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Commit 7443bce4 authored by Vojtech Pavlik's avatar Vojtech Pavlik Committed by Vojtech Pavlik
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db9.c: 

  input: Fix Sega Saturn pad support.
parent 782daf4c
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Showing with 269 additions and 44 deletions
drivers/input/joystick/db9.c
View file @ 7443bce4
...@@ -55,7 +55,9 @@ MODULE_PARM(db9_3, "2i"); ...@@ -55,7 +55,9 @@ MODULE_PARM(db9_3, "2i");
#define DB9_MULTI_0802 0x08 #define DB9_MULTI_0802 0x08
#define DB9_MULTI_0802_2 0x09 #define DB9_MULTI_0802_2 0x09
#define DB9_CD32_PAD 0x0A #define DB9_CD32_PAD 0x0A
#define DB9_MAX_PAD 0x0B #define DB9_SATURN_DPP 0x0B
#define DB9_SATURN_DPP_2 0x0C
#define DB9_MAX_PAD 0x0D
#define DB9_UP 0x01 #define DB9_UP 0x01
#define DB9_DOWN 0x02 #define DB9_DOWN 0x02
...@@ -69,10 +71,7 @@ MODULE_PARM(db9_3, "2i"); ...@@ -69,10 +71,7 @@ MODULE_PARM(db9_3, "2i");
#define DB9_NORMAL 0x0a #define DB9_NORMAL 0x0a
#define DB9_NOSELECT 0x08 #define DB9_NOSELECT 0x08
#define DB9_SATURN0 0x00 #define DB9_MAX_DEVICES 2
#define DB9_SATURN1 0x02
#define DB9_SATURN2 0x04
#define DB9_SATURN3 0x06
#define DB9_GENESIS6_DELAY 14 #define DB9_GENESIS6_DELAY 14
#define DB9_REFRESH_TIME HZ/100 #define DB9_REFRESH_TIME HZ/100
...@@ -82,7 +81,7 @@ static int db9_2[] __initdata = { -1, 0 }; ...@@ -82,7 +81,7 @@ static int db9_2[] __initdata = { -1, 0 };
static int db9_3[] __initdata = { -1, 0 }; static int db9_3[] __initdata = { -1, 0 };
struct db9 { struct db9 {
struct input_dev dev[2]; struct input_dev dev[DB9_MAX_DEVICES];
struct timer_list timer; struct timer_list timer;
struct pardevice *pd; struct pardevice *pd;
int mode; int mode;
...@@ -96,12 +95,247 @@ static short db9_multi_btn[] = { BTN_TRIGGER, BTN_THUMB }; ...@@ -96,12 +95,247 @@ static short db9_multi_btn[] = { BTN_TRIGGER, BTN_THUMB };
static short db9_genesis_btn[] = { BTN_START, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_MODE }; static short db9_genesis_btn[] = { BTN_START, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_MODE };
static short db9_cd32_btn[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_START }; static short db9_cd32_btn[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_START };
static char db9_buttons[DB9_MAX_PAD] = { 0, 1, 2, 4, 0, 6, 8, 8, 1, 1, 7 }; static char db9_buttons[DB9_MAX_PAD] = { 0, 1, 2, 4, 0, 6, 8, 9, 1, 1, 7, 9, 9 };
static short *db9_btn[DB9_MAX_PAD] = { NULL, db9_multi_btn, db9_multi_btn, db9_genesis_btn, NULL, db9_genesis_btn, static short *db9_btn[DB9_MAX_PAD] = { NULL, db9_multi_btn, db9_multi_btn, db9_genesis_btn, NULL, db9_genesis_btn,
db9_genesis_btn, db9_cd32_btn, db9_multi_btn, db9_multi_btn, db9_cd32_btn }; db9_genesis_btn, db9_cd32_btn, db9_multi_btn, db9_multi_btn, db9_cd32_btn,
db9_cd32_btn, db9_cd32_btn };
