diff options
Diffstat (limited to 'drivers/input/joystick')
34 files changed, 12768 insertions, 0 deletions
diff --git a/drivers/input/joystick/Kconfig b/drivers/input/joystick/Kconfig new file mode 100644 index 0000000..be5c14a --- /dev/null +++ b/drivers/input/joystick/Kconfig @@ -0,0 +1,297 @@ +# +# Joystick driver configuration +# +menuconfig INPUT_JOYSTICK + bool "Joysticks/Gamepads" + help + If you have a joystick, 6dof controller, gamepad, steering wheel, + weapon control system or something like that you can say Y here + and the list of supported devices will be displayed. This option + doesn't affect the kernel. + + Please read the file <file:Documentation/input/joystick.txt> which + contains more information. + +if INPUT_JOYSTICK + +config JOYSTICK_ANALOG + tristate "Classic PC analog joysticks and gamepads" + select GAMEPORT + ---help--- + Say Y here if you have a joystick that connects to the PC + gameport. In addition to the usual PC analog joystick, this driver + supports many extensions, including joysticks with throttle control, + with rudders, additional hats and buttons compatible with CH + Flightstick Pro, ThrustMaster FCS, 6 and 8 button gamepads, or + Saitek Cyborg joysticks. + + Please read the file <file:Documentation/input/joystick.txt> which + contains more information. + + To compile this driver as a module, choose M here: the + module will be called analog. + +config JOYSTICK_A3D + tristate "Assassin 3D and MadCatz Panther devices" + select GAMEPORT + help + Say Y here if you have an FPGaming or MadCatz controller using the + A3D protocol over the PC gameport. + + To compile this driver as a module, choose M here: the + module will be called a3d. + +config JOYSTICK_ADI + tristate "Logitech ADI digital joysticks and gamepads" + select GAMEPORT + help + Say Y here if you have a Logitech controller using the ADI + protocol over the PC gameport. + + To compile this driver as a module, choose M here: the + module will be called adi. + +config JOYSTICK_COBRA + tristate "Creative Labs Blaster Cobra gamepad" + select GAMEPORT + help + Say Y here if you have a Creative Labs Blaster Cobra gamepad. + + To compile this driver as a module, choose M here: the + module will be called cobra. + +config JOYSTICK_GF2K + tristate "Genius Flight2000 Digital joysticks and gamepads" + select GAMEPORT + help + Say Y here if you have a Genius Flight2000 or MaxFighter digitally + communicating joystick or gamepad. + + To compile this driver as a module, choose M here: the + module will be called gf2k. + +config JOYSTICK_GRIP + tristate "Gravis GrIP joysticks and gamepads" + select GAMEPORT + help + Say Y here if you have a Gravis controller using the GrIP protocol + over the PC gameport. + + To compile this driver as a module, choose M here: the + module will be called grip. + +config JOYSTICK_GRIP_MP + tristate "Gravis GrIP MultiPort" + select GAMEPORT + help + Say Y here if you have the original Gravis GrIP MultiPort, a hub + that connects to the gameport and you connect gamepads to it. + + To compile this driver as a module, choose M here: the + module will be called grip_mp. + +config JOYSTICK_GUILLEMOT + tristate "Guillemot joysticks and gamepads" + select GAMEPORT + help + Say Y here if you have a Guillemot joystick using a digital + protocol over the PC gameport. + + To compile this driver as a module, choose M here: the + module will be called guillemot. + +config JOYSTICK_INTERACT + tristate "InterAct digital joysticks and gamepads" + select GAMEPORT + help + Say Y here if you have an InterAct gameport or joystick + communicating digitally over the gameport. + + To compile this driver as a module, choose M here: the + module will be called interact. + +config JOYSTICK_SIDEWINDER + tristate "Microsoft SideWinder digital joysticks and gamepads" + select GAMEPORT + help + Say Y here if you have a Microsoft controller using the Digital + Overdrive protocol over PC gameport. + + To compile this driver as a module, choose M here: the + module will be called sidewinder. + +config JOYSTICK_TMDC + tristate "ThrustMaster DirectConnect joysticks and gamepads" + select GAMEPORT + help + Say Y here if you have a ThrustMaster controller using the + DirectConnect (BSP) protocol over the PC gameport. + + To compile this driver as a module, choose M here: the + module will be called tmdc. + +source "drivers/input/joystick/iforce/Kconfig" + +config JOYSTICK_WARRIOR + tristate "Logitech WingMan Warrior joystick" + select SERIO + help + Say Y here if you have a Logitech WingMan Warrior joystick connected + to your computer's serial port. + + To compile this driver as a module, choose M here: the + module will be called warrior. + +config JOYSTICK_MAGELLAN + tristate "LogiCad3d Magellan/SpaceMouse 6dof controllers" + select SERIO + help + Say Y here if you have a Magellan or Space Mouse 6DOF controller + connected to your computer's serial port. + + To compile this driver as a module, choose M here: the + module will be called magellan. + +config JOYSTICK_SPACEORB + tristate "SpaceTec SpaceOrb/Avenger 6dof controllers" + select SERIO + help + Say Y here if you have a SpaceOrb 360 or SpaceBall Avenger 6DOF + controller connected to your computer's serial port. + + To compile this driver as a module, choose M here: the + module will be called spaceorb. + +config JOYSTICK_SPACEBALL + tristate "SpaceTec SpaceBall 6dof controllers" + select SERIO + help + Say Y here if you have a SpaceTec SpaceBall 2003/3003/4000 FLX + controller connected to your computer's serial port. For the + SpaceBall 4000 USB model, use the USB HID driver. + + To compile this driver as a module, choose M here: the + module will be called spaceball. + +config JOYSTICK_STINGER + tristate "Gravis Stinger gamepad" + select SERIO + help + Say Y here if you have a Gravis Stinger connected to one of your + serial ports. + + To compile this driver as a module, choose M here: the + module will be called stinger. + +config JOYSTICK_TWIDJOY + tristate "Twiddler as a joystick" + select SERIO + help + Say Y here if you have a Handykey Twiddler connected to your + computer's serial port and want to use it as a joystick. + + To compile this driver as a module, choose M here: the + module will be called twidjoy. + +config JOYSTICK_ZHENHUA + tristate "5-byte Zhenhua RC transmitter" + select SERIO + help + Say Y here if you have a Zhen Hua PPM-4CH transmitter which is + supplied with a ready to fly micro electric indoor helicopters + such as EasyCopter, Lama, MiniCopter, DragonFly or Jabo and want + to use it via serial cable as a joystick. + + To compile this driver as a module, choose M here: the + module will be called zhenhua. + +config JOYSTICK_DB9 + tristate "Multisystem, Sega Genesis, Saturn joysticks and gamepads" + depends on PARPORT + help + Say Y here if you have a Sega Master System gamepad, Sega Genesis + gamepad, Sega Saturn gamepad, or a Multisystem -- Atari, Amiga, + Commodore, Amstrad CPC joystick connected to your parallel port. + For more information on how to use the driver please read + <file:Documentation/input/joystick-parport.txt>. + + To compile this driver as a module, choose M here: the + module will be called db9. + +config JOYSTICK_GAMECON + tristate "Multisystem, NES, SNES, N64, PSX joysticks and gamepads" + depends on PARPORT + ---help--- + Say Y here if you have a Nintendo Entertainment System gamepad, + Super Nintendo Entertainment System gamepad, Nintendo 64 gamepad, + Sony PlayStation gamepad or a Multisystem -- Atari, Amiga, + Commodore, Amstrad CPC joystick connected to your parallel port. + For more information on how to use the driver please read + <file:Documentation/input/joystick-parport.txt>. + + To compile this driver as a module, choose M here: the + module will be called gamecon. + +config JOYSTICK_TURBOGRAFX + tristate "Multisystem joysticks via TurboGraFX device" + depends on PARPORT + help + Say Y here if you have the TurboGraFX interface by Steffen Schwenke, + and want to use it with Multisystem -- Atari, Amiga, Commodore, + Amstrad CPC joystick. For more information on how to use the driver + please read <file:Documentation/input/joystick-parport.txt>. + + To compile this driver as a module, choose M here: the + module will be called turbografx. + +config JOYSTICK_AMIGA + tristate "Amiga joysticks" + depends on AMIGA + help + Say Y here if you have an Amiga with a digital joystick connected + to it. + + To compile this driver as a module, choose M here: the + module will be called amijoy. + +config JOYSTICK_JOYDUMP + tristate "Gameport data dumper" + select GAMEPORT + help + Say Y here if you want to dump data from your joystick into the system + log for debugging purposes. Say N if you are making a production + configuration or aren't sure. + + To compile this driver as a module, choose M here: the + module will be called joydump. + +config JOYSTICK_XPAD + tristate "X-Box gamepad support" + depends on USB_ARCH_HAS_HCD + select USB + help + Say Y here if you want to use the X-Box pad with your computer. + Make sure to say Y to "Joystick support" (CONFIG_INPUT_JOYDEV) + and/or "Event interface support" (CONFIG_INPUT_EVDEV) as well. + + For information about how to connect the X-Box pad to USB, see + <file:Documentation/input/xpad.txt>. + + To compile this driver as a module, choose M here: the + module will be called xpad. + +config JOYSTICK_XPAD_FF + bool "X-Box gamepad rumble support" + depends on JOYSTICK_XPAD && INPUT + select INPUT_FF_MEMLESS + ---help--- + Say Y here if you want to take advantage of xbox 360 rumble features. + +config JOYSTICK_XPAD_LEDS + bool "LED Support for Xbox360 controller 'BigX' LED" + depends on JOYSTICK_XPAD && (LEDS_CLASS=y || LEDS_CLASS=JOYSTICK_XPAD) + ---help--- + This option enables support for the LED which surrounds the Big X on + XBox 360 controller. + +endif diff --git a/drivers/input/joystick/Makefile b/drivers/input/joystick/Makefile new file mode 100644 index 0000000..fdbf8c4 --- /dev/null +++ b/drivers/input/joystick/Makefile @@ -0,0 +1,32 @@ +# +# Makefile for the input core drivers. +# + +# Each configuration option enables a list of files. + +obj-$(CONFIG_JOYSTICK_A3D) += a3d.o +obj-$(CONFIG_JOYSTICK_ADI) += adi.o +obj-$(CONFIG_JOYSTICK_AMIGA) += amijoy.o +obj-$(CONFIG_JOYSTICK_ANALOG) += analog.o +obj-$(CONFIG_JOYSTICK_COBRA) += cobra.o +obj-$(CONFIG_JOYSTICK_DB9) += db9.o +obj-$(CONFIG_JOYSTICK_GAMECON) += gamecon.o +obj-$(CONFIG_JOYSTICK_GF2K) += gf2k.o +obj-$(CONFIG_JOYSTICK_GRIP) += grip.o +obj-$(CONFIG_JOYSTICK_GRIP_MP) += grip_mp.o +obj-$(CONFIG_JOYSTICK_GUILLEMOT) += guillemot.o +obj-$(CONFIG_JOYSTICK_IFORCE) += iforce/ +obj-$(CONFIG_JOYSTICK_INTERACT) += interact.o +obj-$(CONFIG_JOYSTICK_JOYDUMP) += joydump.o +obj-$(CONFIG_JOYSTICK_MAGELLAN) += magellan.o +obj-$(CONFIG_JOYSTICK_SIDEWINDER) += sidewinder.o +obj-$(CONFIG_JOYSTICK_SPACEBALL) += spaceball.o +obj-$(CONFIG_JOYSTICK_SPACEORB) += spaceorb.o +obj-$(CONFIG_JOYSTICK_STINGER) += stinger.o +obj-$(CONFIG_JOYSTICK_TMDC) += tmdc.o +obj-$(CONFIG_JOYSTICK_TURBOGRAFX) += turbografx.o +obj-$(CONFIG_JOYSTICK_TWIDJOY) += twidjoy.o +obj-$(CONFIG_JOYSTICK_WARRIOR) += warrior.o +obj-$(CONFIG_JOYSTICK_XPAD) += xpad.o +obj-$(CONFIG_JOYSTICK_ZHENHUA) += zhenhua.o + diff --git a/drivers/input/joystick/a3d.c b/drivers/input/joystick/a3d.c new file mode 100644 index 0000000..6489f40 --- /dev/null +++ b/drivers/input/joystick/a3d.c @@ -0,0 +1,426 @@ +/* + * Copyright (c) 1998-2001 Vojtech Pavlik + */ + +/* + * FP-Gaming Assasin 3D joystick driver for Linux + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/gameport.h> +#include <linux/input.h> +#include <linux/jiffies.h> + +#define DRIVER_DESC "FP-Gaming Assasin 3D joystick driver" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +#define A3D_MAX_START 600 /* 600 us */ +#define A3D_MAX_STROBE 80 /* 80 us */ +#define A3D_MAX_LENGTH 40 /* 40*3 bits */ + +#define A3D_MODE_A3D 1 /* Assassin 3D */ +#define A3D_MODE_PAN 2 /* Panther */ +#define A3D_MODE_OEM 3 /* Panther OEM version */ +#define A3D_MODE_PXL 4 /* Panther XL */ + +static char *a3d_names[] = { NULL, "FP-Gaming Assassin 3D", "MadCatz Panther", "OEM Panther", + "MadCatz Panther XL", "MadCatz Panther XL w/ rudder" }; + +struct a3d { + struct gameport *gameport; + struct gameport *adc; + struct input_dev *dev; + int axes[4]; + int buttons; + int mode; + int length; + int reads; + int bads; + char phys[32]; +}; + +/* + * a3d_read_packet() reads an Assassin 3D packet. + */ + +static int a3d_read_packet(struct gameport *gameport, int length, char *data) +{ + unsigned long flags; + unsigned char u, v; + unsigned int t, s; + int i; + + i = 0; + t = gameport_time(gameport, A3D_MAX_START); + s = gameport_time(gameport, A3D_MAX_STROBE); + + local_irq_save(flags); + gameport_trigger(gameport); + v = gameport_read(gameport); + + while (t > 0 && i < length) { + t--; + u = v; v = gameport_read(gameport); + if (~v & u & 0x10) { + data[i++] = v >> 5; + t = s; + } + } + + local_irq_restore(flags); + + return i; +} + +/* + * a3d_csum() computes checksum of triplet packet + */ + +static int a3d_csum(char *data, int count) +{ + int i, csum = 0; + + for (i = 0; i < count - 2; i++) + csum += data[i]; + return (csum & 0x3f) != ((data[count - 2] << 3) | data[count - 1]); +} + +static void a3d_read(struct a3d *a3d, unsigned char *data) +{ + struct input_dev *dev = a3d->dev; + + switch (a3d->mode) { + + case A3D_MODE_A3D: + case A3D_MODE_OEM: + case A3D_MODE_PAN: + + input_report_rel(dev, REL_X, ((data[5] << 6) | (data[6] << 3) | data[ 7]) - ((data[5] & 4) << 7)); + input_report_rel(dev, REL_Y, ((data[8] << 6) | (data[9] << 3) | data[10]) - ((data[8] & 4) << 7)); + + input_report_key(dev, BTN_RIGHT, data[2] & 1); + input_report_key(dev, BTN_LEFT, data[3] & 2); + input_report_key(dev, BTN_MIDDLE, data[3] & 4); + + input_sync(dev); + + a3d->axes[0] = ((signed char)((data[11] << 6) | (data[12] << 3) | (data[13]))) + 128; + a3d->axes[1] = ((signed char)((data[14] << 6) | (data[15] << 3) | (data[16]))) + 128; + a3d->axes[2] = ((signed char)((data[17] << 6) | (data[18] << 3) | (data[19]))) + 128; + a3d->axes[3] = ((signed char)((data[20] << 6) | (data[21] << 3) | (data[22]))) + 128; + + a3d->buttons = ((data[3] << 3) | data[4]) & 0xf; + + break; + + case A3D_MODE_PXL: + + input_report_rel(dev, REL_X, ((data[ 9] << 6) | (data[10] << 3) | data[11]) - ((data[ 9] & 4) << 7)); + input_report_rel(dev, REL_Y, ((data[12] << 6) | (data[13] << 3) | data[14]) - ((data[12] & 4) << 7)); + + input_report_key(dev, BTN_RIGHT, data[2] & 1); + input_report_key(dev, BTN_LEFT, data[3] & 2); + input_report_key(dev, BTN_MIDDLE, data[3] & 4); + input_report_key(dev, BTN_SIDE, data[7] & 2); + input_report_key(dev, BTN_EXTRA, data[7] & 4); + + input_report_abs(dev, ABS_X, ((signed char)((data[15] << 6) | (data[16] << 3) | (data[17]))) + 128); + input_report_abs(dev, ABS_Y, ((signed char)((data[18] << 6) | (data[19] << 3) | (data[20]))) + 128); + input_report_abs(dev, ABS_RUDDER, ((signed char)((data[21] << 6) | (data[22] << 