /* NegCon pad */
-#define GC_PSX_NORMAL 0x41 /* Standard Digital controller */
-#define GC_PSX_ANALOGR 0x73 /* Analog controller in Red mode */
-#define GC_PSX_ANALOGG 0x53 /* Analog controller in Green mode */
-
-#define GC_PSX_CLOCK 0x04 /* Pin 3 */
-#define GC_PSX_COMMAND 0x01 /* Pin 1 */
-#define GC_PSX_POWER 0xf8 /* Pins 5-9 */
-#define GC_PSX_SELECT 0x02 /* Pin 2 */
-#define GC_PSX_NOPOWER 0x04
+#define GC_PSX_ID(x) ((x) >> 4) /* High nibble is device type */
+#define GC_PSX_LEN(x) ((x) & 0xf) /* Low nibble is length in words */
static short gc_psx_abs[] = { ABS_X, ABS_Y, ABS_RX, ABS_RY, ABS_HAT0X, ABS_HAT0Y };
static short gc_psx_btn[] = { BTN_TL, BTN_TR, BTN_TL2, BTN_TR2, BTN_A, BTN_B, BTN_X, BTN_Y,
@@ -233,19 +240,17 @@
static int gc_psx_command(struct gc *gc, int b)
{
- int i, cmd, ret = 0;
+ int i, cmd, data = 0;
- cmd = (b & 1) ? GC_PSX_COMMAND : 0;
- for (i = 0; i < 8; i++) {
+ for (i = 0; i < 8; i++, b >>= 1) {
+ cmd = (b & 1) ? GC_PSX_COMMAND : 0;
parport_write_data(gc->pd->port, cmd | GC_PSX_POWER);
udelay(GC_PSX_DELAY);
- ret |= ((parport_read_status(gc->pd->port) ^ 0x80) & gc->pads[GC_PSX]) ? (1 << i) : 0;
- cmd = (b & 1) ? GC_PSX_COMMAND : 0;
+ data |= ((parport_read_status(gc->pd->port) ^ 0x80) & gc->pads[GC_PSX]) ? (1 << i) : 0;
parport_write_data(gc->pd->port, cmd | GC_PSX_CLOCK | GC_PSX_POWER);
udelay(GC_PSX_DELAY);
- b >>= 1;
}
- return ret;
+ return data;
}
/*
@@ -253,29 +258,31 @@
* device identifier code.
*/
-static int gc_psx_read_packet(struct gc *gc, int length, unsigned char *data)
+static int gc_psx_read_packet(struct gc *gc, unsigned char *data)
{
- int i, ret;
+ int i, id;
unsigned long flags;
+ parport_write_data(gc->pd->port, GC_PSX_CLOCK | GC_PSX_SELECT | GC_PSX_POWER); /* Select pad */
+ udelay(GC_PSX_DELAY * 2);
+ parport_write_data(gc->pd->port, GC_PSX_CLOCK | GC_PSX_POWER); /* Deselect, begin command */
+ udelay(GC_PSX_DELAY * 2);
+
__save_flags(flags);
__cli();
- parport_write_data(gc->pd->port, GC_PSX_POWER);
-
- parport_write_data(gc->pd->port, GC_PSX_CLOCK | GC_PSX_SELECT | GC_PSX_POWER); /* Select pad */
- udelay(GC_PSX_DELAY * 2);
gc_psx_command(gc, 0x01); /* Access pad */
- ret = gc_psx_command(gc, 0x42); /* Get device id */
- if (gc_psx_command(gc, 0) == 'Z') /* okay? */
- for (i = 0; i < length; i++)
+ id = gc_psx_command(gc, 0x42); /* Get device id */
+ if (gc_psx_command(gc, 0) == 0x5a) { /* Okay? */
+ for (i = 0; i < GC_PSX_LEN(id) * 2; i++)
data[i] = gc_psx_command(gc, 0);
- else ret = -1;
+ } else id = 0;
- parport_write_data(gc->pd->port, GC_PSX_SELECT | GC_PSX_CLOCK | GC_PSX_POWER);
__restore_flags(flags);
- return ret;
+ parport_write_data(gc->pd->port, GC_PSX_CLOCK | GC_PSX_SELECT | GC_PSX_POWER);
+
+ return GC_PSX_ID(id);
}
/*
@@ -316,8 +323,8 @@
input_report_abs(dev + i, ABS_X, axes[0]);
input_report_abs(dev + i, ABS_Y, -axes[1]);
- input_report_abs(dev + i, ABS_HAT0X, !!(s & data[7]) - !!(s & data[6]));
- input_report_abs(dev + i, ABS_HAT0Y, !!(s & data[5]) - !!(s & data[4]));
+ input_report_abs(dev + i, ABS_HAT0X, !(s & data[6]) - !(s & data[7]));
+ input_report_abs(dev + i, ABS_HAT0Y, !(s & data[4]) - !(s & data[5]));
for (j = 0; j < 10; j++)
input_report_key(dev + i, gc_n64_btn[j], s & data[gc_n64_bytes[j]]);
@@ -338,8 +345,8 @@
s = gc_status_bit[i];
if (s & (gc->pads[GC_NES] | gc->pads[GC_SNES])) {
- input_report_abs(dev + i, ABS_X, !!(s & data[7]) - !!(s & data[6]));
- input_report_abs(dev + i, ABS_Y, !!(s & data[5]) - !!(s & data[4]));
+ input_report_abs(dev + i, ABS_X, ! - !(s & data[6]) - !(s & data[7]));
+ input_report_abs(dev + i, ABS_Y, ! - !(s & data[4]) - !(s & data[5]));
}
if (s & gc->pads[GC_NES])
@@ -365,8 +372,8 @@
s = gc_status_bit[i];