static char *db9_name[DB9_MAX_PAD] = { NULL, "Multisystem joystick", "Multisystem joystick (2 fire)", "Genesis pad", static char *db9_name[DB9_MAX_PAD] = { NULL, "Multisystem joystick", "Multisystem joystick (2 fire)", "Genesis pad",
NULL, "Genesis 5 pad", "Genesis 6 pad", "Saturn pad", "Multisystem (0.8.0.2) joystick", NULL, "Genesis 5 pad", "Genesis 6 pad", "Saturn pad", "Multisystem (0.8.0.2) joystick",
"Multisystem (0.8.0.2-dual) joystick", "Amiga CD-32 pad" }; "Multisystem (0.8.0.2-dual) joystick", "Amiga CD-32 pad", "Saturn dpp", "Saturn dpp dual" };
static const int db9_max_pads[DB9_MAX_PAD] = { 0, 1, 1, 1, 0, 1, 1, 6, 1, 2, 1, 6, 12 };
static const int db9_num_axis[DB9_MAX_PAD] = { 0, 2, 2, 2, 0, 2, 2, 7, 2, 2, 2 ,7, 7 };
static const short db9_abs[] = { ABS_X, ABS_Y, ABS_RX, ABS_RY, ABS_RZ, ABS_Z, ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X, ABS_HAT1Y };
static const int db9_bidirectional[DB9_MAX_PAD] = { 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 0 };
static const int db9_reverse[DB9_MAX_PAD] = { 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0 };
/*
* Saturn controllers
*/
#define DB9_SATURN_DELAY 300
static const int db9_saturn_byte[] = { 1, 1, 1, 2, 2, 2, 2, 2, 1 };
static const unsigned char db9_saturn_mask[] = { 0x04, 0x01, 0x02, 0x40, 0x20, 0x10, 0x08, 0x80, 0x08 };
/*
* db9_saturn_write_sub() writes 2 bit data.
*/
static void db9_saturn_write_sub(struct parport *port, int type, unsigned char data, int powered, int pwr_sub)
{
unsigned char c;
switch (type) {
case 1: /* DPP1 */
c = 0x80 | 0x30 | (powered ? 0x08 : 0) | (pwr_sub ? 0x04 : 0) | data;
parport_write_data(port, c);
break;
case 2: /* DPP2 */
c = 0x40 | data << 4 | (powered ? 0x08 : 0) | (pwr_sub ? 0x04 : 0) | 0x03;
parport_write_data(port, c);
break;
case 0: /* DB9 */
c = ((((data & 2) ? 2 : 0) | ((data & 1) ? 4 : 0)) ^ 0x02) | !powered;
parport_write_control(port, c);
break;
}
}
/*
* gc_saturn_read_sub() reads 4 bit data.
*/
static unsigned char db9_saturn_read_sub(struct parport *port, int type)
{
unsigned char data;
if (type) {
/* DPP */
data = parport_read_status(port) ^ 0x80;
return (data & 0x80 ? 1 : 0) | (data & 0x40 ? 2 : 0)
| (data & 0x20 ? 4 : 0) | (data & 0x10 ? 8 : 0);
} else {
/* DB9 */
data = parport_read_data(port) & 0x0f;
return (data & 0x8 ? 1 : 0) | (data & 0x4 ? 2 : 0)
| (data & 0x2 ? 4 : 0) | (data & 0x1 ? 8 : 0);
}
}
/*
* db9_saturn_read_analog() sends clock and reads 8 bit data.
*/
static unsigned char db9_saturn_read_analog(struct parport *port, int type, int powered)
{
unsigned char data;
db9_saturn_write_sub(port, type, 0, powered, 0);
udelay(DB9_SATURN_DELAY);
data = db9_saturn_read_sub(port, type) << 4;
db9_saturn_write_sub(port, type, 2, powered, 0);
udelay(DB9_SATURN_DELAY);
data |= db9_saturn_read_sub(port, type);
return data;
}
/*
* db9_saturn_read_packet() reads whole saturn packet at connector
* and returns device identifier code.