3) | (data[23]))) + 128); + input_report_abs(dev, ABS_THROTTLE, ((signed char)((data[24] << 6) | (data[25] << 3) | (data[26]))) + 128); + + input_report_abs(dev, ABS_HAT0X, ( data[5] & 1) - ((data[5] >> 2) & 1)); + input_report_abs(dev, ABS_HAT0Y, ((data[5] >> 1) & 1) - ((data[6] >> 2) & 1)); + input_report_abs(dev, ABS_HAT1X, ((data[4] >> 1) & 1) - ( data[3] & 1)); + input_report_abs(dev, ABS_HAT1Y, ((data[4] >> 2) & 1) - ( data[4] & 1)); + + input_report_key(dev, BTN_TRIGGER, data[8] & 1); + input_report_key(dev, BTN_THUMB, data[8] & 2); + input_report_key(dev, BTN_TOP, data[8] & 4); + input_report_key(dev, BTN_PINKIE, data[7] & 1); + + input_sync(dev); + + break; + } +} + + +/* + * a3d_poll() reads and analyzes A3D joystick data. + */ + +static void a3d_poll(struct gameport *gameport) +{ + struct a3d *a3d = gameport_get_drvdata(gameport); + unsigned char data[A3D_MAX_LENGTH]; + + a3d->reads++; + if (a3d_read_packet(a3d->gameport, a3d->length, data) != a3d->length || + data[0] != a3d->mode || a3d_csum(data, a3d->length)) + a3d->bads++; + else + a3d_read(a3d, data); +} + +/* + * a3d_adc_cooked_read() copies the acis and button data to the + * callers arrays. It could do the read itself, but the caller could + * call this more than 50 times a second, which would use too much CPU. + */ + +static int a3d_adc_cooked_read(struct gameport *gameport, int *axes, int *buttons) +{ + struct a3d *a3d = gameport->port_data; + int i; + + for (i = 0; i < 4; i++) + axes[i] = (a3d->axes[i] < 254) ? a3d->axes[i] : -1; + *buttons = a3d->buttons; + return 0; +} + +/* + * a3d_adc_open() is the gameport open routine. It refuses to serve + * any but cooked data. + */ + +static int a3d_adc_open(struct gameport *gameport, int mode) +{ + struct a3d *a3d = gameport->port_data; + + if (mode != GAMEPORT_MODE_COOKED) + return -1; + + gameport_start_polling(a3d->gameport); + return 0; +} + +/* + * a3d_adc_close() is a callback from the input close routine. + */ + +static void a3d_adc_close(struct gameport *gameport) +{ + struct a3d *a3d = gameport->port_data; + + gameport_stop_polling(a3d->gameport); +} + +/* + * a3d_open() is a callback from the input open routine. + */ + +static int a3d_open(struct input_dev *dev) +{ + struct a3d *a3d = input_get_drvdata(dev); + + gameport_start_polling(a3d->gameport); + return 0; +} + +/* + * a3d_close() is a callback from the input close routine. + */ + +static void a3d_close(struct input_dev *dev) +{ + struct a3d *a3d = input_get_drvdata(dev); + + gameport_stop_polling(a3d->gameport); +} + +/* + * a3d_connect() probes for A3D joysticks. + */ + +static int a3d_connect(struct gameport *gameport, struct gameport_driver *drv) +{ + struct a3d *a3d; + struct input_dev *input_dev; + struct gameport *adc; + unsigned char data[A3D_MAX_LENGTH]; + int i; + int err; + + a3d = kzalloc(sizeof(struct a3d), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!a3d || !input_dev) { + err = -ENOMEM; + goto fail1; + } + + a3d->dev = input_dev; + a3d->gameport = gameport; + + gameport_set_drvdata(gameport, a3d); + + err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW); + if (err) + goto fail1; + + i = a3d_read_packet(gameport, A3D_MAX_LENGTH, data); + + if (!i || a3d_csum(data, i)) { + err = -ENODEV; + goto fail2; + } + + a3d->mode = data[0]; + + if (!a3d->mode || a3d->mode > 5) { + printk(KERN_WARNING "a3d.c: Unknown A3D device detected " + "(%s, id=%d), contact <vojtech@ucw.cz>\n", gameport->phys, a3d->mode); + err = -ENODEV; + goto fail2; + } + + gameport_set_poll_handler(gameport, a3d_poll); + gameport_set_poll_interval(gameport, 20); + + snprintf(a3d->phys, sizeof(a3d->phys), "%s/input0", gameport->phys); + + input_dev->name = a3d_names[a3d->mode]; + input_dev->phys = a3d->phys; + input_dev->id.bustype = BUS_GAMEPORT; + input_dev->id.vendor = GAMEPORT_ID_VENDOR_MADCATZ; + input_dev->id.product = a3d->mode; + input_dev->id.version = 0x0100; + input_dev->dev.parent = &gameport->dev; + input_dev->open = a3d_open; + input_dev->close = a3d_close; + + input_set_drvdata(input_dev, a3d); + + if (a3d->mode == A3D_MODE_PXL) { + + int axes[] = { ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER }; + + a3d->length = 33; + + input_dev->evbit[0] |= BIT_MASK(EV_ABS) | BIT_MASK(EV_KEY) | + BIT_MASK(EV_REL); + input_dev->relbit[0] |= BIT_MASK(REL_X) | BIT_MASK(REL_Y); + input_dev->absbit[0] |= BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) | + BIT_MASK(ABS_THROTTLE) | BIT_MASK(ABS_RUDDER) | + BIT_MASK(ABS_HAT0X) | BIT_MASK(ABS_HAT0Y) | + BIT_MASK(ABS_HAT1X) | BIT_MASK(ABS_HAT1Y); + input_dev->keybit[BIT_WORD(BTN_MOUSE)] |= BIT_MASK(BTN_RIGHT) | + BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_MIDDLE) | + BIT_MASK(BTN_SIDE) | BIT_MASK(BTN_EXTRA); + input_dev->keybit[BIT_WORD(BTN_JOYSTICK)] |= + BIT_MASK(BTN_TRIGGER) | BIT_MASK(BTN_THUMB) | + BIT_MASK(BTN_TOP) | BIT_MASK(BTN_PINKIE); + + a3d_read(a3d, data); + + for (i = 0; i < 4; i++) { + if (i < 2) + input_set_abs_params(input_dev, axes[i], 48, input_dev->abs[axes[i]] * 2 - 48, 0, 8); + else + input_set_abs_params(input_dev, axes[i], 2, 253, 0, 0); + input_set_abs_params(input_dev, ABS_HAT0X + i, -1, 1, 0, 0); + } + + } else { + a3d->length = 29; + + input_dev->evbit[0] |= BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); + input_dev->relbit[0] |= BIT_MASK(REL_X) | BIT_MASK(REL_Y); + input_dev->keybit[BIT_WORD(BTN_MOUSE)] |= BIT_MASK(BTN_RIGHT) | + BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_MIDDLE); + + a3d_read(a3d, data); + + if (!(a3d->adc = adc = gameport_allocate_port())) + printk(KERN_ERR "a3d: Not enough memory for ADC port\n"); + else { + adc->port_data = a3d; + adc->open = a3d_adc_open; + adc->close = a3d_adc_close; + adc->cooked_read = a3d_adc_cooked_read; + adc->fuzz = 1; + + gameport_set_name(adc, a3d_names[a3d->mode]); + gameport_set_phys(adc, "%s/gameport0", gameport->phys); + adc->dev.parent = &gameport->dev; + + gameport_register_port(adc); + } + } + + err = input_register_device(a3d->dev); + if (err) + goto fail3; + + return 0; + + fail3: if (a3d->adc) + gameport_unregister_port(a3d->adc); + fail2: gameport_close(gameport); + fail1: gameport_set_drvdata(gameport, NULL); + input_free_device(input_dev); + kfree(a3d); + return err; +} + +static void a3d_disconnect(struct gameport *gameport) +{ + struct a3d *a3d = gameport_get_drvdata(gameport); + + input_unregister_device(a3d->dev); + if (a3d->adc) + gameport_unregister_port(a3d->adc); + gameport_close(gameport); + gameport_set_drvdata(gameport, NULL); + kfree(a3d); +} + +static struct gameport_driver a3d_drv = { + .driver = { + .name = "adc", + .owner = THIS_MODULE, + }, + .description = DRIVER_DESC, + .connect = a3d_connect, + .disconnect = a3d_disconnect, +}; + +static int __init a3d_init(void) +{ + return gameport_register_driver(&a3d_drv); +} + +static void __exit a3d_exit(void) +{ + gameport_unregister_driver(&a3d_drv); +} + +module_init(a3d_init); +module_exit(a3d_exit); diff --git a/drivers/input/joystick/adi.c b/drivers/input/joystick/adi.c new file mode 100644 index 0000000..89c4c08 --- /dev/null +++ b/drivers/input/joystick/adi.c @@ -0,0 +1,584 @@ +/* + * Copyright (c) 1998-2005 Vojtech Pavlik + */ + +/* + * Logitech ADI joystick family driver for Linux + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/delay.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/string.h> +#include <linux/slab.h> +#include <linux/input.h> +#include <linux/gameport.h> +#include <linux/init.h> +#include <linux/jiffies.h> + +#define DRIVER_DESC "Logitech ADI joystick family driver" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +/* + * Times, array sizes, flags, ids. + */ + +#define ADI_MAX_START 200 /* Trigger to packet timeout [200us] */ +#define ADI_MAX_STROBE 40 /* Single bit timeout [40us] */ +#define ADI_INIT_DELAY 10 /* Delay after init packet [10ms] */ +#define ADI_DATA_DELAY 4 /* Delay after data packet [4ms] */ + +#define ADI_MAX_LENGTH 256 +#define ADI_MIN_LENGTH 8 +#define ADI_MIN_LEN_LENGTH 10 +#define ADI_MIN_ID_LENGTH 66 +#define ADI_MAX_NAME_LENGTH 64 +#define ADI_MAX_CNAME_LENGTH 16 +#define ADI_MAX_PHYS_LENGTH 64 + +#define ADI_FLAG_HAT 0x04 +#define ADI_FLAG_10BIT 0x08 + +#define ADI_ID_TPD 0x01 +#define ADI_ID_WGP 0x06 +#define ADI_ID_WGPE 0x08 +#define ADI_ID_MAX 0x0a + +/* + * Names, buttons, axes ... + */ + +static char *adi_names[] = { "WingMan Extreme Digital", "ThunderPad Digital", "SideCar", "CyberMan 2", + "WingMan Interceptor", "WingMan Formula", "WingMan GamePad", + "WingMan Extreme Digital 3D", "WingMan GamePad Extreme", + "WingMan GamePad USB", "Unknown Device %#x" }; + +static char adi_wmgpe_abs[] = { ABS_X, ABS_Y, ABS_HAT0X, ABS_HAT0Y }; +static char adi_wmi_abs[] = { ABS_X, ABS_Y, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X, ABS_HAT1Y, ABS_HAT2X, ABS_HAT2Y }; +static char adi_wmed3d_abs[] = { ABS_X, ABS_Y, ABS_THROTTLE, ABS_RZ, ABS_HAT0X, ABS_HAT0Y }; +static char adi_cm2_abs[] = { ABS_X, ABS_Y, ABS_Z, ABS_RX, ABS_RY, ABS_RZ }; +static char adi_wmf_abs[] = { ABS_WHEEL, ABS_GAS, ABS_BRAKE, ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X, ABS_HAT1Y, ABS_HAT2X, ABS_HAT2Y }; + +static short adi_wmgpe_key[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_START, BTN_MODE, BTN_SELECT }; +static short adi_wmi_key[] = { BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE, BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_EXTRA }; +static short adi_wmed3d_key[] = { BTN_TRIGGER, BTN_THUMB, BTN_THUMB2, BTN_TOP, BTN_TOP2, BTN_BASE, BTN_BASE2 }; +static short adi_cm2_key[] = { BTN_1, BTN_2, BTN_3, BTN_4, BTN_5, BTN_6, BTN_7, BTN_8 }; + +static char* adi_abs[] = { adi_wmi_abs, adi_wmgpe_abs, adi_wmf_abs, adi_cm2_abs, adi_wmi_abs, adi_wmf_abs, + adi_wmgpe_abs, adi_wmed3d_abs, adi_wmgpe_abs, adi_wmgpe_abs, adi_wmi_abs }; + +static short* adi_key[] = { adi_wmi_key, adi_wmgpe_key, adi_cm2_key, adi_cm2_key, adi_wmi_key, adi_cm2_key, + adi_wmgpe_key, adi_wmed3d_key, adi_wmgpe_key, adi_wmgpe_key, adi_wmi_key }; + +/* + * Hat to axis conversion arrays. + */ + +static struct { + int x; + int y; +} adi_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}}; + +/* + * Per-port information. + */ + +struct adi { + struct input_dev *dev; + int length; + int ret; + int idx; + unsigned char id; + char buttons; + char axes10; + char axes8; + signed char pad; + char hats; + char *abs; + short *key; + char name[ADI_MAX_NAME_LENGTH]; + char cname[ADI_MAX_CNAME_LENGTH]; + char phys[ADI_MAX_PHYS_LENGTH]; + unsigned char data[ADI_MAX_LENGTH]; +}; + +struct adi_port { + struct gameport *gameport; + struct adi adi[2]; + int bad; + int reads; +}; + +/* + * adi_read_packet() reads a Logitech ADI packet. + */ + +static void adi_read_packet(struct adi_port *port) +{ + struct adi *adi = port->adi; + struct gameport *gameport = port->gameport; + unsigned char u, v, w, x, z; + int t[2], s[2], i; + unsigned long flags; + + for (i = 0; i < 2; i++) { + adi[i].ret = -1; + t[i] = gameport_time(gameport, ADI_MAX_START); + s[i] = 0; + } + + local_irq_save(flags); + + gameport_trigger(gameport); + v = z = gameport_read(gameport); + + do { + u = v; + w = u ^ (v = x = gameport_read(gameport)); + for (i = 0; i < 2; i++, w >>= 2, x >>= 2) { + t[i]--; + if ((w & 0x30) && s[i]) { + if ((w & 0x30) < 0x30 && adi[i].ret < ADI_MAX_LENGTH && t[i] > 0) { + adi[i].data[++adi[i].ret] = w; + t[i] = gameport_time(gameport, ADI_MAX_STROBE); + } else t[i] = 0; + } else if (!(x & 0x30)) s[i] = 1; + } + } while (t[0] > 0 || t[1] > 0); + + local_irq_restore(flags); + + return; +} + +/* + * adi_move_bits() detects a possible 2-stream mode, and moves + * the bits accordingly. + */ + +static void adi_move_bits(struct adi_port *port, int length) +{ + int i; + struct adi *adi = port->adi; + + adi[0].idx = adi[1].idx = 0; + + if (adi[0].ret <= 0 || adi[1].ret <= 0) return; + if (adi[0].data[0] & 0x20 || ~adi[1].data[0] & 0x20) return; + + for (i = 1; i <= adi[1].ret; i++) + adi[0].data[((length - 1) >> 1) + i + 1] = adi[1].data[i]; + + adi[0].ret += adi[1].ret; + adi[1].ret = -1; +} + +/* + * adi_get_bits() gathers bits from the data packet. + */ + +static inline int adi_get_bits(struct adi *adi, int count) +{ + int bits = 0; + int i; + if ((adi->idx += count) > adi->ret) return 0; + for (i = 0; i < count; i++) + bits |= ((adi->data[adi->idx - i] >> 5) & 1) << i; + return bits; +} + +/* + * adi_decode() decodes Logitech joystick data into input events. + */ + +static int adi_decode(struct adi *adi) +{ + struct input_dev *dev = adi->dev; + char *abs = adi->abs; + short *key = adi->key; + int i, t; + + if (adi->ret < adi->length || adi->id != (adi_get_bits(adi, 4) | (adi_get_bits(adi, 4) << 4))) + return -1; + + for (i = 0; i < adi->axes10; i++) + input_report_abs(dev, *abs++, adi_get_bits(adi, 10)); + + for (i = 0; i < adi->axes8; i++) + input_report_abs(dev, *abs++, adi_get_bits(adi, 8)); + + for (i = 0; i < adi->buttons && i < 63; i++) { + if (i == adi->pad) { + t = adi_get_bits(adi, 4); + input_report_abs(dev, *abs++, ((t >> 2) & 1) - ( t & 1)); + input_report_abs(dev, *abs++, ((t >> 1) & 1) - ((t >> 3) & 1)); + } + input_report_key(dev, *key++, adi_get_bits(adi, 1)); + } + + for (i = 0; i < adi->hats; i++) { + if ((t = adi_get_bits(adi, 4)) > 8) t = 0; + input_report_abs(dev, *abs++, adi_hat_to_axis[t].x); + input_report_abs(dev, *abs++, adi_hat_to_axis[t].y); + } + + for (i = 63; i < adi->buttons; i++) + input_report_key(dev, *key++, adi_get_bits(adi, 1)); + + input_sync(dev); + + return 0; +} + +/* + * adi_read() reads the data packet and decodes it. + */ + +static int adi_read(struct adi_port *port) +{ + int i; + int result = 0; + + adi_read_packet(port); + adi_move_bits(port, port->adi[0].length); + + for (i = 0; i < 2; i++) + if (port->adi[i].length) + result |= adi_decode(port->adi + i); + + return result; +} + +/* + * adi_poll() repeatedly polls the Logitech joysticks. + */ + +static void adi_poll(struct gameport *gameport) +{ + struct adi_port *port = gameport_get_drvdata(gameport); + + port->bad -= adi_read(port); + port->reads++; +} + +/* + * adi_open() is a callback from the input open routine. + */ + +static int adi_open(struct input_dev *dev) +{ + struct adi_port *port = input_get_drvdata(dev); + + gameport_start_polling(port->gameport); + return 0; +} + +/* + * adi_close() is a callback from the input close routine. + */ + +static void adi_close(struct input_dev *dev) +{ + struct adi_port *port = input_get_drvdata(dev); + + gameport_stop_polling(port->gameport); +} + +/* + * adi_init_digital() sends a trigger & delay sequence + * to reset and initialize a Logitech joystick into digital mode. + */ + +static void adi_init_digital(struct gameport *gameport) +{ + int seq[] = { 4, -2, -3, 10, -6, -11, -7, -9, 11, 0 }; + int i; + + for (i = 0; seq[i]; i++) { + gameport_trigger(gameport); + if (seq[i] > 0) + msleep(seq[i]); + if (seq[i] < 0) { + mdelay(-seq[i]); + udelay(-seq[i]*14); /* It looks like mdelay() is off by approx 1.4% */ + } + } +} + +static void adi_id_decode(struct adi *adi, struct adi_port *port) +{ + int i, t; + + if (adi->ret < ADI_MIN_ID_LENGTH) /* Minimum ID packet length */ + return; + + if (adi->ret < (t = adi_get_bits(adi, 10))) { + printk(KERN_WARNING "adi: Short ID packet: reported: %d != read: %d\n", t, adi->ret); + return; + } + + adi->id = adi_get_bits(adi, 4) | (adi_get_bits(adi, 4) << 4); + + if ((t = adi_get_bits(adi, 4)) & ADI_FLAG_HAT) adi->hats++; + + adi->length = adi_get_bits(adi, 10); + + if (adi->length >= ADI_MAX_LENGTH || adi->length < ADI_MIN_LENGTH) { + printk(KERN_WARNING "adi: Bad data packet length (%d).