X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Finput%2Fjoystick%2Fdb9.c;h=5080e15c6d30c6dca5a1f40fc28c419843cbdf3b;hb=refs%2Fheads%2Fvserver;hp=cfdd3acf06a1cbb4a2584ca697ff6ca518a19643;hpb=f7f1b0f1e2fbadeab12d24236000e778aa9b1ead;p=linux-2.6.git diff --git a/drivers/input/joystick/db9.c b/drivers/input/joystick/db9.c index cfdd3acf0..5080e15c6 100644 --- a/drivers/input/joystick/db9.c +++ b/drivers/input/joystick/db9.c @@ -38,30 +38,34 @@ #include #include #include +#include MODULE_AUTHOR("Vojtech Pavlik "); MODULE_DESCRIPTION("Atari, Amstrad, Commodore, Amiga, Sega, etc. joystick driver"); MODULE_LICENSE("GPL"); -static int db9[] __initdata = { -1, 0 }; -static int db9_nargs __initdata = 0; -module_param_array_named(dev, db9, int, &db9_nargs, 0); -MODULE_PARM_DESC(dev, "Describes first attached device (,)"); +struct db9_config { + int args[2]; + int nargs; +}; -static int db9_2[] __initdata = { -1, 0 }; -static int db9_nargs_2 __initdata = 0; -module_param_array_named(dev2, db9_2, int, &db9_nargs_2, 0); -MODULE_PARM_DESC(dev2, "Describes second attached device (,)"); +#define DB9_MAX_PORTS 3 +static struct db9_config db9[DB9_MAX_PORTS] __initdata; -static int db9_3[] __initdata = { -1, 0 }; -static int db9_nargs_3 __initdata = 0; -module_param_array_named(dev3, db9_3, int, &db9_nargs_3, 0); +module_param_array_named(dev, db9[0].args, int, &db9[0].nargs, 0); +MODULE_PARM_DESC(dev, "Describes first attached device (,)"); +module_param_array_named(dev2, db9[1].args, int, &db9[0].nargs, 0); +MODULE_PARM_DESC(dev2, "Describes second attached device (,)"); +module_param_array_named(dev3, db9[2].args, int, &db9[2].nargs, 0); MODULE_PARM_DESC(dev3, "Describes third attached device (,)"); __obsolete_setup("db9="); __obsolete_setup("db9_2="); __obsolete_setup("db9_3="); +#define DB9_ARG_PARPORT 0 +#define DB9_ARG_MODE 1 + #define DB9_MULTI_STICK 0x01 #define DB9_MULTI2_STICK 0x02 #define DB9_GENESIS_PAD 0x03 @@ -87,39 +91,53 @@ __obsolete_setup("db9_3="); #define DB9_NORMAL 0x0a #define DB9_NOSELECT 0x08 -#define DB9_MAX_DEVICES 2 - #define DB9_GENESIS6_DELAY 14 #define DB9_REFRESH_TIME HZ/100 +#define DB9_MAX_DEVICES 2 + +struct db9_mode_data { + const char *name; + const short *buttons; + int n_buttons; + int n_pads; + int n_axis; + int bidirectional; + int reverse; +}; + struct db9 { - struct input_dev dev[DB9_MAX_DEVICES]; + struct input_dev *dev[DB9_MAX_DEVICES]; struct timer_list timer; struct pardevice *pd; int mode; int used; - char phys[2][32]; + struct mutex mutex; + char phys[DB9_MAX_DEVICES][32]; }; static struct db9 *db9_base[3]; -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_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, 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, - 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", - 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", "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_multi_btn[] = { BTN_TRIGGER, BTN_THUMB }; +static const short db9_genesis_btn[] = { BTN_START, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_MODE }; +static const short db9_cd32_btn[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_START }; 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 }; + +static const struct db9_mode_data db9_modes[] = { + { NULL, NULL, 0, 0, 0, 0, 0 }, + { "Multisystem joystick", db9_multi_btn, 1, 