*/
static unsigned char db9_saturn_read_packet(struct parport *port, unsigned char *data, int type, int powered)
{
int i, j;
unsigned char tmp;
db9_saturn_write_sub(port, type, 3, powered, 0);
data[0] = db9_saturn_read_sub(port, type);
switch (data[0] & 0x0f) {
case 0xf:
/* 1111 no pad */
return data[0] = 0xff;
case 0x4: case 0x4 | 0x8:
/* ?100 : digital controller */
db9_saturn_write_sub(port, type, 0, powered, 1);
data[2] = db9_saturn_read_sub(port, type) << 4;
db9_saturn_write_sub(port, type, 2, powered, 1);
data[1] = db9_saturn_read_sub(port, type) << 4;
db9_saturn_write_sub(port, type, 1, powered, 1);
data[1] |= db9_saturn_read_sub(port, type);
db9_saturn_write_sub(port, type, 3, powered, 1);
/* data[2] |= db9_saturn_read_sub(port, type); */
data[2] |= data[0];
return data[0] = 0x02;
case 0x1:
/* 0001 : analog controller or multitap */
db9_saturn_write_sub(port, type, 2, powered, 0);
udelay(DB9_SATURN_DELAY);
data[0] = db9_saturn_read_analog(port, type, powered);
if (data[0] != 0x41) {
/* read analog controller */
for (i = 0; i < (data[0] & 0x0f); i++)
data[i + 1] = db9_saturn_read_analog(port, type, powered);
db9_saturn_write_sub(port, type, 3, powered, 0);
return data[0];
} else {
/* read multitap */
if (db9_saturn_read_analog(port, type, powered) != 0x60)
return data[0] = 0xff;
for (i = 0; i < 60; i += 10) {
data[i] = db9_saturn_read_analog(port, type, powered);
if (data[i] != 0xff)
/* read each pad */
for (j = 0; j < (data[i] & 0x0f); j++)
data[i + j + 1] = db9_saturn_read_analog(port, type, powered);
}
db9_saturn_write_sub(port, type, 3, powered, 0);
return 0x41;
}
case 0x0:
/* 0000 : mouse */
db9_saturn_write_sub(port, type, 2, powered, 0);
udelay(DB9_SATURN_DELAY);
tmp = db9_saturn_read_analog(port, type, powered);
if (tmp == 0xff) {
for (i = 0; i < 3; i++)
data[i + 1] = db9_saturn_read_analog(port, type, powered);
db9_saturn_write_sub(port, type, 3, powered, 0);
return data[0] = 0xe3;
}
default:
return data[0];
}
}
/*
* db9_saturn_report() analyzes packet and reports.
*/
static int db9_saturn_report(unsigned char id, unsigned char data[60], struct input_dev *dev, int n, int max_pads)
{
int tmp, i, j;
tmp = (id == 0x41) ? 60 : 10;
for (j = 0; (j < tmp) && (n < max_pads); j += 10, n++) {
switch (data[j]) {
case 0x16: /* multi controller (analog 4 axis) */
input_report_abs(dev + n, db9_abs[5], data[j + 6]);
case 0x15: /* mission stick (analog 3 axis) */
input_report_abs(dev + n, db9_abs[3], data[j + 4]);
input_report_abs(dev + n, db9_abs[4], data[j + 5]);
case 0x13: /* racing controller (analog 1 axis) */
input_report_abs(dev + n, db9_abs[2], data[j + 3]);
case 0x34: /* saturn keyboard (udlr ZXC ASD QE Esc) */
case 0x02: /* digital pad (digital 2 axis + buttons) */
input_report_abs(dev + n, db9_abs[0], !(data[j + 1] & 128) - !(data[j + 1] & 64));
input_report_abs(dev + n, db9_abs[1], !(data[j + 1] & 32) - !(data[j + 1] & 16));
for (i = 0; i < 9; i++)
input_report_key(dev + n, db9_cd32_btn[i], ~data[j + db9_saturn_byte[i]] & db9_saturn_mask[i]);
break;
case 0x19: /* mission stick x2 (analog 6 axis + buttons) */
input_report_abs(dev + n, db9_abs[0], !(data[j + 1] & 128) - !(data[j + 1] & 64));
input_report_abs(dev + n, db9_abs[1], !(data[j + 1] & 32) - !(data[j + 1] & 16));
for (i = 0; i < 9; i++)