\n", adi->length); + adi->length = 0; + return; + } + + adi->axes8 = adi_get_bits(adi, 4); + adi->buttons = adi_get_bits(adi, 6); + + if (adi_get_bits(adi, 6) != 8 && adi->hats) { + printk(KERN_WARNING "adi: Other than 8-dir POVs not supported yet.\n"); + adi->length = 0; + return; + } + + adi->buttons += adi_get_bits(adi, 6); + adi->hats += adi_get_bits(adi, 4); + + i = adi_get_bits(adi, 4); + + if (t & ADI_FLAG_10BIT) { + adi->axes10 = adi->axes8 - i; + adi->axes8 = i; + } + + t = adi_get_bits(adi, 4); + + for (i = 0; i < t; i++) + adi->cname[i] = adi_get_bits(adi, 8); + adi->cname[i] = 0; + + t = 8 + adi->buttons + adi->axes10 * 10 + adi->axes8 * 8 + adi->hats * 4; + if (adi->length != t && adi->length != t + (t & 1)) { + printk(KERN_WARNING "adi: Expected length %d != data length %d\n", t, adi->length); + adi->length = 0; + return; + } + + switch (adi->id) { + case ADI_ID_TPD: + adi->pad = 4; + adi->buttons -= 4; + break; + case ADI_ID_WGP: + adi->pad = 0; + adi->buttons -= 4; + break; + default: + adi->pad = -1; + break; + } +} + +static int adi_init_input(struct adi *adi, struct adi_port *port, int half) +{ + struct input_dev *input_dev; + char buf[ADI_MAX_NAME_LENGTH]; + int i, t; + + adi->dev = input_dev = input_allocate_device(); + if (!input_dev) + return -ENOMEM; + + t = adi->id < ADI_ID_MAX ? adi->id : ADI_ID_MAX; + + snprintf(buf, ADI_MAX_PHYS_LENGTH, adi_names[t], adi->id); + snprintf(adi->name, ADI_MAX_NAME_LENGTH, "Logitech %s [%s]", buf, adi->cname); + snprintf(adi->phys, ADI_MAX_PHYS_LENGTH, "%s/input%d", port->gameport->phys, half); + + adi->abs = adi_abs[t]; + adi->key = adi_key[t]; + + input_dev->name = adi->name; + input_dev->phys = adi->phys; + input_dev->id.bustype = BUS_GAMEPORT; + input_dev->id.vendor = GAMEPORT_ID_VENDOR_LOGITECH; + input_dev->id.product = adi->id; + input_dev->id.version = 0x0100; + input_dev->dev.parent = &port->gameport->dev; + + input_set_drvdata(input_dev, port); + + input_dev->open = adi_open; + input_dev->close = adi_close; + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + + for (i = 0; i < adi->axes10 + adi->axes8 + (adi->hats + (adi->pad != -1)) * 2; i++) + set_bit(adi->abs[i], input_dev->absbit); + + for (i = 0; i < adi->buttons; i++) + set_bit(adi->key[i], input_dev->keybit); + + return 0; +} + +static void adi_init_center(struct adi *adi) +{ + int i, t, x; + + if (!adi->length) + return; + + for (i = 0; i < adi->axes10 + adi->axes8 + (adi->hats + (adi->pad != -1)) * 2; i++) { + + t = adi->abs[i]; + x = adi->dev->abs[t]; + + if (t == ABS_THROTTLE || t == ABS_RUDDER || adi->id == ADI_ID_WGPE) + x = i < adi->axes10 ? 512 : 128; + + if (i < adi->axes10) + input_set_abs_params(adi->dev, t, 64, x * 2 - 64, 2, 16); + else if (i < adi->axes10 + adi->axes8) + input_set_abs_params(adi->dev, t, 48, x * 2 - 48, 1, 16); + else + input_set_abs_params(adi->dev, t, -1, 1, 0, 0); + } +} + +/* + * adi_connect() probes for Logitech ADI joysticks. + */ + +static int adi_connect(struct gameport *gameport, struct gameport_driver *drv) +{ + struct adi_port *port; + int i; + int err; + + port = kzalloc(sizeof(struct adi_port), GFP_KERNEL); + if (!port) + return -ENOMEM; + + port->gameport = gameport; + + gameport_set_drvdata(gameport, port); + + err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW); + if (err) + goto fail1; + + adi_init_digital(gameport); + adi_read_packet(port); + + if (port->adi[0].ret >= ADI_MIN_LEN_LENGTH) + adi_move_bits(port, adi_get_bits(port->adi, 10)); + + for (i = 0; i < 2; i++) { + adi_id_decode(port->adi + i, port); + + if (!port->adi[i].length) + continue; + + err = adi_init_input(port->adi + i, port, i); + if (err) + goto fail2; + } + + if (!port->adi[0].length && !port->adi[1].length) { + err = -ENODEV; + goto fail2; + } + + gameport_set_poll_handler(gameport, adi_poll); + gameport_set_poll_interval(gameport, 20); + + msleep(ADI_INIT_DELAY); + if (adi_read(port)) { + msleep(ADI_DATA_DELAY); + adi_read(port); + } + + for (i = 0; i < 2; i++) + if (port->adi[i].length > 0) { + adi_init_center(port->adi + i); + err = input_register_device(port->adi[i].dev); + if (err) + goto fail3; + } + + return 0; + + fail3: while (--i >= 0) { + if (port->adi[i].length > 0) { + input_unregister_device(port->adi[i].dev); + port->adi[i].dev = NULL; + } + } + fail2: for (i = 0; i < 2; i++) + if (port->adi[i].dev) + input_free_device(port->adi[i].dev); + gameport_close(gameport); + fail1: gameport_set_drvdata(gameport, NULL); + kfree(port); + return err; +} + +static void adi_disconnect(struct gameport *gameport) +{ + int i; + struct adi_port *port = gameport_get_drvdata(gameport); + + for (i = 0; i < 2; i++) + if (port->adi[i].length > 0) + input_unregister_device(port->adi[i].dev); + gameport_close(gameport); + gameport_set_drvdata(gameport, NULL); + kfree(port); +} + +/* + * The gameport device structure. + */ + +static struct gameport_driver adi_drv = { + .driver = { + .name = "adi", + }, + .description = DRIVER_DESC, + .connect = adi_connect, + .disconnect = adi_disconnect, +}; + +static int __init adi_init(void) +{ + return gameport_register_driver(&adi_drv); +} + +static void __exit adi_exit(void) +{ + gameport_unregister_driver(&adi_drv); +} + +module_init(adi_init); +module_exit(adi_exit); diff --git a/drivers/input/joystick/amijoy.c b/drivers/input/joystick/amijoy.c new file mode 100644 index 0000000..05022f0 --- /dev/null +++ b/drivers/input/joystick/amijoy.c @@ -0,0 +1,174 @@ +/* + * Copyright (c) 1998-2001 Vojtech Pavlik + */ + +/* + * Driver for Amiga joysticks for Linux/m68k + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/interrupt.h> +#include <linux/mutex.h> + +#include <asm/system.h> +#include <asm/amigahw.h> +#include <asm/amigaints.h> + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION("Driver for Amiga joysticks"); +MODULE_LICENSE("GPL"); + +static int amijoy[2] = { 0, 1 }; +module_param_array_named(map, amijoy, uint, NULL, 0); +MODULE_PARM_DESC(map, "Map of attached joysticks in form of <a>,<b> (default is 0,1)"); + +static int amijoy_used; +static DEFINE_MUTEX(amijoy_mutex); +static struct input_dev *amijoy_dev[2]; +static char *amijoy_phys[2] = { "amijoy/input0", "amijoy/input1" }; + +static irqreturn_t amijoy_interrupt(int irq, void *dummy) +{ + int i, data = 0, button = 0; + + for (i = 0; i < 2; i++) + if (amijoy[i]) { + + switch (i) { + case 0: data = ~amiga_custom.joy0dat; button = (~ciaa.pra >> 6) & 1; break; + case 1: data = ~amiga_custom.joy1dat; button = (~ciaa.pra >> 7) & 1; break; + } + + input_report_key(amijoy_dev[i], BTN_TRIGGER, button); + + input_report_abs(amijoy_dev[i], ABS_X, ((data >> 1) & 1) - ((data >> 9) & 1)); + data = ~(data ^ (data << 1)); + input_report_abs(amijoy_dev[i], ABS_Y, ((data >> 1) & 1) - ((data >> 9) & 1)); + + input_sync(amijoy_dev[i]); + } + return IRQ_HANDLED; +} + +static int amijoy_open(struct input_dev *dev) +{ + int err; + + err = mutex_lock_interruptible(&amijoy_mutex); + if (err) + return err; + + if (!amijoy_used && request_irq(IRQ_AMIGA_VERTB, amijoy_interrupt, 0, "amijoy", amijoy_interrupt)) { + printk(KERN_ERR "amijoy.c: Can't allocate irq %d\n", IRQ_AMIGA_VERTB); + err = -EBUSY; + goto out; + } + + amijoy_used++; +out: + mutex_unlock(&amijoy_mutex); + return err; +} + +static void amijoy_close(struct input_dev *dev) +{ + mutex_lock(&amijoy_mutex); + if (!--amijoy_used) + free_irq(IRQ_AMIGA_VERTB, amijoy_interrupt); + mutex_unlock(&amijoy_mutex); +} + +static int __init amijoy_init(void) +{ + int i, j; + int err; + + for (i = 0; i < 2; i++) { + if (!amijoy[i]) + continue; + + amijoy_dev[i] = input_allocate_device(); + if (!amijoy_dev[i]) { + err = -ENOMEM; + goto fail; + } + + if (!request_mem_region(CUSTOM_PHYSADDR + 10 + i * 2, 2, "amijoy [Denise]")) { + input_free_device(amijoy_dev[i]); + err = -EBUSY; + goto fail; + } + + amijoy_dev[i]->name = "Amiga joystick"; + amijoy_dev[i]->phys = amijoy_phys[i]; + amijoy_dev[i]->id.bustype = BUS_AMIGA; + amijoy_dev[i]->id.vendor = 0x0001; + amijoy_dev[i]->id.product = 0x0003; + amijoy_dev[i]->id.version = 0x0100; + + amijoy_dev[i]->open = amijoy_open; + amijoy_dev[i]->close = amijoy_close; + + amijoy_dev[i]->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + amijoy_dev[i]->absbit[0] = BIT_MASK(ABS_X) | BIT_MASK(ABS_Y); + amijoy_dev[i]->keybit[BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) | + BIT_MASK(BTN_MIDDLE) | BIT_MASK(BTN_RIGHT); + for (j = 0; j < 2; j++) { + amijoy_dev[i]->absmin[ABS_X + j] = -1; + amijoy_dev[i]->absmax[ABS_X + j] = 1; + } + + err = input_register_device(amijoy_dev[i]); + if (err) { + input_free_device(amijoy_dev[i]); + goto fail; + } + } + return 0; + + fail: while (--i >= 0) + if (amijoy[i]) { + input_unregister_device(amijoy_dev[i]); + release_mem_region(CUSTOM_PHYSADDR + 10 + i * 2, 2); + } + return err; +} + +static void __exit amijoy_exit(void) +{ + int i; + + for (i = 0; i < 2; i++) + if (amijoy[i]) { + input_unregister_device(amijoy_dev[i]); + release_mem_region(CUSTOM_PHYSADDR + 10 + i * 2, 2); + } +} + +module_init(amijoy_init); +module_exit(amijoy_exit); diff --git a/drivers/input/joystick/analog.c b/drivers/input/joystick/analog.c new file mode 100644 index 0000000..356b3a2 --- /dev/null +++ b/drivers/input/joystick/analog.c @@ -0,0 +1,773 @@ +/* + * Copyright (c) 1996-2001 Vojtech Pavlik + */ + +/* + * Analog joystick and gamepad driver for Linux + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/delay.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/bitops.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/gameport.h> +#include <linux/jiffies.h> +#include <asm/timex.h> + +#define DRIVER_DESC "Analog joystick and gamepad driver" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +/* + * Option parsing. + */ + +#define ANALOG_PORTS 16 + +static char *js[ANALOG_PORTS]; +static unsigned int js_nargs; +static int analog_options[ANALOG_PORTS]; +module_param_array_named(map, js, charp, &js_nargs, 0); +MODULE_PARM_DESC(map, "Describes analog joysticks type/capabilities"); + +/* + * Times, feature definitions. + */ + +#define ANALOG_RUDDER 0x00004 +#define ANALOG_THROTTLE 0x00008 +#define ANALOG_AXES_STD 0x0000f +#define ANALOG_BTNS_STD 0x000f0 + +#define ANALOG_BTNS_CHF 0x00100 +#define ANALOG_HAT1_CHF 0x00200 +#define ANALOG_HAT2_CHF 0x00400 +#define ANALOG_HAT_FCS 0x00800 +#define ANALOG_HATS_ALL 0x00e00 +#define ANALOG_BTN_TL 0x01000 +#define ANALOG_BTN_TR 0x02000 +#define ANALOG_BTN_TL2 0x04000 +#define ANALOG_BTN_TR2 0x08000 +#define ANALOG_BTNS_TLR 0x03000 +#define ANALOG_BTNS_TLR2 0x0c000 +#define ANALOG_BTNS_GAMEPAD 0x0f000 + +#define ANALOG_HBTN_CHF 0x10000 +#define ANALOG_ANY_CHF 0x10700 +#define ANALOG_SAITEK 0x20000 +#define ANALOG_EXTENSIONS 0x7ff00 +#define ANALOG_GAMEPAD 0x80000 + +#define ANALOG_MAX_TIME 3 /* 3 ms */ +#define ANALOG_LOOP_TIME 2000 /* 2 * loop */ +#define ANALOG_SAITEK_DELAY 200 /* 200 us */ +#define ANALOG_SAITEK_TIME 2000 /* 2000 us */ +#define ANALOG_AXIS_TIME 2 /* 2 * refresh */ +#define ANALOG_INIT_RETRIES 8 /* 8 times */ +#define ANALOG_FUZZ_BITS 2 /* 2 bit more */ +#define ANALOG_FUZZ_MAGIC 36 /* 36 u*ms/loop */ + +#define ANALOG_MAX_NAME_LENGTH 128 +#define ANALOG_MAX_PHYS_LENGTH 32 + +static short analog_axes[] = { ABS_X, ABS_Y, ABS_RUDDER, ABS_THROTTLE }; +static short analog_hats[] = { ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X, ABS_HAT1Y, ABS_HAT2X, ABS_HAT2Y }; +static short analog_pads[] = { BTN_Y, BTN_Z, BTN_TL, BTN_TR }; +static short analog_exts[] = { ANALOG_HAT1_CHF, ANALOG_HAT2_CHF, ANALOG_HAT_FCS }; +static short analog_pad_btn[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_TL2, BTN_TR2, BTN_SELECT, BTN_START, BTN_MODE, BTN_BASE }; +static short analog_joy_btn[] = { BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE, BTN_BASE2, + BTN_BASE3, BTN_BASE4, BTN_BASE5, BTN_BASE6 }; + +static unsigned char analog_chf[] = { 0xf, 0x0, 0x1, 0x9, 0x2, 0x4, 0xc, 0x8, 0x3, 0x5, 0xb, 0x7, 0xd, 0xe, 0xa, 0x6 }; + +struct analog { + struct input_dev *dev; + int mask; + short *buttons; + char name[ANALOG_MAX_NAME_LENGTH]; + char phys[ANALOG_MAX_PHYS_LENGTH]; +}; + +struct analog_port { + struct gameport *gameport; + struct analog analog[2]; + unsigned char mask; + char saitek; + char cooked; + int bads; + int reads; + int speed; + int loop; + int fuzz; + int axes[4]; + int buttons; + int initial[4]; + int axtime; +}; + +/* + * Time macros. + */ + +#ifdef __i386__ + +#include <asm/i8253.h> + +#define GET_TIME(x) do { if (cpu_has_tsc) rdtscl(x); else x = get_time_pit(); } while (0) +#define DELTA(x,y) (cpu_has_tsc ? ((y) - (x)) : ((x) - (y) + ((x) < (y) ? CLOCK_TICK_RATE / HZ : 0))) +#define TIME_NAME (cpu_has_tsc?"TSC":"PIT") +static unsigned int get_time_pit(void) +{ + unsigned long flags; + unsigned int count; + + spin_lock_irqsave(&i8253_lock, flags); + outb_p(0x00, 0x43); + count = inb_p(0x40); + count |= inb_p(0x40) << 8; + spin_unlock_irqrestore(&i8253_lock, flags); + + return count; +} +#elif defined(__x86_64__) +#define GET_TIME(x) rdtscl(x) +#define DELTA(x,y) ((y)-(x)) +#define TIME_NAME "TSC" +#elif defined(__alpha__) +#define GET_TIME(x) do { x = get_cycles(); } while (0) +#define DELTA(x,y) ((y)-(x)) +#define TIME_NAME "PCC" +#elif defined(CONFIG_MN10300) +#define GET_TIME(x) do { x = get_cycles(); } while (0) +#define DELTA(x, y) ((x) - (y)) +#define TIME_NAME "TSC" +#else +#define FAKE_TIME +static unsigned long analog_faketime = 0; +#define GET_TIME(x) do { x = analog_faketime++; } while(0) +#define DELTA(x,y) ((y)-(x)) +#define TIME_NAME "Unreliable" +#warning Precise timer not defined for this architecture. +#endif + +/* + * analog_decode() decodes analog joystick data and reports input events. + */ + +static void analog_decode(struct analog *analog, int *axes, int *initial, int buttons) +{ + struct input_dev *dev = analog->dev; + int i, j; + + if (analog->mask & ANALOG_HAT_FCS) + for (i = 0; i < 4; i++) + if (axes[3] < ((initial[3] * ((i << 1) + 1)) >> 3)) { + buttons |= 1 << (i + 14); + break; + } + + for (i = j = 0; i < 6; i++) + if (analog->mask & (0x10 << i)) + input_report_key(dev, analog->buttons[j++], (buttons >> i) & 1); + + if (analog->mask & ANALOG_HBTN_CHF) + for (i = 0; i < 4; i++) + input_report_key(dev, analog->buttons[j++], (buttons >> (i + 10)) & 1); + + if (analog->mask & ANALOG_BTN_TL) + input_report_key(dev, analog_pads[0], axes[2] < (initial[2] >> 1)); + if (analog->mask & ANALOG_BTN_TR) + input_report_key(dev, analog_pads[1], axes[3] < (initial[3] >> 1)); + if (analog->mask & ANALOG_BTN_TL2) + input_report_key(dev, analog_pads[2], axes[2] > (initial[2] + (initial[2] >> 