1, 2, 1, 1 }, + { "Multisystem joystick (2 fire)", db9_multi_btn, 2, 1, 2, 1, 1 }, + { "Genesis pad", db9_genesis_btn, 4, 1, 2, 1, 1 }, + { NULL, NULL, 0, 0, 0, 0, 0 }, + { "Genesis 5 pad", db9_genesis_btn, 6, 1, 2, 1, 1 }, + { "Genesis 6 pad", db9_genesis_btn, 8, 1, 2, 1, 1 }, + { "Saturn pad", db9_cd32_btn, 9, 6, 7, 0, 1 }, + { "Multisystem (0.8.0.2) joystick", db9_multi_btn, 1, 1, 2, 1, 1 }, + { "Multisystem (0.8.0.2-dual) joystick", db9_multi_btn, 1, 2, 2, 1, 1 }, + { "Amiga CD-32 pad", db9_cd32_btn, 7, 1, 2, 1, 1 }, + { "Saturn dpp", db9_cd32_btn, 9, 6, 7, 0, 0 }, + { "Saturn dpp dual", db9_cd32_btn, 9, 12, 7, 0, 0 }, +}; /* * Saturn controllers @@ -258,68 +276,70 @@ static unsigned char db9_saturn_read_packet(struct parport *port, unsigned char /* * 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) +static int db9_saturn_report(unsigned char id, unsigned char data[60], struct input_dev *devs[], int n, int max_pads) { + struct input_dev *dev; int tmp, i, j; tmp = (id == 0x41) ? 60 : 10; - for (j = 0; (j < tmp) && (n < max_pads); j += 10, n++) { + for (j = 0; j < tmp && n < max_pads; j += 10, n++) { + dev = devs[n]; switch (data[j]) { case 0x16: /* multi controller (analog 4 axis) */ - input_report_abs(dev + n, db9_abs[5], data[j + 6]); + input_report_abs(dev, 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]); + input_report_abs(dev, db9_abs[3], data[j + 4]); + input_report_abs(dev, db9_abs[4], data[j + 5]); case 0x13: /* racing controller (analog 1 axis) */ - input_report_abs(dev + n, db9_abs[2], data[j + 3]); + input_report_abs(dev, 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)); + input_report_abs(dev, db9_abs[0], !(data[j + 1] & 128) - !(data[j + 1] & 64)); + input_report_abs(dev, 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_key(dev, 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)); + input_report_abs(dev, db9_abs[0], !(data[j + 1] & 128) - !(data[j + 1] & 64)); + input_report_abs(dev, 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_key(dev, db9_cd32_btn[i], ~data[j + db9_saturn_byte[i]] & db9_saturn_mask[i]); + input_report_abs(dev, db9_abs[2], data[j + 3]); + input_report_abs(dev, db9_abs[3], data[j + 4]); + input_report_abs(dev, 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, db9_abs[8], (data[j + 6] & 128 ? 0 : 1) - (data[j + 6] & 64 ? 0 : 1)); + input_report_abs(dev, 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]); + input_report_abs(dev, db9_abs[6], data[j + 7]); + input_report_abs(dev, db9_abs[7], data[j + 8]); + input_report_abs(dev, 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); + input_report_key(dev, BTN_A, data[j + 3] & 0x80); + input_report_abs(dev, 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); /* */ + input_report_key(dev, BTN_START, data[j + 1] & 0x08); + input_report_key(dev, BTN_A, data[j + 1] & 0x04); + input_report_key(dev, BTN_C, data[j + 1] & 0x02); + input_report_key(dev, BTN_B, data[j + 1] & 0x01); + input_report_abs(dev, db9_abs[2], data[j + 2] ^ 0x80); + input_report_abs(dev, 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); + input_report_abs(dev, db9_abs[0], 0); + input_report_abs(dev, db9_abs[1], 0); for (i = 0; i < 9; i++) - input_report_key(dev + n, db9_cd32_btn[i], 0); + input_report_key(dev, db9_cd32_btn[i], 0); break; } } return n; } -static int db9_saturn(int mode, struct parport *port, struct input_dev *dev) +static int db9_saturn(int mode, struct parport *port, struct input_dev *devs[]) { unsigned char id, data[60]; int type, n, max_pads; @@ -341,10 +361,10 @@ static int db9_saturn(int mode, struct parport *port, struct input_dev *dev) default: return -1; } - max_pads = min(db9_max_pads[mode], DB9_MAX_DEVICES); + max_pads = min(db9_modes[mode].n_pads, 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); + tmp = db9_saturn_report(id, data, devs, tmp, max_pads); } return 0; } @@ -353,17 +373,18 @@ static void db9_timer(unsigned long private) { struct db9 *db9 = (void *) private; struct parport *port = db9->pd->port; - struct input_dev *dev = db9->dev; + struct input_dev *dev = db9->dev[0]; + struct input_dev *dev2 = db9->dev[1]; int data, i; - switch(db9->mode) { + switch (db9->mode) { case DB9_MULTI_0802_2: data = parport_read_data(port) >> 3; - input_report_abs(dev + 1, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); - input_report_abs(dev + 1, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); - input_report_key(dev + 1, BTN_TRIGGER, ~data & DB9_FIRE1); + input_report_abs(dev2, ABS_X, (data & DB9_RIGHT ? 0 : 1) - (data & DB9_LEFT ? 0 : 1)); + input_report_abs(dev2, ABS_Y, (data & DB9_DOWN ? 0 : 1) - (data & DB9_UP ? 0 : 1)); + input_report_key(dev2, BTN_TRIGGER, ~data & DB9_FIRE1); case DB9_MULTI_0802: @@ -404,7 +425,7 @@ static void db9_timer(unsigned long private) input_report_key(dev, BTN_C, ~data & DB9_FIRE2); parport_write_control(port, DB9_NORMAL); - data=parport_read_data(port); + data = parport_read_data(port); input_report_key(dev, BTN_A, ~data & DB9_FIRE1); input_report_key(dev, BTN_START, ~data & DB9_FIRE2); @@ -413,7 +434,7 @@ static void db9_timer(unsigned long private) case DB9_GENESIS5_PAD: parport_write_control(port, DB9_NOSELECT); - data=parport_read_data(port); + 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)); @@ -421,7 +442,7 @@ static void db9_timer(unsigned long private) input_report_key(dev, BTN_C, ~data & DB9_FIRE2); parport_write_control(port, DB9_NORMAL); - data=parport_read_data(port); + data = parport_read_data(port); input_report_key(dev, BTN_A, ~data & DB9_FIRE1); input_report_key(dev, BTN_X, ~data & DB9_FIRE2); @@ -433,7 +454,7 @@ static void db9_timer(unsigned long private) parport_write_control(port, DB9_NOSELECT); /* 1 */ udelay(DB9_GENESIS6_DELAY); - data=parport_read_data(port); + 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)); @@ -442,7 +463,7 @@ static void db9_timer(unsigned long private) parport_write_control(port, DB9_NORMAL); udelay(DB9_GENESIS6_DELAY); - data=parport_read_data(port); + data = parport_read_data(port); input_report_key(dev, BTN_A, ~data & DB9_FIRE1); input_report_key(dev, BTN_START, ~data & DB9_FIRE2); @@ -471,12 +492,12 @@ static void db9_timer(unsigned long private) case DB9_SATURN_DPP: case DB9_SATURN_DPP_2: - db9_saturn(db9->mode, port, dev); + db9_saturn(db9->mode, port, db9->dev); break; case DB9_CD32_PAD: - data=parport_read_data(port); + 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)); @@ -488,7 +509,7 @@ static void db9_timer(unsigned long private) parport_write_control(port, 0x02); parport_write_control(port, 0x0a); input_report_key(dev, db9_cd32_btn[i], ~data & DB9_FIRE2); - } + } parport_write_control(port, 0x00); break; @@ -503,17 +524,23 @@ static int db9_open(struct