input_report_key(dev + n, db9_cd32_btn[i], ~data[j + db9_saturn_byte[i]] & db9_saturn_mask[i]);
input_report_abs(dev + n, db9_abs[2], data[j + 3]);
input_report_abs(dev + n, db9_abs[3], data[j + 4]);
input_report_abs(dev + n, db9_abs[4], data[j + 5]);
/*
input_report_abs(dev + n, db9_abs[8], (data[j + 6] & 128 ? 0 : 1) - (data[j + 6] & 64 ? 0 : 1));
input_report_abs(dev + n, db9_abs[9], (data[j + 6] & 32 ? 0 : 1) - (data[j + 6] & 16 ? 0 : 1));
*/
input_report_abs(dev + n, db9_abs[6], data[j + 7]);
input_report_abs(dev + n, db9_abs[7], data[j + 8]);
input_report_abs(dev + n, db9_abs[5], data[j + 9]);
break;
case 0xd3: /* sankyo ff (analog 1 axis + stop btn) */
input_report_key(dev + n, BTN_A, data[j + 3] & 0x80);
input_report_abs(dev + n, db9_abs[2], data[j + 3] & 0x7f);
break;
case 0xe3: /* shuttle mouse (analog 2 axis + buttons. signed value) */
input_report_key(dev + n, BTN_START, data[j + 1] & 0x08);
input_report_key(dev + n, BTN_A, data[j + 1] & 0x04);
input_report_key(dev + n, BTN_C, data[j + 1] & 0x02);
input_report_key(dev + n, BTN_B, data[j + 1] & 0x01);
input_report_abs(dev + n, db9_abs[2], data[j + 2] ^ 0x80);
input_report_abs(dev + n, db9_abs[3], (0xff-(data[j + 3] ^ 0x80))+1); /* */
break;
case 0xff:
default: /* no pad */
input_report_abs(dev + n, db9_abs[0], 0);
input_report_abs(dev + n, db9_abs[1], 0);
for (i = 0; i < 9; i++)
input_report_key(dev + n, db9_cd32_btn[i], 0);
break;
}
}
return n;
}
static int db9_saturn(int mode, struct parport *port, struct input_dev *dev)
{
unsigned char id, data[60];
int type, n, max_pads;
int tmp, i;
switch (mode) {
case DB9_SATURN_PAD:
type = 0;
n = 1;
break;
case DB9_SATURN_DPP:
type = 1;
n = 1;
break;
case DB9_SATURN_DPP_2:
type = 1;
n = 2;
break;
default:
return -1;
}
max_pads = min(db9_max_pads[mode], DB9_MAX_DEVICES);
for (tmp = 0, i = 0; i < n; i++) {
id = db9_saturn_read_packet(port, data, type + i, 1);
tmp = db9_saturn_report(id, data, dev, tmp, max_pads);
}
return 0;
}
static void db9_timer(unsigned long private) static void db9_timer(unsigned long private)
{ {
...@@ -222,28 +456,10 @@ static void db9_timer(unsigned long private) ...@@ -222,28 +456,10 @@ static void db9_timer(unsigned long private)
break; break;
case DB9_SATURN_PAD: case DB9_SATURN_PAD:
case DB9_SATURN_DPP:
case DB9_SATURN_DPP_2:
parport_write_control(port, DB9_SATURN0); db9_saturn(db9->mode, port, dev);
data = parport_read_data(port);
input_report_key(dev, BTN_Y, ~data & DB9_LEFT);
input_report_key(dev, BTN_Z, ~data & DB9_DOWN);
input_report_key(dev, BTN_TL, ~data & DB9_UP);
input_report_key(dev, BTN_TR, ~data & DB9_RIGHT);
parport_write_control(port, DB9_SATURN2);
data = parport_read_data(port);
input_report_abs(dev, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1));
input_report_abs(dev, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1));
parport_write_control(port, DB9_NORMAL);
data = parport_read_data(port);
input_report_key(dev, BTN_A, ~data & DB9_LEFT);
input_report_key(dev, BTN_B, ~data & DB9_UP);
input_report_key(dev, BTN_C, ~data & DB9_DOWN);
input_report_key(dev, BTN_X, ~data & DB9_RIGHT);
break; break;
case DB9_CD32_PAD: case DB9_CD32_PAD:
...@@ -279,8 +495,10 @@ static int db9_open(struct input_dev *dev) ...@@ -279,8 +495,10 @@ static int db9_open(struct input_dev *dev)
if (!db9->used++) { if (!db9->used++) {