1))); + if (analog->mask & ANALOG_BTN_TR2) + input_report_key(dev, analog_pads[3], axes[3] > (initial[3] + (initial[3] >> 1))); + + for (i = j = 0; i < 4; i++) + if (analog->mask & (1 << i)) + input_report_abs(dev, analog_axes[j++], axes[i]); + + for (i = j = 0; i < 3; i++) + if (analog->mask & analog_exts[i]) { + input_report_abs(dev, analog_hats[j++], + ((buttons >> ((i << 2) + 7)) & 1) - ((buttons >> ((i << 2) + 9)) & 1)); + input_report_abs(dev, analog_hats[j++], + ((buttons >> ((i << 2) + 8)) & 1) - ((buttons >> ((i << 2) + 6)) & 1)); + } + + input_sync(dev); +} + +/* + * analog_cooked_read() reads analog joystick data. + */ + +static int analog_cooked_read(struct analog_port *port) +{ + struct gameport *gameport = port->gameport; + unsigned int time[4], start, loop, now, loopout, timeout; + unsigned char data[4], this, last; + unsigned long flags; + int i, j; + + loopout = (ANALOG_LOOP_TIME * port->loop) / 1000; + timeout = ANALOG_MAX_TIME * port->speed; + + local_irq_save(flags); + gameport_trigger(gameport); + GET_TIME(now); + local_irq_restore(flags); + + start = now; + this = port->mask; + i = 0; + + do { + loop = now; + last = this; + + local_irq_disable(); + this = gameport_read(gameport) & port->mask; + GET_TIME(now); + local_irq_restore(flags); + + if ((last ^ this) && (DELTA(loop, now) < loopout)) { + data[i] = last ^ this; + time[i] = now; + i++; + } + + } while (this && (i < 4) && (DELTA(start, now) < timeout)); + + this <<= 4; + + for (--i; i >= 0; i--) { + this |= data[i]; + for (j = 0; j < 4; j++) + if (data[i] & (1 << j)) + port->axes[j] = (DELTA(start, time[i]) << ANALOG_FUZZ_BITS) / port->loop; + } + + return -(this != port->mask); +} + +static int analog_button_read(struct analog_port *port, char saitek, char chf) +{ + unsigned char u; + int t = 1, i = 0; + int strobe = gameport_time(port->gameport, ANALOG_SAITEK_TIME); + + u = gameport_read(port->gameport); + + if (!chf) { + port->buttons = (~u >> 4) & 0xf; + return 0; + } + + port->buttons = 0; + + while ((~u & 0xf0) && (i < 16) && t) { + port->buttons |= 1 << analog_chf[(~u >> 4) & 0xf]; + if (!saitek) return 0; + udelay(ANALOG_SAITEK_DELAY); + t = strobe; + gameport_trigger(port->gameport); + while (((u = gameport_read(port->gameport)) & port->mask) && t) t--; + i++; + } + + return -(!t || (i == 16)); +} + +/* + * analog_poll() repeatedly polls the Analog joysticks. + */ + +static void analog_poll(struct gameport *gameport) +{ + struct analog_port *port = gameport_get_drvdata(gameport); + int i; + + char saitek = !!(port->analog[0].mask & ANALOG_SAITEK); + char chf = !!(port->analog[0].mask & ANALOG_ANY_CHF); + + if (port->cooked) { + port->bads -= gameport_cooked_read(port->gameport, port->axes, &port->buttons); + if (chf) + port->buttons = port->buttons ? (1 << analog_chf[port->buttons]) : 0; + port->reads++; + } else { + if (!port->axtime--) { + port->bads -= analog_cooked_read(port); + port->bads -= analog_button_read(port, saitek, chf); + port->reads++; + port->axtime = ANALOG_AXIS_TIME - 1; + } else { + if (!saitek) + analog_button_read(port, saitek, chf); + } + } + + for (i = 0; i < 2; i++) + if (port->analog[i].mask) + analog_decode(port->analog + i, port->axes, port->initial, port->buttons); +} + +/* + * analog_open() is a callback from the input open routine. + */ + +static int analog_open(struct input_dev *dev) +{ + struct analog_port *port = input_get_drvdata(dev); + + gameport_start_polling(port->gameport); + return 0; +} + +/* + * analog_close() is a callback from the input close routine. + */ + +static void analog_close(struct input_dev *dev) +{ + struct analog_port *port = input_get_drvdata(dev); + + gameport_stop_polling(port->gameport); +} + +/* + * analog_calibrate_timer() calibrates the timer and computes loop + * and timeout values for a joystick port. + */ + +static void analog_calibrate_timer(struct analog_port *port) +{ + struct gameport *gameport = port->gameport; + unsigned int i, t, tx, t1, t2, t3; + unsigned long flags; + + local_irq_save(flags); + GET_TIME(t1); +#ifdef FAKE_TIME + analog_faketime += 830; +#endif + mdelay(1); + GET_TIME(t2); + GET_TIME(t3); + local_irq_restore(flags); + + port->speed = DELTA(t1, t2) - DELTA(t2, t3); + + tx = ~0; + + for (i = 0; i < 50; i++) { + local_irq_save(flags); + GET_TIME(t1); + for (t = 0; t < 50; t++) { gameport_read(gameport); GET_TIME(t2); } + GET_TIME(t3); + local_irq_restore(flags); + udelay(i); + t = DELTA(t1, t2) - DELTA(t2, t3); + if (t < tx) tx = t; + } + + port->loop = tx / 50; +} + +/* + * analog_name() constructs a name for an analog joystick. + */ + +static void analog_name(struct analog *analog) +{ + snprintf(analog->name, sizeof(analog->name), "Analog %d-axis %d-button", + hweight8(analog->mask & ANALOG_AXES_STD), + hweight8(analog->mask & ANALOG_BTNS_STD) + !!(analog->mask & ANALOG_BTNS_CHF) * 2 + + hweight16(analog->mask & ANALOG_BTNS_GAMEPAD) + !!(analog->mask & ANALOG_HBTN_CHF) * 4); + + if (analog->mask & ANALOG_HATS_ALL) + snprintf(analog->name, sizeof(analog->name), "%s %d-hat", + analog->name, hweight16(analog->mask & ANALOG_HATS_ALL)); + + if (analog->mask & ANALOG_HAT_FCS) + strlcat(analog->name, " FCS", sizeof(analog->name)); + if (analog->mask & ANALOG_ANY_CHF) + strlcat(analog->name, (analog->mask & ANALOG_SAITEK) ? " Saitek" : " CHF", + sizeof(analog->name)); + + strlcat(analog->name, (analog->mask & ANALOG_GAMEPAD) ? " gamepad": " joystick", + sizeof(analog->name)); +} + +/* + * analog_init_device() + */ + +static int analog_init_device(struct analog_port *port, struct analog *analog, int index) +{ + struct input_dev *input_dev; + int i, j, t, v, w, x, y, z; + int error; + + analog_name(analog); + snprintf(analog->phys, sizeof(analog->phys), + "%s/input%d", port->gameport->phys, index); + analog->buttons = (analog->mask & ANALOG_GAMEPAD) ? analog_pad_btn : analog_joy_btn; + + analog->dev = input_dev = input_allocate_device(); + if (!input_dev) + return -ENOMEM; + + input_dev->name = analog->name; + input_dev->phys = analog->phys; + input_dev->id.bustype = BUS_GAMEPORT; + input_dev->id.vendor = GAMEPORT_ID_VENDOR_ANALOG; + input_dev->id.product = analog->mask >> 4; + input_dev->id.version = 0x0100; + input_dev->dev.parent = &port->gameport->dev; + + input_set_drvdata(input_dev, port); + + input_dev->open = analog_open; + input_dev->close = analog_close; + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + + for (i = j = 0; i < 4; i++) + if (analog->mask & (1 << i)) { + + t = analog_axes[j]; + x = port->axes[i]; + y = (port->axes[0] + port->axes[1]) >> 1; + z = y - port->axes[i]; + z = z > 0 ? z : -z; + v = (x >> 3); + w = (x >> 3); + + if ((i == 2 || i == 3) && (j == 2 || j == 3) && (z > (y >> 3))) + x = y; + + if (analog->mask & ANALOG_SAITEK) { + if (i == 2) x = port->axes[i]; + v = x - (x >> 2); + w = (x >> 4); + } + + input_set_abs_params(input_dev, t, v, (x << 1) - v, port->fuzz, w); + j++; + } + + for (i = j = 0; i < 3; i++) + if (analog->mask & analog_exts[i]) + for (x = 0; x < 2; x++) { + t = analog_hats[j++]; + input_set_abs_params(input_dev, t, -1, 1, 0, 0); + } + + for (i = j = 0; i < 4; i++) + if (analog->mask & (0x10 << i)) + set_bit(analog->buttons[j++], input_dev->keybit); + + if (analog->mask & ANALOG_BTNS_CHF) + for (i = 0; i < 2; i++) + set_bit(analog->buttons[j++], input_dev->keybit); + + if (analog->mask & ANALOG_HBTN_CHF) + for (i = 0; i < 4; i++) + set_bit(analog->buttons[j++], input_dev->keybit); + + for (i = 0; i < 4; i++) + if (analog->mask & (ANALOG_BTN_TL << i)) + set_bit(analog_pads[i], input_dev->keybit); + + analog_decode(analog, port->axes, port->initial, port->buttons); + + error = input_register_device(analog->dev); + if (error) { + input_free_device(analog->dev); + return error; + } + + return 0; +} + +/* + * analog_init_devices() sets up device-specific values and registers the input devices. + */ + +static int analog_init_masks(struct analog_port *port) +{ + int i; + struct analog *analog = port->analog; + int max[4]; + + if (!port->mask) + return -1; + + if ((port->mask & 3) != 3 && port->mask != 0xc) { + printk(KERN_WARNING "analog.c: Unknown joystick device found " + "(data=%#x, %s), probably not analog joystick.\n", + port->mask, port->gameport->phys); + return -1; + } + + + i = analog_options[0]; /* FIXME !!! - need to specify options for different ports */ + + analog[0].mask = i & 0xfffff; + + analog[0].mask &= ~(ANALOG_AXES_STD | ANALOG_HAT_FCS | ANALOG_BTNS_GAMEPAD) + | port->mask | ((port->mask << 8) & ANALOG_HAT_FCS) + | ((port->mask << 10) & ANALOG_BTNS_TLR) | ((port->mask << 12) & ANALOG_BTNS_TLR2); + + analog[0].mask &= ~(ANALOG_HAT2_CHF) + | ((analog[0].mask & ANALOG_HBTN_CHF) ? 0 : ANALOG_HAT2_CHF); + + analog[0].mask &= ~(ANALOG_THROTTLE | ANALOG_BTN_TR | ANALOG_BTN_TR2) + | ((~analog[0].mask & ANALOG_HAT_FCS) >> 8) + | ((~analog[0].mask & ANALOG_HAT_FCS) << 2) + | ((~analog[0].mask & ANALOG_HAT_FCS) << 4); + + analog[0].mask &= ~(ANALOG_THROTTLE | ANALOG_RUDDER) + | (((~analog[0].mask & ANALOG_BTNS_TLR ) >> 10) + & ((~analog[0].mask & ANALOG_BTNS_TLR2) >> 12)); + + analog[1].mask = ((i >> 20) & 0xff) | ((i >> 12) & 0xf0000); + + analog[1].mask &= (analog[0].mask & ANALOG_EXTENSIONS) ? ANALOG_GAMEPAD + : (((ANALOG_BTNS_STD | port->mask) & ~analog[0].mask) | ANALOG_GAMEPAD); + + if (port->cooked) { + + for (i = 0; i < 4; i++) max[i] = port->axes[i] << 1; + + if ((analog[0].mask & 0x7) == 0x7) max[2] = (max[0] + max[1]) >> 1; + if ((analog[0].mask & 0xb) == 0xb) max[3] = (max[0] + max[1]) >> 1; + if ((analog[0].mask & ANALOG_BTN_TL) && !(analog[0].mask & ANALOG_BTN_TL2)) max[2] >>= 1; + if ((analog[0].mask & ANALOG_BTN_TR) && !(analog[0].mask & ANALOG_BTN_TR2)) max[3] >>= 1; + if ((analog[0].mask & ANALOG_HAT_FCS)) max[3] >>= 1; + + gameport_calibrate(port->gameport, port->axes, max); + } + + for (i = 0; i < 4; i++) + port->initial[i] = port->axes[i]; + + return -!(analog[0].mask || analog[1].mask); +} + +static int analog_init_port(struct gameport *gameport, struct gameport_driver *drv, struct analog_port *port) +{ + int i, t, u, v; + + port->gameport = gameport; + + gameport_set_drvdata(gameport, port); + + if (!gameport_open(gameport, drv, GAMEPORT_MODE_RAW)) { + + analog_calibrate_timer(port); + + gameport_trigger(gameport); + t = gameport_read(gameport); + msleep(ANALOG_MAX_TIME); + port->mask = (gameport_read(gameport) ^ t) & t & 0xf; + port->fuzz = (port->speed * ANALOG_FUZZ_MAGIC) / port->loop / 1000 + ANALOG_FUZZ_BITS; + + for (i = 0; i < ANALOG_INIT_RETRIES; i++) { + if (!analog_cooked_read(port)) + break; + msleep(ANALOG_MAX_TIME); + } + + u = v = 0; + + msleep(ANALOG_MAX_TIME); + t = gameport_time(gameport, ANALOG_MAX_TIME * 1000); + gameport_trigger(gameport); + while ((gameport_read(port->gameport) & port->mask) && (u < t)) + u++; + udelay(ANALOG_SAITEK_DELAY); + t = gameport_time(gameport, ANALOG_SAITEK_TIME); + gameport_trigger(gameport); + while ((gameport_read(port->gameport) & port->mask) && (v < t)) + v++; + + if (v < (u >> 1)) { /* FIXME - more than one port */ + analog_options[0] |= /* FIXME - more than one port */ + ANALOG_SAITEK | ANALOG_BTNS_CHF | ANALOG_HBTN_CHF | ANALOG_HAT1_CHF; + return 0; + } + + gameport_close(gameport); + } + + if (!gameport_open(gameport, drv, GAMEPORT_MODE_COOKED)) { + + for (i = 0; i < ANALOG_INIT_RETRIES; i++) + if (!gameport_cooked_read(gameport, port->axes, &port->buttons)) + break; + for (i = 0; i < 4; i++) + if (port->axes[i] != -1) + port->mask |= 1 << i; + + port->fuzz = gameport->fuzz; + port->cooked = 1; + return 0; + } + + return gameport_open(gameport, drv, GAMEPORT_MODE_RAW); +} + +static int analog_connect(struct gameport *gameport, struct gameport_driver *drv) +{ + struct analog_port *port; + int i; + int err; + + if (!(port = kzalloc(sizeof(struct analog_port), GFP_KERNEL))) + return - ENOMEM; + + err = analog_init_port(gameport, drv, port); + if (err) + goto fail1; + + err = analog_init_masks(port); + if (err) + goto fail2; + + gameport_set_poll_handler(gameport, analog_poll); + gameport_set_poll_interval(gameport, 10); + + for (i = 0; i < 2; i++) + if (port->analog[i].mask) { + err = analog_init_device(port, port->analog + i, i); + if (err) + goto fail3; + } + + return 0; + + fail3: while (--i >= 0) + if (port->analog[i].mask) + input_unregister_device(port->analog[i].dev); + fail2: gameport_close(gameport); + fail1: gameport_set_drvdata(gameport, NULL); + kfree(port); + return err; +} + +static void analog_disconnect(struct gameport *gameport) +{ + struct analog_port *port = gameport_get_drvdata(gameport); + int i; + + for (i = 0; i < 2; i++) + if (port->analog[i].mask) + input_unregister_device(port->analog[i].dev); + gameport_close(gameport); + gameport_set_drvdata(gameport, NULL); + printk(KERN_INFO "analog.c: %d out of %d reads (%d%%) on %s failed\n", + port->bads, port->reads, port->reads ? (port->bads * 100 / port->reads) : 0, + port->gameport->phys); + kfree(port); +} + +struct analog_types { + char *name; + int value; +}; + +static struct analog_types analog_types[] = { + { "none", 0x00000000 }, + { "auto", 0x000000ff }, + { "2btn", 0x0000003f }, + { "y-joy", 0x0cc00033 }, + { "y-pad", 0x8cc80033 }, + { "fcs", 0x000008f7 }, + { "chf", 0x000002ff }, + { "fullchf", 0x000007ff }, + { "gamepad", 0x000830f3 }, + { "gamepad8", 0x0008f0f3 }, + { NULL, 0 } +}; + +static void analog_parse_options(void) +{ + int i, j; + char *end; + + for (i = 0; i < js_nargs; i++) { + + for (j = 0; analog_types[j].name; j++) + if (!strcmp(analog_types[j].name, js[i])) { + analog_options[i] = analog_types[j].value; + break; + } + if (analog_types[j].name) continue; + + analog_options[i] = simple_strtoul(js[i], &end, 0); + if (end != js[i]) continue; + + analog_options[i] = 0xff; + if (!strlen(js[i])) continue; + + printk(KERN_WARNING "analog.c: Bad config for port %d - \"%s\"\n", i, js[i]); + } + + for (; i < ANALOG_PORTS; i++) + analog_options[i] = 0xff; +} + +/* + * The gameport device structure. + */ + +static struct gameport_driver analog_drv = { + .driver = { + .name = "analog", + }, + .description = DRIVER_DESC, + .connect = analog_connect, + .disconnect = analog_disconnect, +}; + +static int __init analog_init(void) +{ + analog_parse_options(); + return gameport_register_driver(&analog_drv); +} + +static void __exit analog_exit(void) +{ + gameport_unregister_driver(&analog_drv); +} + +module_init(analog_init); +module_exit(analog_exit); diff --git a/drivers/input/joystick/cobra.c b/drivers/input/joystick/cobra.c new file mode 100644 index 0000000..3497b87 --- /dev/null +++ b/drivers/input/joystick/cobra.c @@ -0,0 +1,275 @@ +/* + * Copyright (c) 1999-2001 Vojtech Pavlik + */ + +/* + * Creative Labs Blaster GamePad Cobra driver for Linux + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/gameport.h> +#include <linux/input.h> +#include <linux/jiffies.h> + +#define DRIVER_DESC "Creative Labs Blaster GamePad Cobra driver" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +#define COBRA_MAX_STROBE 45 /* 45 us max wait for first strobe */ +#define COBRA_LENGTH 