if (s & (gc->pads[GC_MULTI] | gc->pads[GC_MULTI2])) {
- input_report_abs(dev + i, ABS_X, !!(s & data[3]) - !!(s & data[2]));
- input_report_abs(dev + i, ABS_Y, !!(s & data[1]) - !!(s & data[0]));
+ input_report_abs(dev + i, ABS_X, !(s & data[2]) - !(s & data[3]));
+ input_report_abs(dev + i, ABS_Y, !(s & data[0]) - !(s & data[1]));
input_report_key(dev + i, BTN_TRIGGER, s & data[4]);
}
@@ -385,37 +392,37 @@
if (gc->pads[GC_PSX] & gc_status_bit[i])
break;
- switch (gc_psx_read_packet(gc, 6, data)) {
+ switch (gc_psx_read_packet(gc, data)) {
+
+ case GC_PSX_RUMBLE:
+
+ input_report_key(dev + i, BTN_THUMB, ~data[0] & 0x04);
+ input_report_key(dev + i, BTN_THUMB2, ~data[0] & 0x02);
+
+ case GC_PSX_NEGCON:
+ case GC_PSX_ANALOG:
- case GC_PSX_ANALOGG:
-
for (j = 0; j < 4; j++)
input_report_abs(dev + i, gc_psx_abs[j], data[j + 2]);
- input_report_abs(dev + i, ABS_HAT0X, !!(data[0]&0x20) - !!(data[0]&0x80));
- input_report_abs(dev + i, ABS_HAT0Y, !!(data[0]&0x40) - !!(data[0]&0x10));
+ input_report_abs(dev + i, ABS_HAT0X, !(data[0] & 0x20) - !(data[0] & 0x80));
+ input_report_abs(dev + i, ABS_HAT0Y, !(data[0] & 0x40) - !(data[0] & 0x10));
for (j = 0; j < 8; j++)
- input_report_key(dev + i, gc_psx_btn[j], ~data[1] & (1 << i));
+ input_report_key(dev + i, gc_psx_btn[j], ~data[1] & (1 << j));
input_report_key(dev + i, BTN_START, ~data[0] & 0x08);
input_report_key(dev + i, BTN_SELECT, ~data[0] & 0x01);
break;
- case GC_PSX_ANALOGR:
-
- input_report_key(dev + i, BTN_THUMB, ~data[0] & 0x04);
- input_report_key(dev + i, BTN_THUMB2, ~data[0] & 0x02);
-
case GC_PSX_NORMAL:
- case GC_PSX_NEGCON:
- input_report_abs(dev + i, ABS_X, 128 + !!(data[0] & 0x20) * 127 - !!(data[0] & 0x80) * 128);
- input_report_abs(dev + i, ABS_Y, 128 + !!(data[0] & 0x40) * 127 - !!(data[0] & 0x10) * 128);
+ input_report_abs(dev + i, ABS_X, 128 + !(data[0] & 0x20) * 127 - !(data[0] & 0x80) * 128);
+ input_report_abs(dev + i, ABS_Y, 128 + !(data[0] & 0x40) * 127 - !(data[0] & 0x10) * 128);
for (j = 0; j < 8; j++)
- input_report_key(dev + i, gc_psx_btn[j], ~data[1] & (1 << i));
+ input_report_key(dev + i, gc_psx_btn[j], ~data[1] & (1 << j));
input_report_key(dev + i, BTN_START, ~data[0] & 0x08);
input_report_key(dev + i, BTN_SELECT, ~data[0] & 0x01);
@@ -448,14 +455,12 @@
}
}
-
-
static struct gc __init *gc_probe(int *config)
{
struct gc *gc;
struct parport *pp;
- int i, j, psx, pbtn;
- unsigned char data[2];
+ int i, j, psx;
+ unsigned char data[32];
if (config[0] < 0)
return NULL;
@@ -545,44 +550,42 @@
case GC_PSX:
- psx = gc_psx_read_packet(gc, 2, data);
+ psx = gc_psx_read_packet(gc, data);
switch(psx) {
case GC_PSX_NEGCON:
- config[i + 1] += 1;
case GC_PSX_NORMAL:
- pbtn = 10;
- break;
+ case GC_PSX_ANALOG:
+ case GC_PSX_RUMBLE:
- case GC_PSX_ANALOGG:
- case GC_PSX_ANALOGR:
- config[i + 1] += 2;
- pbtn = 12;
for (j = 0; j < 6; j++) {
psx = gc_psx_abs[j];
set_bit(psx, gc->dev[i].absbit);
- gc->dev[i].absmin[psx] = 4;
- gc->dev[i].absmax[psx] = 252;
- gc->dev[i].absflat[psx] = 2;
+ if (j < 4) {
+ gc->dev[i].absmin[psx] = 4;
+ gc->dev[i].absmax[psx] = 252;
+ gc->dev[i].absflat[psx] = 2;
+ } else {
+ gc->dev[i].absmin[psx] = -1;
+ gc->dev[i].absmax[psx] = 1;
+ }
}
+
+ for (j = 0; j < 12; j++)
+ set_bit(gc_psx_btn[j], gc->dev[i].keybit);
+
break;
- case -1:
+ case 0:
gc->pads[GC_PSX] &= ~gc_status_bit[i];
- pbtn = 0;
printk(KERN_ERR "gamecon.c: No PSX controller found.\n");
break;
default:
gc->pads[GC_PSX] &= ~gc_status_bit[i];
- pbtn = 0;
printk(KERN_WARNING "gamecon.c: Unsupported PSX controller %#x,"
" please report to <vojtech@suse.cz>.\n", psx);
}
-
- for (j = 0; j < pbtn; j++)
- set_bit(gc_psx_btn[j], gc->dev[i].keybit);
-
break;
}
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