parport_claim(db9->pd); parport_claim(db9->pd);
parport_write_data(port, 0xff); parport_write_data(port, 0xff);
if (db9_reverse[db9->mode]) {
parport_data_reverse(port); parport_data_reverse(port);
parport_write_control(port, DB9_NORMAL); parport_write_control(port, DB9_NORMAL);
}
mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME); mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME);
} }
...@@ -321,10 +539,12 @@ static struct db9 __init *db9_probe(int *config) ...@@ -321,10 +539,12 @@ static struct db9 __init *db9_probe(int *config)
return NULL; return NULL;
} }
if (!(pp->modes & PARPORT_MODE_TRISTATE) && config[1] != DB9_MULTI_0802) { if (db9_bidirectional[config[1]]) {
if (!(pp->modes & PARPORT_MODE_TRISTATE)) {
printk(KERN_ERR "db9.c: specified parport is not bidirectional\n"); printk(KERN_ERR "db9.c: specified parport is not bidirectional\n");
return NULL; return NULL;
} }
}
if (!(db9 = kmalloc(sizeof(struct db9), GFP_KERNEL))) if (!(db9 = kmalloc(sizeof(struct db9), GFP_KERNEL)))
return NULL; return NULL;
...@@ -343,7 +563,7 @@ static struct db9 __init *db9_probe(int *config) ...@@ -343,7 +563,7 @@ static struct db9 __init *db9_probe(int *config)
return NULL; return NULL;
} }
for (i = 0; i < 1 + (db9->mode == DB9_MULTI_0802_2); i++) { for (i = 0; i < (min(db9_max_pads[db9->mode], DB9_MAX_DEVICES)); i++) {
sprintf(db9->phys[i], "%s/input%d", db9->pd->port->name, i); sprintf(db9->phys[i], "%s/input%d", db9->pd->port->name, i);
...@@ -359,14 +579,19 @@ static struct db9 __init *db9_probe(int *config) ...@@ -359,14 +579,19 @@ static struct db9 __init *db9_probe(int *config)
db9->dev[i].id.version = 0x0100; db9->dev[i].id.version = 0x0100;
db9->dev[i].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS); db9->dev[i].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
db9->dev[i].absbit[0] = BIT(ABS_X) | BIT(ABS_Y);
for (j = 0; j < db9_buttons[db9->mode]; j++) for (j = 0; j < db9_buttons[db9->mode]; j++)
set_bit(db9_btn[db9->mode][j], db9->dev[i].keybit); set_bit(db9_btn[db9->mode][j], db9->dev[i].keybit);
for (j = 0; j < db9_num_axis[db9->mode]; j++) {
db9->dev[i].absmin[ABS_X] = -1; db9->dev[i].absmax[ABS_X] = 1; set_bit(db9_abs[j], db9->dev[i].absbit);
db9->dev[i].absmin[ABS_Y] = -1; db9->dev[i].absmax[ABS_Y] = 1; if (j < 2) {
db9->dev[i].absmin[db9_abs[j]] = -1;
db9->dev[i].absmax[db9_abs[j]] = 1;
} else {
db9->dev[i].absmin[db9_abs[j]] = 1;
db9->dev[i].absmax[db9_abs[j]] = 255;
db9->dev[i].absflat[db9_abs[j]] = 0;
}
}
input_register_device(db9->dev + i); input_register_device(db9->dev + i);
printk(KERN_INFO "input: %s on %s\n", db9->dev[i].name, db9->pd->port->name); printk(KERN_INFO "input: %s on %s\n", db9->dev[i].name, db9->pd->port->name);
} }
...@@ -419,7 +644,7 @@ void __exit db9_exit(void) ...@@ -419,7 +644,7 @@ void __exit db9_exit(void)
for (i = 0; i < 3; i++) for (i = 0; i < 3; i++)
if (db9_base[i]) { if (db9_base[i]) {
for (j = 0; j < 1 + (db9_base[i]->mode == DB9_MULTI_0802_2); j++) for (j = 0; j < min(db9_max_pads[db9_base[i]->mode], DB9_MAX_DEVICES); j++)
input_unregister_device(db9_base[i]->dev + j); input_unregister_device(db9_base[i]->dev + j);
parport_unregister_device(db9_base[i]->pd); parport_unregister_device(db9_base[i]->pd);
} }
......
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