36 + +static int cobra_btn[] = { BTN_START, BTN_SELECT, BTN_TL, BTN_TR, BTN_X, BTN_Y, BTN_Z, BTN_A, BTN_B, BTN_C, BTN_TL2, BTN_TR2, 0 }; + +struct cobra { + struct gameport *gameport; + struct input_dev *dev[2]; + int reads; + int bads; + unsigned char exists; + char phys[2][32]; +}; + +static unsigned char cobra_read_packet(struct gameport *gameport, unsigned int *data) +{ + unsigned long flags; + unsigned char u, v, w; + __u64 buf[2]; + int r[2], t[2]; + int i, j, ret; + + int strobe = gameport_time(gameport, COBRA_MAX_STROBE); + + for (i = 0; i < 2; i++) { + r[i] = buf[i] = 0; + t[i] = COBRA_MAX_STROBE; + } + + local_irq_save(flags); + + u = gameport_read(gameport); + + do { + t[0]--; t[1]--; + v = gameport_read(gameport); + for (i = 0, w = u ^ v; i < 2 && w; i++, w >>= 2) + if (w & 0x30) { + if ((w & 0x30) < 0x30 && r[i] < COBRA_LENGTH && t[i] > 0) { + buf[i] |= (__u64)((w >> 5) & 1) << r[i]++; + t[i] = strobe; + u = v; + } else t[i] = 0; + } + } while (t[0] > 0 || t[1] > 0); + + local_irq_restore(flags); + + ret = 0; + + for (i = 0; i < 2; i++) { + + if (r[i] != COBRA_LENGTH) continue; + + for (j = 0; j < COBRA_LENGTH && (buf[i] & 0x04104107f) ^ 0x041041040; j++) + buf[i] = (buf[i] >> 1) | ((__u64)(buf[i] & 1) << (COBRA_LENGTH - 1)); + + if (j < COBRA_LENGTH) ret |= (1 << i); + + data[i] = ((buf[i] >> 7) & 0x000001f) | ((buf[i] >> 8) & 0x00003e0) + | ((buf[i] >> 9) & 0x0007c00) | ((buf[i] >> 10) & 0x00f8000) + | ((buf[i] >> 11) & 0x1f00000); + + } + + return ret; +} + +static void cobra_poll(struct gameport *gameport) +{ + struct cobra *cobra = gameport_get_drvdata(gameport); + struct input_dev *dev; + unsigned int data[2]; + int i, j, r; + + cobra->reads++; + + if ((r = cobra_read_packet(gameport, data)) != cobra->exists) { + cobra->bads++; + return; + } + + for (i = 0; i < 2; i++) + if (cobra->exists & r & (1 << i)) { + + dev = cobra->dev[i]; + + input_report_abs(dev, ABS_X, ((data[i] >> 4) & 1) - ((data[i] >> 3) & 1)); + input_report_abs(dev, ABS_Y, ((data[i] >> 2) & 1) - ((data[i] >> 1) & 1)); + + for (j = 0; cobra_btn[j]; j++) + input_report_key(dev, cobra_btn[j], data[i] & (0x20 << j)); + + input_sync(dev); + + } +} + +static int cobra_open(struct input_dev *dev) +{ + struct cobra *cobra = input_get_drvdata(dev); + + gameport_start_polling(cobra->gameport); + return 0; +} + +static void cobra_close(struct input_dev *dev) +{ + struct cobra *cobra = input_get_drvdata(dev); + + gameport_stop_polling(cobra->gameport); +} + +static int cobra_connect(struct gameport *gameport, struct gameport_driver *drv) +{ + struct cobra *cobra; + struct input_dev *input_dev; + unsigned int data[2]; + int i, j; + int err; + + cobra = kzalloc(sizeof(struct cobra), GFP_KERNEL); + if (!cobra) + return -ENOMEM; + + cobra->gameport = gameport; + + gameport_set_drvdata(gameport, cobra); + + err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW); + if (err) + goto fail1; + + cobra->exists = cobra_read_packet(gameport, data); + + for (i = 0; i < 2; i++) + if ((cobra->exists >> i) & data[i] & 1) { + printk(KERN_WARNING "cobra.c: Device %d on %s has the Ext bit set. ID is: %d" + " Contact vojtech@ucw.cz\n", i, gameport->phys, (data[i] >> 2) & 7); + cobra->exists &= ~(1 << i); + } + + if (!cobra->exists) { + err = -ENODEV; + goto fail2; + } + + gameport_set_poll_handler(gameport, cobra_poll); + gameport_set_poll_interval(gameport, 20); + + for (i = 0; i < 2; i++) { + if (~(cobra->exists >> i) & 1) + continue; + + cobra->dev[i] = input_dev = input_allocate_device(); + if (!input_dev) { + err = -ENOMEM; + goto fail3; + } + + snprintf(cobra->phys[i], sizeof(cobra->phys[i]), + "%s/input%d", gameport->phys, i); + + input_dev->name = "Creative Labs Blaster GamePad Cobra"; + input_dev->phys = cobra->phys[i]; + input_dev->id.bustype = BUS_GAMEPORT; + input_dev->id.vendor = GAMEPORT_ID_VENDOR_CREATIVE; + input_dev->id.product = 0x0008; + input_dev->id.version = 0x0100; + input_dev->dev.parent = &gameport->dev; + + input_set_drvdata(input_dev, cobra); + + input_dev->open = cobra_open; + input_dev->close = cobra_close; + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + input_set_abs_params(input_dev, ABS_X, -1, 1, 0, 0); + input_set_abs_params(input_dev, ABS_Y, -1, 1, 0, 0); + for (j = 0; cobra_btn[j]; j++) + set_bit(cobra_btn[j], input_dev->keybit); + + err = input_register_device(cobra->dev[i]); + if (err) + goto fail4; + } + + return 0; + + fail4: input_free_device(cobra->dev[i]); + fail3: while (--i >= 0) + if (cobra->dev[i]) + input_unregister_device(cobra->dev[i]); + fail2: gameport_close(gameport); + fail1: gameport_set_drvdata(gameport, NULL); + kfree(cobra); + return err; +} + +static void cobra_disconnect(struct gameport *gameport) +{ + struct cobra *cobra = gameport_get_drvdata(gameport); + int i; + + for (i = 0; i < 2; i++) + if ((cobra->exists >> i) & 1) + input_unregister_device(cobra->dev[i]); + gameport_close(gameport); + gameport_set_drvdata(gameport, NULL); + kfree(cobra); +} + +static struct gameport_driver cobra_drv = { + .driver = { + .name = "cobra", + }, + .description = DRIVER_DESC, + .connect = cobra_connect, + .disconnect = cobra_disconnect, +}; + +static int __init cobra_init(void) +{ + return gameport_register_driver(&cobra_drv); +} + +static void __exit cobra_exit(void) +{ + gameport_unregister_driver(&cobra_drv); +} + +module_init(cobra_init); +module_exit(cobra_exit); diff --git a/drivers/input/joystick/db9.c b/drivers/input/joystick/db9.c new file mode 100644 index 0000000..5239594 --- /dev/null +++ b/drivers/input/joystick/db9.c @@ -0,0 +1,719 @@ +/* + * Copyright (c) 1999-2001 Vojtech Pavlik + * + * Based on the work of: + * Andree Borrmann Mats Sjövall + */ + +/* + * Atari, Amstrad, Commodore, Amiga, Sega, etc. joystick driver for Linux + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/parport.h> +#include <linux/input.h> +#include <linux/mutex.h> + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION("Atari, Amstrad, Commodore, Amiga, Sega, etc. joystick driver"); +MODULE_LICENSE("GPL"); + +struct db9_config { + int args[2]; + unsigned int nargs; +}; + +#define DB9_MAX_PORTS 3 +static struct db9_config db9_cfg[DB9_MAX_PORTS] __initdata; + +module_param_array_named(dev, db9_cfg[0].args, int, &db9_cfg[0].nargs, 0); +MODULE_PARM_DESC(dev, "Describes first attached device (<parport#>,<type>)"); +module_param_array_named(dev2, db9_cfg[1].args, int, &db9_cfg[1].nargs, 0); +MODULE_PARM_DESC(dev2, "Describes second attached device (<parport#>,<type>)"); +module_param_array_named(dev3, db9_cfg[2].args, int, &db9_cfg[2].nargs, 0); +MODULE_PARM_DESC(dev3, "Describes third attached device (<parport#>,<type>)"); + +#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 +#define DB9_GENESIS5_PAD 0x05 +#define DB9_GENESIS6_PAD 0x06 +#define DB9_SATURN_PAD 0x07 +#define DB9_MULTI_0802 0x08 +#define DB9_MULTI_0802_2 0x09 +#define DB9_CD32_PAD 0x0A +#define DB9_SATURN_DPP 0x0B +#define DB9_SATURN_DPP_2 0x0C +#define DB9_MAX_PAD 0x0D + +#define DB9_UP 0x01 +#define DB9_DOWN 0x02 +#define DB9_LEFT 0x04 +#define DB9_RIGHT 0x08 +#define DB9_FIRE1 0x10 +#define DB9_FIRE2 0x20 +#define DB9_FIRE3 0x40 +#define DB9_FIRE4 0x80 + +#define DB9_NORMAL 0x0a +#define DB9_NOSELECT 0x08 + +#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 timer_list timer; + struct pardevice *pd; + int mode; + int used; + struct mutex mutex; + char phys[DB9_MAX_DEVICES][32]; +}; + +static struct db9 *db9_base[3]; + +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 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 + */ +#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 *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++) { + dev = devs[n]; + switch (data[j]) { + case 0x16: /* multi controller (analog 4 axis) */ + input_report_abs(dev, db9_abs[5], data[j + 6]); + case 0x15: /* mission stick (analog 3 axis) */ + 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, db9_abs[0], 0); + input_report_abs(dev, db9_abs[1], 0); + for (i = 0; i < 9; i++) + input_report_key(dev, db9_cd32_btn[i], 0); + break; + } + } + return n; +} + +static int db9_saturn(int mode, struct parport *port, struct input_dev *devs[]) +{ + 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_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, devs, tmp, max_pads); + } + return 0; +} + +static void db9_timer(unsigned long private) +{ + struct db9 *db9 = (void *) private; + struct parport *port = db9->pd->port; + struct input_dev *dev = db9->dev[0]; + struct input_dev *dev2 = db9->dev[1]; + int data, i; + + switch (db9->mode) { + case DB9_MULTI_0802_2: + + data = parport_read_data(port) >> 3; + + 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: + + data = parport_read_status(port) >> 3; + + 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)); + input_report_key(dev, BTN_TRIGGER, data & DB9_FIRE1); + break; + + case DB9_MULTI_STICK: + + 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)); + input_report_key(dev, BTN_TRIGGER, ~data & DB9_FIRE1); + break; + + case DB9_MULTI2_STICK: + + 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)); + input_report_key(dev, BTN_TRIGGER, ~data & DB9_FIRE1); + input_report_key(dev, BTN_THUMB, ~data & DB9_FIRE2); + break; + + case DB9_GENESIS_PAD: + + parport_write_control(port, DB9_NOSELECT); + 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)); + input_report_key(dev, BTN_B, ~data & DB9_FIRE1); + input_report_key(dev, BTN_C, ~data & DB9_FIRE2); + + parport_write_control(port, DB9_NORMAL); + data = parport_read_data(port); + + input_report_key(dev, BTN_A, ~data & DB9_FIRE1); + input_report_key(dev, BTN_START, ~data & DB9_FIRE2); + break; + + case DB9_GENESIS5_PAD: + + parport_write_control(port, DB9_NOSELECT); + 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)); + input_report_key(dev, BTN_B, ~data & DB9_FIRE1); + input_report_key(dev, BTN_C, ~data & DB9_FIRE2); + + parport_write_control(port, DB9_NORMAL); + data = parport_read_data(port); + + input_report_key(dev, BTN_A, ~data & DB9_FIRE1); + input_report_key(dev, BTN_X, ~data & DB9_FIRE2); + input_report_key(dev, BTN_Y, ~data & DB9_LEFT); + input_report_key(dev, BTN_START, ~data & DB9_RIGHT); + break; + + case DB9_GENESIS6_PAD: + + parport_write_control(port, DB9_NOSELECT); /* 1 */ + udelay(DB9_GENESIS6_DELAY); + 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)); + input_report_key(dev, BTN_B, ~data & DB9_FIRE1); + input_report_key(dev, BTN_C, ~data & DB9_FIRE2); + + parport_write_control(port, DB9_NORMAL); + udelay(DB9_GENESIS6_DELAY); + data = parport_read_data(port); + + input_report_key(dev, BTN_A, ~data & DB9_FIRE1); + input_report_key(dev, BTN_START, ~data & DB9_FIRE2); + + parport_write_control(port, DB9_NOSELECT); /* 2 */ + udelay(DB9_GENESIS6_DELAY); + parport_write_control(port, DB9_NORMAL); + udelay(DB9_GENESIS6_DELAY); + parport_write_control(port, DB9_NOSELECT); /* 3 */ + udelay(DB9_GENESIS6_DELAY); + data=parport_read_data(port); + + input_report_key(dev, BTN_X, ~data & DB9_LEFT); + input_report_key(dev, BTN_Y, ~data & DB9_DOWN); + input_report_key(dev, BTN_Z, ~data & DB9_UP); + input_report_key(dev, BTN_MODE, ~data & DB9_RIGHT); + + parport_write_control(port, DB9_NORMAL); + udelay(DB9_GENESIS6_DELAY); + parport_write_control(port, DB9_NOSELECT); /* 4 */ + udelay(DB9_GENESIS6_DELAY); + parport_write_control(port, DB9_NORMAL); + break; + + case DB9_SATURN_PAD: + case DB9_SATURN_DPP: + case DB9_SATURN_DPP_2: + + db9_saturn(db9->mode, port, db9->dev); + break; + + case DB9_CD32_PAD: + + 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, 0x0a); + + for (i = 0; i < 7; i++) { + data = parport_read_data(port); + 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; + } + + input_sync(dev); + + mod_timer(&db9->timer, jiffies + DB9_REFRESH_TIME); +} + +static int db9_open(struct input_dev *dev) +{ + struct db9 *db9 = input_get_drvdata(dev); + 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_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; +} + +static void db9_close(struct input_dev *dev) +{ + struct db9 *db9 = input_get_drvdata(dev); + struct parport *port = db9->pd->port; + + mutex_lock(&db9->mutex); + if (!--db9->used) { + 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 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 (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; + } + + db9_mode = &db9_modes[mode]; + + pp = parport_find_number(parport); + if (!pp) { + printk(KERN_ERR "db9.c: no such parport\n"); + err = -ENODEV; + goto err_out; + } + + 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; + } + + db9 = kzalloc(sizeof(struct db9), GFP_KERNEL); + if (!db9) { + printk(KERN_ERR "db9.c: Not enough memory\n"); + err = -ENOMEM; + goto err_unreg_pardev; + } + + mutex_init(&db9->mutex); + db9->pd = pd; + db9->mode = mode; + init_timer(&db9->timer); + db9->timer.data = (long) db9; + db9->timer.function = db9_timer; + + for (i = 0; i < (min(db9_mode->n_pads, DB9_MAX_DEVICES)); i++) { + + 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; + } + + 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_set_drvdata(input_dev, db9); + + input_dev->open = db9_open; + input_dev->close = db9_close; + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(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); + } + + 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) +{ + int i; + int have_dev = 0; + int err = 0; + + for (i = 0; i < DB9_MAX_PORTS; i++) { + if (db9_cfg[i].nargs == 0 || db9_cfg[i].args[DB9_ARG_PARPORT] < 0) + continue; + + if (db9_cfg[i].nargs < 2) { + printk(KERN_ERR "db9.c: Device type must be specified.\n"); + err = -EINVAL; + break; + } + + db9_base[i] = db9_probe(db9_cfg[i].args[DB9_ARG_PARPORT], + db9_cfg[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; + + for (i = 0; i < DB9_MAX_PORTS; i++) + if (db9_base[i]) + db9_remove(db9_base[i]); +} + +module_init(db9_init); +module_exit(db9_exit); diff --git a/drivers/input/joystick/gamecon.c b/drivers/input/joystick/gamecon.c new file mode 100644 index 0000000..07a32af --- /dev/null +++ b/drivers/input/joystick/gamecon.c @@ -0,0 +1,851 @@ +/* + * NES, SNES, N64, MultiSystem, PSX gamepad driver for Linux + * + * Copyright (c) 1999-2004 Vojtech Pavlik <vojtech@suse.cz> + * Copyright (c) 2004 Peter Nelson <rufus-kernel@hackish.org> + * + * Based on the work of: + * Andree Borrmann John Dahlstrom + * David Kuder Nathan Hand + * Raphael Assenat + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/parport.h> +#include <linux/input.h> +#include <linux/mutex.h> + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION("NES, SNES, N64, MultiSystem, PSX gamepad driver"); +MODULE_LICENSE("GPL"); + +#define GC_MAX_PORTS 3 +#define GC_MAX_DEVICES 5 + +struct gc_config { + int args[GC_MAX_DEVICES + 1]; + unsigned int nargs; +}; + +static struct gc_config gc_cfg[GC_MAX_PORTS] __initdata; + +module_param_array_named(map, gc_cfg[0].args, int, &gc_cfg[0].nargs, 0); +MODULE_PARM_DESC(map, "Describes first set of devices (<parport#>,<pad1>,<pad2>,..