input_dev *dev) { struct db9 *db9 = dev->private; struct parport *port = db9->pd->port; + int err; + + err = mutex_lock_interruptible(&db9->mutex); + if (err) + return err; if (!db9->used++) { parport_claim(db9->pd); parport_write_data(port, 0xff); - if (db9_reverse[db9->mode]) { + if (db9_modes[db9->mode].reverse) { parport_data_reverse(port); parport_write_control(port, DB9_NORMAL); } mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME); } + mutex_unlock(&db9->mutex); return 0; } @@ -522,125 +549,176 @@ static void db9_close(struct input_dev *dev) struct db9 *db9 = dev->private; struct parport *port = db9->pd->port; + mutex_lock(&db9->mutex); if (!--db9->used) { - del_timer(&db9->timer); + del_timer_sync(&db9->timer); parport_write_control(port, 0x00); parport_data_forward(port); parport_release(db9->pd); } + mutex_unlock(&db9->mutex); } -static struct db9 __init *db9_probe(int *config, int nargs) +static struct db9 __init *db9_probe(int parport, int mode) { struct db9 *db9; + const struct db9_mode_data *db9_mode; struct parport *pp; + struct pardevice *pd; + struct input_dev *input_dev; int i, j; + int err; - if (config[0] < 0) - return NULL; - - if (nargs < 2) { - printk(KERN_ERR "db9.c: Device type must be specified.\n"); - return NULL; + if (mode < 1 || mode >= DB9_MAX_PAD || !db9_modes[mode].n_buttons) { + printk(KERN_ERR "db9.c: Bad device type %d\n", mode); + err = -EINVAL; + goto err_out; } - if (config[1] < 1 || config[1] >= DB9_MAX_PAD || !db9_buttons[config[1]]) { - printk(KERN_ERR "db9.c: bad config\n"); - return NULL; - } + db9_mode = &db9_modes[mode]; - pp = parport_find_number(config[0]); + pp = parport_find_number(parport); if (!pp) { printk(KERN_ERR "db9.c: no such parport\n"); - return NULL; + err = -ENODEV; + goto err_out; } - if (db9_bidirectional[config[1]]) { - if (!(pp->modes & PARPORT_MODE_TRISTATE)) { - printk(KERN_ERR "db9.c: specified parport is not bidirectional\n"); - parport_put_port(pp); - return NULL; - } + if (db9_mode->bidirectional && !(pp->modes & PARPORT_MODE_TRISTATE)) { + printk(KERN_ERR "db9.c: specified parport is not bidirectional\n"); + err = -EINVAL; + goto err_put_pp; + } + + pd = parport_register_device(pp, "db9", NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL); + if (!pd) { + printk(KERN_ERR "db9.c: parport busy already - lp.o loaded?\n"); + err = -EBUSY; + goto err_put_pp; } - if (!(db9 = kmalloc(sizeof(struct db9), GFP_KERNEL))) { - parport_put_port(pp); - return NULL; + db9 = kzalloc(sizeof(struct db9), GFP_KERNEL); + if (!db9) { + printk(KERN_ERR "db9.c: Not enough memory\n"); + err = -ENOMEM; + goto err_unreg_pardev; } - memset(db9, 0, sizeof(struct db9)); - db9->mode = config[1]; + mutex_init(&db9->mutex); + db9->pd = pd; + db9->mode = mode; init_timer(&db9->timer); db9->timer.data = (long) db9; db9->timer.function = db9_timer; - db9->pd = parport_register_device(pp, "db9", NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL); - parport_put_port(pp); + for (i = 0; i < (min(db9_mode->n_pads, DB9_MAX_DEVICES)); i++) { - if (!db9->pd) { - printk(KERN_ERR "db9.c: parport busy already - lp.o loaded?