<pad5>)"); +module_param_array_named(map2, gc_cfg[1].args, int, &gc_cfg[1].nargs, 0); +MODULE_PARM_DESC(map2, "Describes second set of devices"); +module_param_array_named(map3, gc_cfg[2].args, int, &gc_cfg[2].nargs, 0); +MODULE_PARM_DESC(map3, "Describes third set of devices"); + +/* see also gs_psx_delay parameter in PSX support section */ + +#define GC_SNES 1 +#define GC_NES 2 +#define GC_NES4 3 +#define GC_MULTI 4 +#define GC_MULTI2 5 +#define GC_N64 6 +#define GC_PSX 7 +#define GC_DDR 8 +#define GC_SNESMOUSE 9 + +#define GC_MAX 9 + +#define GC_REFRESH_TIME HZ/100 + +struct gc { + struct pardevice *pd; + struct input_dev *dev[GC_MAX_DEVICES]; + struct timer_list timer; + unsigned char pads[GC_MAX + 1]; + int used; + struct mutex mutex; + char phys[GC_MAX_DEVICES][32]; +}; + +static struct gc *gc_base[3]; + +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 controller", + "PSX DDR controller", "SNES mouse" }; +/* + * N64 support. + */ + +static unsigned char gc_n64_bytes[] = { 0, 1, 13, 15, 14, 12, 10, 11, 2, 3 }; +static short gc_n64_btn[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_TRIGGER, BTN_START }; + +#define GC_N64_LENGTH 32 /* N64 bit length, not including stop bit */ +#define GC_N64_REQUEST_LENGTH 37 /* transmit request sequence is 9 bits long */ +#define GC_N64_DELAY 133 /* delay between transmit request, and response ready (us) */ +#define GC_N64_REQUEST 0x1dd1111111ULL /* the request data command (encoded for 000000011) */ +#define GC_N64_DWS 3 /* delay between write segments (required for sound playback because of ISA DMA) */ + /* GC_N64_DWS > 24 is known to fail */ +#define GC_N64_POWER_W 0xe2 /* power during write (transmit request) */ +#define GC_N64_POWER_R 0xfd /* power during read */ +#define GC_N64_OUT 0x1d /* output bits to the 4 pads */ + /* Reading the main axes of any N64 pad is known to fail if the corresponding bit */ + /* in GC_N64_OUT is pulled low on the output port (by any routine) for more */ + /* than 123 us */ +#define GC_N64_CLOCK 0x02 /* clock bits for read */ + +/* + * gc_n64_read_packet() reads an N64 packet. + * Each pad uses one bit per byte. So all pads connected to this port are read in parallel. + */ + +static void gc_n64_read_packet(struct gc *gc, unsigned char *data) +{ + int i; + unsigned long flags; + +/* + * Request the pad to transmit data + */ + + local_irq_save(flags); + for (i = 0; i < GC_N64_REQUEST_LENGTH; i++) { + parport_write_data(gc->pd->port, GC_N64_POWER_W | ((GC_N64_REQUEST >> i) & 1 ? GC_N64_OUT : 0)); + udelay(GC_N64_DWS); + } + local_irq_restore(flags); + +/* + * Wait for the pad response to be loaded into the 33-bit register of the adapter + */ + + udelay(GC_N64_DELAY); + +/* + * Grab data (ignoring the last bit, which is a stop bit) + */ + + for (i = 0; i < GC_N64_LENGTH; i++) { + parport_write_data(gc->pd->port, GC_N64_POWER_R); + data[i] = parport_read_status(gc->pd->port); + parport_write_data(gc->pd->port, GC_N64_POWER_R | GC_N64_CLOCK); + } + +/* + * We must wait 200 ms here for the controller to reinitialize before the next read request. + * No worries as long as gc_read is polled less frequently than this. + */ + +} + +static void gc_n64_process_packet(struct gc *gc) +{ + unsigned char data[GC_N64_LENGTH]; + signed char axes[2]; + struct input_dev *dev; + int i, j, s; + + gc_n64_read_packet(gc, data); + + for (i = 0; i < GC_MAX_DEVICES; i++) { + + dev = gc->dev[i]; + if (!dev) + continue; + + s = gc_status_bit[i]; + + if (s & gc->pads[GC_N64] & ~(data[8] | data[9])) { + + axes[0] = axes[1] = 0; + + for (j = 0; j < 8; j++) { + if (data[23 - j] & s) + axes[0] |= 1 << j; + if (data[31 - j] & s) + axes[1] |= 1 << j; + } + + input_report_abs(dev, ABS_X, axes[0]); + input_report_abs(dev, ABS_Y, -axes[1]); + + input_report_abs(dev, ABS_HAT0X, !(s & data[6]) - !(s & data[7])); + input_report_abs(dev, ABS_HAT0Y, !(s & data[4]) - !(s & data[5])); + + for (j = 0; j < 10; j++) + input_report_key(dev, gc_n64_btn[j], s & data[gc_n64_bytes[j]]); + + input_sync(dev); + } + } +} + +/* + * NES/SNES support. + */ + +#define GC_NES_DELAY 6 /* Delay between bits - 6us */ +#define GC_NES_LENGTH 8 /* The NES pads use 8 bits of data */ +#define GC_SNES_LENGTH 12 /* The SNES true length is 16, but the + last 4 bits are unused */ +#define GC_SNESMOUSE_LENGTH 32 /* The SNES mouse uses 32 bits, the first + 16 bits are equivalent to a gamepad */ + +#define GC_NES_POWER 0xfc +#define GC_NES_CLOCK 0x01 +#define GC_NES_LATCH 0x02 + +static unsigned char gc_nes_bytes[] = { 0, 1, 2, 3 }; +static unsigned char gc_snes_bytes[] = { 8, 0, 2, 3, 9, 1, 10, 11 }; +static short gc_snes_btn[] = { BTN_A, BTN_B, BTN_SELECT, BTN_START, BTN_X, BTN_Y, BTN_TL, BTN_TR }; + +/* + * gc_nes_read_packet() reads a NES/SNES packet. + * Each pad uses one bit per byte. So all pads connected to + * this port are read in parallel. + */ + +static void gc_nes_read_packet(struct gc *gc, int length, unsigned char *data) +{ + int i; + + parport_write_data(gc->pd->port, GC_NES_POWER | GC_NES_CLOCK | GC_NES_LATCH); + udelay(GC_NES_DELAY * 2); + parport_write_data(gc->pd->port, GC_NES_POWER | GC_NES_CLOCK); + + for (i = 0; i < length; i++) { + udelay(GC_NES_DELAY); + parport_write_data(gc->pd->port, GC_NES_POWER); + data[i] = parport_read_status(gc->pd->port) ^ 0x7f; + udelay(GC_NES_DELAY); + parport_write_data(gc->pd->port, GC_NES_POWER | GC_NES_CLOCK); + } +} + +static void gc_nes_process_packet(struct gc *gc) +{ + unsigned char data[GC_SNESMOUSE_LENGTH]; + struct input_dev *dev; + int i, j, s, len; + char x_rel, y_rel; + + len = gc->pads[GC_SNESMOUSE] ? GC_SNESMOUSE_LENGTH : + (gc->pads[GC_SNES] ? GC_SNES_LENGTH : GC_NES_LENGTH); + + gc_nes_read_packet(gc, len, data); + + for (i = 0; i < GC_MAX_DEVICES; i++) { + + dev = gc->dev[i]; + if (!dev) + continue; + + s = gc_status_bit[i]; + + if (s & (gc->pads[GC_NES] | gc->pads[GC_SNES])) { + input_report_abs(dev, ABS_X, !(s & data[6]) - !(s & data[7])); + input_report_abs(dev, ABS_Y, !(s & data[4]) - !(s & data[5])); + } + + if (s & gc->pads[GC_NES]) + for (j = 0; j < 4; j++) + input_report_key(dev, gc_snes_btn[j], s & data[gc_nes_bytes[j]]); + + if (s & gc->pads[GC_SNES]) + for (j = 0; j < 8; j++) + input_report_key(dev, gc_snes_btn[j], s & data[gc_snes_bytes[j]]); + + if (s & gc->pads[GC_SNESMOUSE]) { + /* + * The 4 unused bits from SNES controllers appear to be ID bits + * so use them to make sure iwe are dealing with a mouse. + * gamepad is connected. This is important since + * my SNES gamepad sends 1's for bits 16-31, which + * cause the mouse pointer to quickly move to the + * upper left corner of the screen. + */ + if (!(s & data[12]) && !(s & data[13]) && + !(s & data[14]) && (s & data[15])) { + input_report_key(dev, BTN_LEFT, s & data[9]); + input_report_key(dev, BTN_RIGHT, s & data[8]); + + x_rel = y_rel = 0; + for (j = 0; j < 7; j++) { + x_rel <<= 1; + if (data[25 + j] & s) + x_rel |= 1; + + y_rel <<= 1; + if (data[17 + j] & s) + y_rel |= 1; + } + + if (x_rel) { + if (data[24] & s) + x_rel = -x_rel; + input_report_rel(dev, REL_X, x_rel); + } + + if (y_rel) { + if (data[16] & s) + y_rel = -y_rel; + input_report_rel(dev, REL_Y, y_rel); + } + } + } + input_sync(dev); + } +} + +/* + * Multisystem joystick support + */ + +#define GC_MULTI_LENGTH 5 /* Multi system joystick packet length is 5 */ +#define GC_MULTI2_LENGTH 6 /* One more bit for one more button */ + +/* + * gc_multi_read_packet() reads a Multisystem joystick packet. + */ + +static void gc_multi_read_packet(struct gc *gc, int length, unsigned char *data) +{ + int i; + + for (i = 0; i < length; i++) { + parport_write_data(gc->pd->port, ~(1 << i)); + data[i] = parport_read_status(gc->pd->port) ^ 0x7f; + } +} + +static void gc_multi_process_packet(struct gc *gc) +{ + unsigned char data[GC_MULTI2_LENGTH]; + struct input_dev *dev; + int i, s; + + gc_multi_read_packet(gc, gc->pads[GC_MULTI2] ? GC_MULTI2_LENGTH : GC_MULTI_LENGTH, data); + + for (i = 0; i < GC_MAX_DEVICES; i++) { + + dev = gc->dev[i]; + if (!dev) + continue; + + s = gc_status_bit[i]; + + if (s & (gc->pads[GC_MULTI] | gc->pads[GC_MULTI2])) { + input_report_abs(dev, ABS_X, !(s & data[2]) - !(s & data[3])); + input_report_abs(dev, ABS_Y, !(s & data[0]) - !(s & data[1])); + input_report_key(dev, BTN_TRIGGER, s & data[4]); + } + + if (s & gc->pads[GC_MULTI2]) + input_report_key(dev, BTN_THUMB, s & data[5]); + + input_sync(dev); + } +} + +/* + * PSX support + * + * 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 25 /* 25 usec */ +#define GC_PSX_LENGTH 8 /* talk to the controller in bits */ +#define GC_PSX_BYTES 6 /* the maximum number of bytes to read off the controller */ + +#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 2 */ +#define GC_PSX_POWER 0xf8 /* Pins 5-9 */ +#define GC_PSX_SELECT 0x02 /* Pin 3 */ + +#define GC_PSX_ID(x) ((x) >> 4) /* High nibble is device type */ +#define GC_PSX_LEN(x) (((x) & 0xf) << 1) /* Low nibble is length in bytes/2 */ + +static int gc_psx_delay = GC_PSX_DELAY; +module_param_named(psx_delay, gc_psx_delay, uint, 0); +MODULE_PARM_DESC(psx_delay, "Delay when accessing Sony PSX controller (usecs)"); + +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, + BTN_START, BTN_SELECT, BTN_THUMBL, BTN_THUMBR }; +static short gc_psx_ddr_btn[] = { BTN_0, BTN_1, BTN_2, BTN_3 }; + +/* + * gc_psx_command() writes 8bit command and reads 8bit data from + * the psx pad. + */ + +static void gc_psx_command(struct gc *gc, int b, unsigned char data[GC_MAX_DEVICES]) +{ + int i, j, cmd, read; + + for (i = 0; i < GC_MAX_DEVICES; i++) + data[i] = 0; + + for (i = 0; i < GC_PSX_LENGTH; i++, b >>= 1) { + cmd = (b & 1) ? GC_PSX_COMMAND : 0; + parport_write_data(gc->pd->port, cmd | GC_PSX_POWER); + udelay(gc_psx_delay); + read = parport_read_status(gc->pd->port) ^ 0x80; + for (j = 0; j < GC_MAX_DEVICES; j++) + data[j] |= (read & gc_status_bit[j] & (gc->pads[GC_PSX] | gc->pads[GC_DDR])) ? (1 << i) : 0; + parport_write_data(gc->pd->port, cmd | GC_PSX_CLOCK | GC_PSX_POWER); + udelay(gc_psx_delay); + } +} + +/* + * gc_psx_read_packet() reads a whole psx packet and returns + * device identifier code. + */ + +static void gc_psx_read_packet(struct gc *gc, unsigned char data[GC_MAX_DEVICES][GC_PSX_BYTES], + unsigned char id[GC_MAX_DEVICES]) +{ + int i, j, max_len = 0; + unsigned long flags; + unsigned char data2[GC_MAX_DEVICES]; + + parport_write_data(gc->pd->port, GC_PSX_CLOCK | GC_PSX_SELECT | GC_PSX_POWER); /* Select pad */ + udelay(gc_psx_delay); + parport_write_data(gc->pd->port, GC_PSX_CLOCK | GC_PSX_POWER); /* Deselect, begin command */ + udelay(gc_psx_delay); + + local_irq_save(flags); + + gc_psx_command(gc, 0x01, data2); /* Access pad */ + gc_psx_command(gc, 0x42, id); /* Get device ids */ + gc_psx_command(gc, 0, data2); /* Dump status */ + + for (i =0; i < GC_MAX_DEVICES; i++) /* Find the longest pad */ + if((gc_status_bit[i] & (gc->pads[GC_PSX] | gc->pads[GC_DDR])) + && (GC_PSX_LEN(id[i]) > max_len) + && (GC_PSX_LEN(id[i]) <= GC_PSX_BYTES)) + max_len = GC_PSX_LEN(id[i]); + + for (i = 0; i < max_len; i++) { /* Read in all the data */ + gc_psx_command(gc, 0, data2); + for (j = 0; j < GC_MAX_DEVICES; j++) + data[j][i] = data2[j]; + } + + local_irq_restore(flags); + + parport_write_data(gc->pd->port, GC_PSX_CLOCK | GC_PSX_SELECT | GC_PSX_POWER); + + for(i = 0; i < GC_MAX_DEVICES; i++) /* Set id's to the real value */ + id[i] = GC_PSX_ID(id[i]); +} + +static void gc_psx_process_packet(struct gc *gc) +{ + unsigned char data[GC_MAX_DEVICES][GC_PSX_BYTES]; + unsigned char id[GC_MAX_DEVICES]; + struct input_dev *dev; + int i, j; + + gc_psx_read_packet(gc, data, id); + + for (i = 0; i < GC_MAX_DEVICES; i++) { + + dev = gc->dev[i]; + if (!dev) + continue; + + switch (id[i]) { + + case GC_PSX_RUMBLE: + + input_report_key(dev, BTN_THUMBL, ~data[i][0] & 0x04); + input_report_key(dev, BTN_THUMBR, ~data[i][0] & 0x02); + + case GC_PSX_NEGCON: + case GC_PSX_ANALOG: + + if (gc->pads[GC_DDR] & gc_status_bit[i]) { + for(j = 0; j < 4; j++) + input_report_key(dev, gc_psx_ddr_btn[j], ~data[i][0] & (0x10 << j)); + } else { + for (j = 0; j < 4; j++) + input_report_abs(dev, gc_psx_abs[j + 2], data[i][j + 2]); + + input_report_abs(dev, ABS_X, 128 + !(data[i][0] & 0x20) * 127 - !(data[i][0] & 0x80) * 128); + input_report_abs(dev, ABS_Y, 128 + !(data[i][0] & 0x40) * 127 - !(data[i][0] & 0x10) * 128); + } + + for (j = 0; j < 8; j++) + input_report_key(dev, gc_psx_btn[j], ~data[i][1] & (1 << j)); + + input_report_key(dev, BTN_START, ~data[i][0] & 0x08); + input_report_key(dev, BTN_SELECT, ~data[i][0] & 0x01); + + input_sync(dev); + + break; + + case GC_PSX_NORMAL: + if (gc->pads[GC_DDR] & gc_status_bit[i]) { + for(j = 0; j < 4; j++) + input_report_key(dev, gc_psx_ddr_btn[j], ~data[i][0] & (0x10 << j)); + } else { + input_report_abs(dev, ABS_X, 128 + !(data[i][0] & 0x20) * 127 - !(data[i][0] & 0x80) * 128); + input_report_abs(dev, ABS_Y, 128 + !(data[i][0] & 0x40) * 127 - !(data[i][0] & 0x10) * 128); + + /* for some reason if the extra axes are left unset they drift */ + /* for (j = 0; j < 4; j++) + input_report_abs(dev, gc_psx_abs[j + 2], 128); + * This needs to be debugged properly, + * maybe fuzz processing needs to be done in input_sync() + * --vojtech + */ + } + + for (j = 0; j < 8; j++) + input_report_key(dev, gc_psx_btn[j], ~data[i][1] & (1 << j)); + + input_report_key(dev, BTN_START, ~data[i][0] & 0x08); + input_report_key(dev, BTN_SELECT, ~data[i][0] & 0x01); + + input_sync(dev); + + break; + + case 0: /* not a pad, ignore */ + break; + } + } +} + +/* + * gc_timer() initiates reads of console pads data. + */ + +static void gc_timer(unsigned long private) +{ + struct gc *gc = (void *) private; + +/* + * N64 pads - must be read first, any read confuses them for 200 us + */ + + if (gc->pads[GC_N64]) + gc_n64_process_packet(gc); + +/* + * NES and SNES pads or mouse + */ + + if (gc->pads[GC_NES] || gc->pads[GC_SNES] || gc->pads[GC_SNESMOUSE]) + gc_nes_process_packet(gc); + +/* + * Multi and Multi2 joysticks + */ + + if (gc->pads[GC_MULTI] || gc->pads[GC_MULTI2]) + gc_multi_process_packet(gc); + +/* + * PSX controllers + */ + + if (gc->pads[GC_PSX] || gc->pads[GC_DDR]) + gc_psx_process_packet(gc); + + mod_timer(&gc->timer, jiffies + GC_REFRESH_TIME); +} + +static int gc_open(struct input_dev *dev) +{ + struct gc *gc = input_get_drvdata(dev); + int err; + + err = mutex_lock_interruptible(&gc->mutex); + if (err) + return err; + + if (!gc->used++) { + parport_claim(gc->pd); + parport_write_control(gc->pd->port, 0x04); + mod_timer(&gc->timer, jiffies + GC_REFRESH_TIME); + } + + mutex_unlock(&gc->mutex); + return 0; +} + +static void gc_close(struct input_dev *dev) +{ + struct gc *gc = input_get_drvdata(dev); + + mutex_lock(&gc->mutex); + if (!--gc->used) { + del_timer_sync(&gc->timer); + parport_write_control(gc->pd->port, 0x00); + parport_release(gc->pd); + } + mutex_unlock(&gc->mutex); +} + +static int __init gc_setup_pad(struct gc *gc, int idx, int pad_type) +{ + struct input_dev *input_dev; + int i; + + if (!pad_type) + return 0; + + if (pad_type < 1 || pad_type > GC_MAX) { + printk(KERN_WARNING "gamecon.c: Pad type %d unknown\n", pad_type); + return -EINVAL; + } + + gc->dev[idx] = input_dev = input_allocate_device(); + if (!input_dev) { + printk(KERN_ERR "gamecon.c: Not enough memory for input device\n"); + return -ENOMEM; + } + + input_dev->name = gc_names[pad_type]; + input_dev->phys = gc->phys[idx]; + input_dev->id.bustype = BUS_PARPORT; + input_dev->id.vendor = 0x0001; + input_dev->id.product = pad_type; + input_dev->id.version = 0x0100; + + input_set_drvdata(input_dev, gc); + + input_dev->open = gc_open; + input_dev->close = gc_close; + + if (pad_type != GC_SNESMOUSE) { + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + + for (i = 0; i < 2; i++) + input_set_abs_params(input_dev, ABS_X + i, -1, 1, 0, 0); + } else + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL); + + gc->pads[0] |= gc_status_bit[idx]; + gc->pads[pad_type] |= gc_status_bit[idx]; + + switch (pad_type) { + + case GC_N64: + for (i = 0; i < 10; i++) + set_bit(gc_n64_btn[i], input_dev->keybit); + + for (i = 0; i < 2; i++) { + input_set_abs_params(input_dev, ABS_X + i, -127, 126, 0, 2); + input_set_abs_params(input_dev, ABS_HAT0X + i, -1, 1, 0, 0); + } + + break; + + case GC_SNESMOUSE: + set_bit(BTN_LEFT, input_dev->keybit); + set_bit(BTN_RIGHT, input_dev->keybit); + set_bit(REL_X, input_dev->relbit); + set_bit(REL_Y, input_dev->relbit); + break; + + case GC_SNES: + for (i = 4; i < 8; i++) + set_bit(gc_snes_btn[i], input_dev->keybit); + case GC_NES: + for (i = 0; i < 4; i++) + set_bit(gc_snes_btn[i], input_dev->keybit); + break; + + case GC_MULTI2: + set_bit(BTN_THUMB, input_dev->keybit); + case GC_MULTI: + set_bit(BTN_TRIGGER, input_dev->keybit); + break; + + case GC_PSX: + for (i = 0; i < 6; i++) + input_set_abs_params(input_dev, gc_psx_abs[i], 4, 252, 0, 2); + for (i = 0; i < 12; i++) + set_bit(gc_psx_btn[i], input_dev->keybit); + + break; + + case GC_DDR: + for (i = 0; i < 4; i++) + set_bit(gc_psx_ddr_btn[i], input_dev->keybit); + for (i = 0; i < 12; i++) + set_bit(gc_psx_btn[i], input_dev->keybit); + + break; + } + + return 0; +} + +static struct gc __init *gc_probe(int parport, int *pads, int n_pads) +{ + struct gc *gc; + struct parport *pp; + struct pardevice *pd; + int i; + int err; + + pp = parport_find_number(parport); + if (!pp) { + printk(KERN_ERR "gamecon.c: no such parport\n"); + err = -EINVAL; + goto err_out; + } + + pd = parport_register_device(pp, "gamecon", NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL); + if (!pd) { + printk(KERN_ERR "gamecon.c: parport busy already - lp.o loaded?\n"); + err = -EBUSY; + goto err_put_pp; + } + + gc = kzalloc(sizeof(struct gc), GFP_KERNEL); + if (!gc) { + printk(KERN_ERR "gamecon.c: Not enough memory\n"); + err = -ENOMEM; + goto err_unreg_pardev; + } + + mutex_init(&gc->mutex); + gc->pd = pd; + init_timer(&gc->timer); + gc->timer.data = (long) gc; + gc->timer.function = gc_timer; + + for (i = 0; i < n_pads && i < GC_MAX_DEVICES; i++) { + if (!pads[i]) + continue; + + snprintf(gc->phys[i], sizeof(gc->phys[i]), + "%s/input%d", gc->pd->port->name, i); + err = gc_setup_pad(gc, i, pads[i]); + if (err) + goto err_unreg_devs; + + err = input_register_device(gc->dev[i]); + if (err) + goto err_free_dev; + } + + if (!gc->pads[0]) { + printk(KERN_ERR "gamecon.c: No valid devices specified\n"); + err = -EINVAL; + goto err_free_gc; + } + + parport_put_port(pp); + return gc; + + err_free_dev: + input_free_device(gc->dev[i]); + err_unreg_devs: + while (--i >= 0) + if (gc->dev[i]) + input_unregister_device(gc->dev[i]); + err_free_gc: + kfree(gc); + err_unreg_pardev: + parport_unregister_device(pd); + err_put_pp: + parport_put_port(pp); + err_out: + return ERR_PTR(err); +} + +static void gc_remove(struct gc *gc) +{ + int i; + + for (i = 0; i < GC_MAX_DEVICES; i++) + if (gc->dev[i]) + input_unregister_device(gc->dev[i]); + parport_unregister_device(gc->pd); + kfree(gc); +} + +static int __init gc_init(void) +{ + int i; + int have_dev = 0; + int err = 0; + + for (i = 0; i < GC_MAX_PORTS; i++) { + if (gc_cfg[i].nargs == 0 || gc_cfg[i].args[0] < 0) + continue; + + if (gc_cfg[i].nargs < 2) { + printk(KERN_ERR "gamecon.c: at least one device must be specified\n"); + err = -EINVAL; + break; + } + + gc_base[i] = gc_probe(gc_cfg[i].args[0], + gc_cfg[i].args + 1, gc_cfg[i].nargs - 1); + if (IS_ERR(gc_base[i])) { + err = PTR_ERR(gc_base[i]); + break; + } + + have_dev = 1; + } + + if (err) { + while (--i >= 0) + if (gc_base[i]) + gc_remove(gc_base[i]); + return err; + } + + return have_dev ? 0 : -ENODEV; +} + +static void __exit gc_exit(void) +{ + int i; + + for (i = 0; i < GC_MAX_PORTS; i++) + if (gc_base[i]) + gc_remove(gc_base[i]); +} + +module_init(gc_init); +module_exit(gc_exit); diff --git a/drivers/input/joystick/gf2k.c b/drivers/input/joystick/gf2k.c new file mode 100644 index 0000000..67c207f --- /dev/null +++ b/drivers/input/joystick/gf2k.c @@ -0,0 +1,387 @@ +/* + * Copyright (c) 1998-2001 Vojtech Pavlik + */ + +/* + * Genius Flight 2000 joystick driver for Linux + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/delay.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/gameport.h> +#include <linux/jiffies.h> + +#define DRIVER_DESC "Genius Flight 2000 joystick driver" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +#define GF2K_START 400 /* The time we wait for the first bit [400 us] */ +#define GF2K_STROBE 40 /* The time we wait for the first bit [40 us] */ +#define GF2K_TIMEOUT 4 /* Wait for everything to settle [4 ms] */ +#define GF2K_LENGTH 80 /* Max number of triplets in a packet */ + +/* + * Genius joystick ids ... + */ + +#define GF2K_ID_G09 1 +#define GF2K_ID_F30D 2 +#define GF2K_ID_F30 3 +#define GF2K_ID_F31D 4 +#define GF2K_ID_F305 5 +#define GF2K_ID_F23P 6 +#define GF2K_ID_F31 7 +#define GF2K_ID_MAX 7 + +static char gf2k_length[] = { 40, 40, 40, 40, 40, 40, 40, 40 }; +static char gf2k_hat_to_axis[][2] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}}; + +static char *gf2k_names[] = {"", "Genius G-09D", "Genius F-30D", "Genius F-30", "Genius MaxFighter F-31D", + "Genius F-30-5", "Genius Flight2000 F-23", "Genius F-31"}; +static unsigned char gf2k_hats[] = { 0, 2, 0, 0, 2, 0, 2, 0 }; +static unsigned char gf2k_axes[] = { 0, 2, 0, 0, 4, 0, 4, 0 }; +static unsigned char gf2k_joys[] = { 0, 0, 0, 0,10, 0, 8, 0 }; +static unsigned char gf2k_pads[] = { 0, 6, 0, 0, 0, 0, 0, 0 }; +static unsigned char gf2k_lens[] = { 0,18, 0, 0,18, 0,18, 0 }; + +static unsigned char gf2k_abs[] = { ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_GAS, ABS_BRAKE }; +static short gf2k_btn_joy[] = { BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE, BTN_BASE2, BTN_BASE3, BTN_BASE4 }; +static short gf2k_btn_pad[] = { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_TL2, BTN_TR2, BTN_START, BTN_SELECT }; + + +static short gf2k_seq_reset[] = { 240, 340, 0 }; +static short gf2k_seq_digital[] = { 590, 320, 860, 0 }; + +struct gf2k { + struct gameport *gameport; + struct input_dev *dev; + int reads; + int bads; + unsigned char id; + unsigned char length; + char phys[32]; +}; + +/* + * gf2k_read_packet() reads a Genius Flight2000 packet. + */ + +static int gf2k_read_packet(struct gameport *gameport, int length, char *data) +{ + unsigned char u, v; + int i; + unsigned int t, p; + unsigned long flags; + + t = gameport_time(gameport, GF2K_START); + p = gameport_time(gameport, GF2K_STROBE); + + i = 0; + + local_irq_save(flags); + + gameport_trigger(gameport); + v = gameport_read(gameport); + + while (t > 0 && i < length) { + t--; u = v; + v = gameport_read(gameport); + if (v & ~u & 0x10) { + data[i++] = v >> 5; + t = p; + } + } + + local_irq_restore(flags); + + return i; +} + +/* + * gf2k_trigger_seq() initializes a Genius Flight2000 joystick + * into digital mode. + */ + +static void gf2k_trigger_seq(struct gameport *gameport, short *seq) +{ + + unsigned long flags; + int i, t; + + local_irq_save(flags); + + i = 0; + do { + gameport_trigger(gameport); + t = gameport_time(gameport, GF2K_TIMEOUT * 1000); + while ((gameport_read(gameport) & 1) && t) t--; + udelay(seq[i]); + } while (seq[++i]); + + gameport_trigger(gameport); + + local_irq_restore(flags); +} + +/* + * js_sw_get_bits() composes bits from the triplet buffer into a __u64. + * Parameter 'pos' is bit number inside packet where to start at, 'num' is number + * of bits to be read, 'shift' is offset in the resulting __u64 to start at, bits + * is number of bits per triplet. + */ + +#define GB(p,n,s) gf2k_get_bits(data, p, n, s) + +static int gf2k_get_bits(unsigned char *buf, int pos, int num, int shift) +{ + __u64 data = 0; + int i; + + for (i = 0; i < num / 3 + 2; i++) + data |= buf[pos / 3 + i] << (i * 3); + data >>= pos % 3; + data &= (1 << num) - 1; + data <<= shift; + + return data; +} + +static void gf2k_read(struct gf2k *gf2k, unsigned char *data) +{ + struct input_dev *dev = gf2k->dev; + int i, t; + + for (i = 0; i < 4 && i < gf2k_axes[gf2k->id]; i++) + input_report_abs(dev, gf2k_abs[i], GB(i<<3,8,0) | GB(i+46,1,8) | GB(i+50,1,9)); + + for (i = 0; i < 2 && i < gf2k_axes[gf2k->id] - 4; i++) + input_report_abs(dev, gf2k_abs[i], GB(i*9+60,8,0) | GB(i+54,1,9)); + + t = GB(40,4,0); + + for (i = 0; i < gf2k_hats[gf2k->id]; i++) + input_report_abs(dev, ABS_HAT0X + i, gf2k_hat_to_axis[t][i]); + + t = GB(44,2,0) | GB(32,8,2) | GB(78,2,10); + + for (i = 0; i < gf2k_joys[gf2k->id]; i++) + input_report_key(dev, gf2k_btn_joy[i], (t >> i) & 1); + + for (i = 0; i < gf2k_pads[gf2k->id]; i++) + input_report_key(dev, gf2k_btn_pad[i], (t >> i) & 1); + + input_sync(dev); +} + +/* + * gf2k_poll() reads and analyzes Genius joystick data. + */ + +static void gf2k_poll(struct gameport *gameport) +{ + struct gf2k *gf2k = gameport_get_drvdata(gameport); + unsigned char data[GF2K_LENGTH]; + + gf2k->reads++; + + if (gf2k_read_packet(gf2k->gameport, gf2k_length[gf2k->id], data) < gf2k_length[gf2k->id]) + gf2k->bads++; + else + gf2k_read(gf2k, data); +} + +static int gf2k_open(struct input_dev *dev) +{ + struct gf2k *gf2k = input_get_drvdata(dev); + + gameport_start_polling(gf2k->gameport); + return 0; +} + +static void gf2k_close(struct input_dev *dev) +{ + struct gf2k *gf2k = input_get_drvdata(dev); + + gameport_stop_polling(gf2k->gameport); +} + +/* + * gf2k_connect() probes for Genius id joysticks. + */ + +static int gf2k_connect(struct gameport *gameport, struct gameport_driver *drv) +{ + struct gf2k *gf2k; + struct input_dev *input_dev; + unsigned char data[GF2K_LENGTH]; + int i, err; + + gf2k = kzalloc(sizeof(struct gf2k), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!gf2k || !input_dev) { + err = -ENOMEM; + goto fail1; + } + + gf2k->gameport = gameport; + gf2k->dev = input_dev; + + gameport_set_drvdata(gameport, gf2k); + + err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW); + if (err) + goto fail1; + + gf2k_trigger_seq(gameport, gf2k_seq_reset); + + msleep(GF2K_TIMEOUT); + + gf2k_trigger_seq(gameport, gf2k_seq_digital); + + msleep(GF2K_TIMEOUT); + + if (gf2k_read_packet(gameport, GF2K_LENGTH, data) < 12) { + err = -ENODEV; + goto fail2; + } + + if (!(gf2k->id = GB(7,2,0) | GB(3,3,2) | GB(0,3,5))) { + err = -ENODEV; + goto fail2; + } + +#ifdef RESET_WORKS + if ((gf2k->id != (GB(19,2,0) | GB(15,3,2) | GB(12,3,5))) || + (gf2k->id != (GB(31,2,0) | GB(27,3,2) | GB(24,3,5)))) { + err = -ENODEV; + goto fail2; + } +#else + gf2k->id = 6; +#endif + + if (gf2k->id > GF2K_ID_MAX || !gf2k_axes[gf2k->id]) { + printk(KERN_WARNING "gf2k.c: Not yet supported joystick on %s. [id: %d type:%s]\n", + gameport->phys, gf2k->id, gf2k->id > GF2K_ID_MAX ? "Unknown" : gf2k_names[gf2k->id]); + err = -ENODEV; + goto fail2; + } + + gameport_set_poll_handler(gameport, gf2k_poll); + gameport_set_poll_interval(gameport, 20); + + snprintf(gf2k->phys, sizeof(gf2k->phys), "%s/input0", gameport->phys); + + gf2k->length = gf2k_lens[gf2k->id]; + + input_dev->name = gf2k_names[gf2k->id]; + input_dev->phys = gf2k->phys; + input_dev->id.bustype = BUS_GAMEPORT; + input_dev->id.vendor = GAMEPORT_ID_VENDOR_GENIUS; + input_dev->id.product = gf2k->id; + input_dev->id.version = 0x0100; + input_dev->dev.parent = &gameport->dev; + + input_set_drvdata(input_dev, gf2k); + + input_dev->open = gf2k_open; + input_dev->close = gf2k_close; + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + + for (i = 0; i < gf2k_axes[gf2k->id]; i++) + set_bit(gf2k_abs[i], input_dev->absbit); + + for (i = 0; i < gf2k_hats[gf2k->id]; i++) { + set_bit(ABS_HAT0X + i, input_dev->absbit); + input_dev->absmin[ABS_HAT0X + i] = -1; + input_dev->absmax[ABS_HAT0X + i] = 1; + } + + for (i = 0; i < gf2k_joys[gf2k->id]; i++) + set_bit(gf2k_btn_joy[i], input_dev->keybit); + + for (i = 0; i < gf2k_pads[gf2k->id]; i++) + set_bit(gf2k_btn_pad[i], input_dev->keybit); + + gf2k_read_packet(gameport, gf2k->length, data); + gf2k_read(gf2k, data); + + for (i = 0; i < gf2k_axes[gf2k->id]; i++) { + input_dev->absmax[gf2k_abs[i]] = (i < 2) ? input_dev->abs[gf2k_abs[i]] * 2 - 32 : + input_dev->abs[gf2k_abs[0]] + input_dev->abs[gf2k_abs[1]] - 32; + input_dev->absmin[gf2k_abs[i]] = 32; + input_dev->absfuzz[gf2k_abs[i]] = 8; + input_dev->absflat[gf2k_abs[i]] = (i < 2) ? 