\n"); - kfree(db9); - return NULL; - } + db9->dev[i] = input_dev = input_allocate_device(); + if (!input_dev) { + printk(KERN_ERR "db9.c: Not enough memory for input device\n"); + err = -ENOMEM; + goto err_unreg_devs; + } - 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); - - db9->dev[i].private = db9; - db9->dev[i].open = db9_open; - db9->dev[i].close = db9_close; - - db9->dev[i].name = db9_name[db9->mode]; - db9->dev[i].phys = db9->phys[i]; - db9->dev[i].id.bustype = BUS_PARPORT; - db9->dev[i].id.vendor = 0x0002; - db9->dev[i].id.product = config[1]; - db9->dev[i].id.version = 0x0100; - - db9->dev[i].evbit[0] = BIT(EV_KEY) | BIT(EV_ABS); - for (j = 0; j < db9_buttons[db9->mode]; j++) - set_bit(db9_btn[db9->mode][j], db9->dev[i].keybit); - for (j = 0; j < db9_num_axis[db9->mode]; j++) { - set_bit(db9_abs[j], db9->dev[i].absbit); - 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; - } + snprintf(db9->phys[i], sizeof(db9->phys[i]), + "%s/input%d", db9->pd->port->name, i); + + input_dev->name = db9_mode->name; + input_dev->phys = db9->phys[i]; + input_dev->id.bustype = BUS_PARPORT; + input_dev->id.vendor = 0x0002; + input_dev->id.product = mode; + input_dev->id.version = 0x0100; + input_dev->private = db9; + + input_dev->open = db9_open; + input_dev->close = db9_close; + + input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS); + for (j = 0; j < db9_mode->n_buttons; j++) + set_bit(db9_mode->buttons[j], input_dev->keybit); + for (j = 0; j < db9_mode->n_axis; j++) { + if (j < 2) + input_set_abs_params(input_dev, db9_abs[j], -1, 1, 0, 0); + else + input_set_abs_params(input_dev, db9_abs[j], 1, 255, 0, 0); } - input_register_device(db9->dev + i); - printk(KERN_INFO "input: %s on %s\n", db9->dev[i].name, db9->pd->port->name); + + err = input_register_device(input_dev); + if (err) + goto err_free_dev; } + parport_put_port(pp); return db9; + + err_free_dev: + input_free_device(db9->dev[i]); + err_unreg_devs: + while (--i >= 0) + input_unregister_device(db9->dev[i]); + kfree(db9); + err_unreg_pardev: + parport_unregister_device(pd); + err_put_pp: + parport_put_port(pp); + err_out: + return ERR_PTR(err); +} + +static void db9_remove(struct db9 *db9) +{ + int i; + + for (i = 0; i < min(db9_modes[db9->mode].n_pads, DB9_MAX_DEVICES); i++) + input_unregister_device(db9->dev[i]); + parport_unregister_device(db9->pd); + kfree(db9); } static int __init db9_init(void) { - db9_base[0] = db9_probe(db9, db9_nargs); - db9_base[1] = db9_probe(db9_2, db9_nargs_2); - db9_base[2] = db9_probe(db9_3, db9_nargs_3); + int i; + int have_dev = 0; + int err = 0; + + for (i = 0; i < DB9_MAX_PORTS; i++) { + if (db9[i].nargs == 0 || db9[i].args[DB9_ARG_PARPORT] < 0) + continue; - if (db9_base[0] || db9_base[1] || db9_base[2]) - return 0; + if (db9[i].nargs < 2) { + printk(KERN_ERR "db9.c: Device type must be specified.\n"); + err = -EINVAL; + break; + } - return -ENODEV; + db9_base[i] = db9_probe(db9[i].args[DB9_ARG_PARPORT], + db9[i].args[DB9_ARG_MODE]); + if (IS_ERR(db9_base[i])) { + err = PTR_ERR(db9_base[i]); + break; + } + + have_dev = 1; + } + + if (err) { + while (--i >= 0) + if (db9_base[i]) + db9_remove(db9_base[i]); + return err; + } + + return have_dev ? 0 : -ENODEV; } static void __exit db9_exit(void) { - int i, j; + int i; - for (i = 0; i < 3; i++) - if (db9_base[i]) { - for (j = 0; j < min(db9_max_pads[db9_base[i]->mode], DB9_MAX_DEVICES); j++) - input_unregister_device(db9_base[i]->dev + j); - parport_unregister_device(db9_base[i]->pd); - } + for (i = 0; i < DB9_MAX_PORTS; i++) + if (db9_base[i]) + db9_remove(db9_base[i]); } module_init(db9_init);