24 : 0; + } + + err = input_register_device(gf2k->dev); + if (err) + goto fail2; + + return 0; + + fail2: gameport_close(gameport); + fail1: gameport_set_drvdata(gameport, NULL); + input_free_device(input_dev); + kfree(gf2k); + return err; +} + +static void gf2k_disconnect(struct gameport *gameport) +{ + struct gf2k *gf2k = gameport_get_drvdata(gameport); + + input_unregister_device(gf2k->dev); + gameport_close(gameport); + gameport_set_drvdata(gameport, NULL); + kfree(gf2k); +} + +static struct gameport_driver gf2k_drv = { + .driver = { + .name = "gf2k", + }, + .description = DRIVER_DESC, + .connect = gf2k_connect, + .disconnect = gf2k_disconnect, +}; + +static int __init gf2k_init(void) +{ + return gameport_register_driver(&gf2k_drv); +} + +static void __exit gf2k_exit(void) +{ + gameport_unregister_driver(&gf2k_drv); +} + +module_init(gf2k_init); +module_exit(gf2k_exit); diff --git a/drivers/input/joystick/grip.c b/drivers/input/joystick/grip.c new file mode 100644 index 0000000..fc55899 --- /dev/null +++ b/drivers/input/joystick/grip.c @@ -0,0 +1,438 @@ +/* + * Copyright (c) 1998-2001 Vojtech Pavlik + */ + +/* + * Gravis/Kensington GrIP protocol joystick and gamepad driver for Linux + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/gameport.h> +#include <linux/input.h> +#include <linux/jiffies.h> + +#define DRIVER_DESC "Gravis GrIP protocol joystick driver" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +#define GRIP_MODE_GPP 1 +#define GRIP_MODE_BD 2 +#define GRIP_MODE_XT 3 +#define GRIP_MODE_DC 4 + +#define GRIP_LENGTH_GPP 24 +#define GRIP_STROBE_GPP 200 /* 200 us */ +#define GRIP_LENGTH_XT 4 +#define GRIP_STROBE_XT 64 /* 64 us */ +#define GRIP_MAX_CHUNKS_XT 10 +#define GRIP_MAX_BITS_XT 30 + +struct grip { + struct gameport *gameport; + struct input_dev *dev[2]; + unsigned char mode[2]; + int reads; + int bads; + char phys[2][32]; +}; + +static int grip_btn_gpp[] = { BTN_START, BTN_SELECT, BTN_TR2, BTN_Y, 0, BTN_TL2, BTN_A, BTN_B, BTN_X, 0, BTN_TL, BTN_TR, -1 }; +static int grip_btn_bd[] = { BTN_THUMB, BTN_THUMB2, BTN_TRIGGER, BTN_TOP, BTN_BASE, -1 }; +static int grip_btn_xt[] = { BTN_TRIGGER, BTN_THUMB, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_SELECT, BTN_START, BTN_MODE, -1 }; +static int grip_btn_dc[] = { BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE, BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_BASE5, -1 }; + +static int grip_abs_gpp[] = { ABS_X, ABS_Y, -1 }; +static int grip_abs_bd[] = { ABS_X, ABS_Y, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y, -1 }; +static int grip_abs_xt[] = { ABS_X, ABS_Y, ABS_BRAKE, ABS_GAS, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X, ABS_HAT1Y, -1 }; +static int grip_abs_dc[] = { ABS_X, ABS_Y, ABS_RX, ABS_RY, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y, -1 }; + +static char *grip_name[] = { NULL, "Gravis GamePad Pro", "Gravis Blackhawk Digital", + "Gravis Xterminator Digital", "Gravis Xterminator DualControl" }; +static int *grip_abs[] = { NULL, grip_abs_gpp, grip_abs_bd, grip_abs_xt, grip_abs_dc }; +static int *grip_btn[] = { NULL, grip_btn_gpp, grip_btn_bd, grip_btn_xt, grip_btn_dc }; +static char grip_anx[] = { 0, 0, 3, 5, 5 }; +static char grip_cen[] = { 0, 0, 2, 2, 4 }; + +/* + * grip_gpp_read_packet() reads a Gravis GamePad Pro packet. + */ + +static int grip_gpp_read_packet(struct gameport *gameport, int shift, unsigned int *data) +{ + unsigned long flags; + unsigned char u, v; + unsigned int t; + int i; + + int strobe = gameport_time(gameport, GRIP_STROBE_GPP); + + data[0] = 0; + t = strobe; + i = 0; + + local_irq_save(flags); + + v = gameport_read(gameport) >> shift; + + do { + t--; + u = v; v = (gameport_read(gameport) >> shift) & 3; + if (~v & u & 1) { + data[0] |= (v >> 1) << i++; + t = strobe; + } + } while (i < GRIP_LENGTH_GPP && t > 0); + + local_irq_restore(flags); + + if (i < GRIP_LENGTH_GPP) return -1; + + for (i = 0; i < GRIP_LENGTH_GPP && (data[0] & 0xfe4210) ^ 0x7c0000; i++) + data[0] = data[0] >> 1 | (data[0] & 1) << (GRIP_LENGTH_GPP - 1); + + return -(i == GRIP_LENGTH_GPP); +} + +/* + * grip_xt_read_packet() reads a Gravis Xterminator packet. + */ + +static int grip_xt_read_packet(struct gameport *gameport, int shift, unsigned int *data) +{ + unsigned int i, j, buf, crc; + unsigned char u, v, w; + unsigned long flags; + unsigned int t; + char status; + + int strobe = gameport_time(gameport, GRIP_STROBE_XT); + + data[0] = data[1] = data[2] = data[3] = 0; + status = buf = i = j = 0; + t = strobe; + + local_irq_save(flags); + + v = w = (gameport_read(gameport) >> shift) & 3; + + do { + t--; + u = (gameport_read(gameport) >> shift) & 3; + + if (u ^ v) { + + if ((u ^ v) & 1) { + buf = (buf << 1) | (u >> 1); + t = strobe; + i++; + } else + + if ((((u ^ v) & (v ^ w)) >> 1) & ~(u | v | w) & 1) { + if (i == 20) { + crc = buf ^ (buf >> 7) ^ (buf >> 14); + if (!((crc ^ (0x25cb9e70 >> ((crc >> 2) & 0x1c))) & 0xf)) { + data[buf >> 18] = buf >> 4; + status |= 1 << (buf >> 18); + } + j++; + } + t = strobe; + buf = 0; + i = 0; + } + w = v; + v = u; + } + + } while (status != 0xf && i < GRIP_MAX_BITS_XT && j < GRIP_MAX_CHUNKS_XT && t > 0); + + local_irq_restore(flags); + + return -(status != 0xf); +} + +/* + * grip_timer() repeatedly polls the joysticks and generates events. + */ + +static void grip_poll(struct gameport *gameport) +{ + struct grip *grip = gameport_get_drvdata(gameport); + unsigned int data[GRIP_LENGTH_XT]; + struct input_dev *dev; + int i, j; + + for (i = 0; i < 2; i++) { + + dev = grip->dev[i]; + if (!dev) + continue; + + grip->reads++; + + switch (grip->mode[i]) { + + case GRIP_MODE_GPP: + + if (grip_gpp_read_packet(grip->gameport, (i << 1) + 4, data)) { + grip->bads++; + break; + } + + input_report_abs(dev, ABS_X, ((*data >> 15) & 1) - ((*data >> 16) & 1)); + input_report_abs(dev, ABS_Y, ((*data >> 13) & 1) - ((*data >> 12) & 1)); + + for (j = 0; j < 12; j++) + if (grip_btn_gpp[j]) + input_report_key(dev, grip_btn_gpp[j], (*data >> j) & 1); + + break; + + case GRIP_MODE_BD: + + if (grip_xt_read_packet(grip->gameport, (i << 1) + 4, data)) { + grip->bads++; + break; + } + + input_report_abs(dev, ABS_X, (data[0] >> 2) & 0x3f); + input_report_abs(dev, ABS_Y, 63 - ((data[0] >> 8) & 0x3f)); + input_report_abs(dev, ABS_THROTTLE, (data[2] >> 8) & 0x3f); + + input_report_abs(dev, ABS_HAT0X, ((data[2] >> 1) & 1) - ( data[2] & 1)); + input_report_abs(dev, ABS_HAT0Y, ((data[2] >> 2) & 1) - ((data[2] >> 3) & 1)); + + for (j = 0; j < 5; j++) + input_report_key(dev, grip_btn_bd[j], (data[3] >> (j + 4)) & 1); + + break; + + case GRIP_MODE_XT: + + if (grip_xt_read_packet(grip->gameport, (i << 1) + 4, data)) { + grip->bads++; + break; + } + + input_report_abs(dev, ABS_X, (data[0] >> 2) & 0x3f); + input_report_abs(dev, ABS_Y, 63 - ((data[0] >> 8) & 0x3f)); + input_report_abs(dev, ABS_BRAKE, (data[1] >> 2) & 0x3f); + input_report_abs(dev, ABS_GAS, (data[1] >> 8) & 0x3f); + input_report_abs(dev, ABS_THROTTLE, (data[2] >> 8) & 0x3f); + + input_report_abs(dev, ABS_HAT0X, ((data[2] >> 1) & 1) - ( data[2] & 1)); + input_report_abs(dev, ABS_HAT0Y, ((data[2] >> 2) & 1) - ((data[2] >> 3) & 1)); + input_report_abs(dev, ABS_HAT1X, ((data[2] >> 5) & 1) - ((data[2] >> 4) & 1)); + input_report_abs(dev, ABS_HAT1Y, ((data[2] >> 6) & 1) - ((data[2] >> 7) & 1)); + + for (j = 0; j < 11; j++) + input_report_key(dev, grip_btn_xt[j], (data[3] >> (j + 3)) & 1); + break; + + case GRIP_MODE_DC: + + if (grip_xt_read_packet(grip->gameport, (i << 1) + 4, data)) { + grip->bads++; + break; + } + + input_report_abs(dev, ABS_X, (data[0] >> 2) & 0x3f); + input_report_abs(dev, ABS_Y, (data[0] >> 8) & 0x3f); + input_report_abs(dev, ABS_RX, (data[1] >> 2) & 0x3f); + input_report_abs(dev, ABS_RY, (data[1] >> 8) & 0x3f); + input_report_abs(dev, ABS_THROTTLE, (data[2] >> 8) & 0x3f); + + input_report_abs(dev, ABS_HAT0X, ((data[2] >> 1) & 1) - ( data[2] & 1)); + input_report_abs(dev, ABS_HAT0Y, ((data[2] >> 2) & 1) - ((data[2] >> 3) & 1)); + + for (j = 0; j < 9; j++) + input_report_key(dev, grip_btn_dc[j], (data[3] >> (j + 3)) & 1); + break; + + + } + + input_sync(dev); + } +} + +static int grip_open(struct input_dev *dev) +{ + struct grip *grip = input_get_drvdata(dev); + + gameport_start_polling(grip->gameport); + return 0; +} + +static void grip_close(struct input_dev *dev) +{ + struct grip *grip = input_get_drvdata(dev); + + gameport_stop_polling(grip->gameport); +} + +static int grip_connect(struct gameport *gameport, struct gameport_driver *drv) +{ + struct grip *grip; + struct input_dev *input_dev; + unsigned int data[GRIP_LENGTH_XT]; + int i, j, t; + int err; + + if (!(grip = kzalloc(sizeof(struct grip), GFP_KERNEL))) + return -ENOMEM; + + grip->gameport = gameport; + + gameport_set_drvdata(gameport, grip); + + err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW); + if (err) + goto fail1; + + for (i = 0; i < 2; i++) { + if (!grip_gpp_read_packet(gameport, (i << 1) + 4, data)) { + grip->mode[i] = GRIP_MODE_GPP; + continue; + } + if (!grip_xt_read_packet(gameport, (i << 1) + 4, data)) { + if (!(data[3] & 7)) { + grip->mode[i] = GRIP_MODE_BD; + continue; + } + if (!(data[2] & 0xf0)) { + grip->mode[i] = GRIP_MODE_XT; + continue; + } + grip->mode[i] = GRIP_MODE_DC; + continue; + } + } + + if (!grip->mode[0] && !grip->mode[1]) { + err = -ENODEV; + goto fail2; + } + + gameport_set_poll_handler(gameport, grip_poll); + gameport_set_poll_interval(gameport, 20); + + for (i = 0; i < 2; i++) { + if (!grip->mode[i]) + continue; + + grip->dev[i] = input_dev = input_allocate_device(); + if (!input_dev) { + err = -ENOMEM; + goto fail3; + } + + snprintf(grip->phys[i], sizeof(grip->phys[i]), + "%s/input%d", gameport->phys, i); + + input_dev->name = grip_name[grip->mode[i]]; + input_dev->phys = grip->phys[i]; + input_dev->id.bustype = BUS_GAMEPORT; + input_dev->id.vendor = GAMEPORT_ID_VENDOR_GRAVIS; + input_dev->id.product = grip->mode[i]; + input_dev->id.version = 0x0100; + input_dev->dev.parent = &gameport->dev; + + input_set_drvdata(input_dev, grip); + + input_dev->open = grip_open; + input_dev->close = grip_close; + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + + for (j = 0; (t = grip_abs[grip->mode[i]][j]) >= 0; j++) { + + if (j < grip_cen[grip->mode[i]]) + input_set_abs_params(input_dev, t, 14, 52, 1, 2); + else if (j < grip_anx[grip->mode[i]]) + input_set_abs_params(input_dev, t, 3, 57, 1, 0); + else + input_set_abs_params(input_dev, t, -1, 1, 0, 0); + } + + for (j = 0; (t = grip_btn[grip->mode[i]][j]) >= 0; j++) + if (t > 0) + set_bit(t, input_dev->keybit); + + err = input_register_device(grip->dev[i]); + if (err) + goto fail4; + } + + return 0; + + fail4: input_free_device(grip->dev[i]); + fail3: while (--i >= 0) + if (grip->dev[i]) + input_unregister_device(grip->dev[i]); + fail2: gameport_close(gameport); + fail1: gameport_set_drvdata(gameport, NULL); + kfree(grip); + return err; +} + +static void grip_disconnect(struct gameport *gameport) +{ + struct grip *grip = gameport_get_drvdata(gameport); + int i; + + for (i = 0; i < 2; i++) + if (grip->dev[i]) + input_unregister_device(grip->dev[i]); + gameport_close(gameport); + gameport_set_drvdata(gameport, NULL); + kfree(grip); +} + +static struct gameport_driver grip_drv = { + .driver = { + .name = "grip", + .owner = THIS_MODULE, + }, + .description = DRIVER_DESC, + .connect = grip_connect, + .disconnect = grip_disconnect, +}; + +static int __init grip_init(void) +{ + return gameport_register_driver(&grip_drv); +} + +static void __exit grip_exit(void) +{ + gameport_unregister_driver(&grip_drv); +} + +module_init(grip_init); +module_exit(grip_exit); diff --git a/drivers/input/joystick/grip_mp.c b/drivers/input/joystick/grip_mp.c new file mode 100644 index 0000000..2d47baf --- /dev/null +++ b/drivers/input/joystick/grip_mp.c @@ -0,0 +1,701 @@ +/* + * Driver for the Gravis Grip Multiport, a gamepad "hub" that + * connects up to four 9-pin digital gamepads/joysticks. + * Driver tested on SMP and UP kernel versions 2.4.18-4 and 2.4.18-5. + * + * Thanks to Chris Gassib for helpful advice. + * + * Copyright (c) 2002 Brian Bonnlander, Bill Soudan + * Copyright (c) 1998-2000 Vojtech Pavlik + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/gameport.h> +#include <linux/input.h> +#include <linux/delay.h> +#include <linux/proc_fs.h> +#include <linux/jiffies.h> + +#define DRIVER_DESC "Gravis Grip Multiport driver" + +MODULE_AUTHOR("Brian Bonnlander"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +#ifdef GRIP_DEBUG +#define dbg(format, arg...) printk(KERN_ERR __FILE__ ": " format "\n" , ## arg) +#else +#define dbg(format, arg...) do {} while (0) +#endif + +#define GRIP_MAX_PORTS 4 +/* + * Grip multiport state + */ + +struct grip_port { + struct input_dev *dev; + int mode; + int registered; + + /* individual gamepad states */ + int buttons; + int xaxes; + int yaxes; + int dirty; /* has the state been updated? */ +}; + +struct grip_mp { + struct gameport *gameport; + struct grip_port *port[GRIP_MAX_PORTS]; + int reads; + int bads; +}; + +/* + * Multiport packet interpretation + */ + +#define PACKET_FULL 0x80000000 /* packet is full */ +#define PACKET_IO_FAST 0x40000000 /* 3 bits per gameport read */ +#define PACKET_IO_SLOW 0x20000000 /* 1 bit per gameport read */ +#define PACKET_MP_MORE 0x04000000 /* multiport wants to send more */ +#define PACKET_MP_DONE 0x02000000 /* multiport done sending */ + +/* + * Packet status code interpretation + */ + +#define IO_GOT_PACKET 0x0100 /* Got a packet */ +#define IO_MODE_FAST 0x0200 /* Used 3 data bits per gameport read */ +#define IO_SLOT_CHANGE 0x0800 /* Multiport physical slot status changed */ +#define IO_DONE 0x1000 /* Multiport is done sending packets */ +#define IO_RETRY 0x4000 /* Try again later to get packet */ +#define IO_RESET 0x8000 /* Force multiport to resend all packets */ + +/* + * Gamepad configuration data. Other 9-pin digital joystick devices + * may work with the multiport, so this may not be an exhaustive list! + * Commodore 64 joystick remains untested. + */ + +#define GRIP_INIT_DELAY 2000 /* 2 ms */ + +#define GRIP_MODE_NONE 0 +#define GRIP_MODE_RESET 1 +#define GRIP_MODE_GP 2 +#define GRIP_MODE_C64 3 + +static const int grip_btn_gp[] = { BTN_TR, BTN_TL, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, -1 }; +static const int grip_btn_c64[] = { BTN_JOYSTICK, -1 }; + +static const int grip_abs_gp[] = { ABS_X, ABS_Y, -1 }; +static const int grip_abs_c64[] = { ABS_X, ABS_Y, -1 }; + +static const int *grip_abs[] = { NULL, NULL, grip_abs_gp, grip_abs_c64 }; +static const int *grip_btn[] = { NULL, NULL, grip_btn_gp, grip_btn_c64 }; + +static const char *grip_name[] = { NULL, NULL, "Gravis Grip Pad", "Commodore 64 Joystick" }; + +static const int init_seq[] = { + 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, + 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, + 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, + 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1 }; + +/* Maps multiport directional values to X,Y axis values (each axis encoded in 3 bits) */ + +static const int axis_map[] = { 5, 9, 1, 5, 6, 10, 2, 6, 4, 8, 0, 4, 5, 9, 1, 5 }; + +static int register_slot(int i, struct grip_mp *grip); + +/* + * Returns whether an odd or even number of bits are on in pkt. + */ + +static int bit_parity(u32 pkt) +{ + int x = pkt ^ (pkt >> 16); + x ^= x >> 8; + x ^= x >> 4; + x ^= x >> 2; + x ^= x >> 1; + return x & 1; +} + +/* + * Poll gameport; return true if all bits set in 'onbits' are on and + * all bits set in 'offbits' are off. + */ + +static inline int poll_until(u8 onbits, u8 offbits, int u_sec, struct gameport* gp, u8 *data) +{ + int i, nloops; + + nloops = gameport_time(gp, u_sec); + for (i = 0; i < nloops; i++) { + *data = gameport_read(gp); + if ((*data & onbits) == onbits && + (~(*data) & offbits) == offbits) + return 1; + } + dbg("gameport timed out after %d microseconds.\n", u_sec); + return 0; +} + +/* + * Gets a 28-bit packet from the multiport. + * + * After getting a packet successfully, commands encoded by sendcode may + * be sent to the multiport. + * + * The multiport clock value is reflected in gameport bit B4. + * + * Returns a packet status code indicating whether packet is valid, the transfer + * mode, and any error conditions. + * + * sendflags: current I/O status + * sendcode: data to send to the multiport if sendflags is nonzero + */ + +static int mp_io(struct gameport* gameport, int sendflags, int sendcode, u32 *packet) +{ + u8 raw_data; /* raw data from gameport */ + u8 data_mask; /* packet data bits from raw_data */ + u32 pkt; /* packet temporary storage */ + int bits_per_read; /* num packet bits per gameport read */ + int portvals = 0; /* used for port value sanity check */ + int i; + + /* Gameport bits B0, B4, B5 should first be off, then B4 should come on. */ + + *packet = 0; + raw_data = gameport_read(gameport); + if (raw_data & 1) + return IO_RETRY; + + for (i = 0; i < 64; i++) { + raw_data = gameport_read(gameport); + portvals |= 1 << ((raw_data >> 4) & 3); /* Demux B4, B5 */ + } + + if (portvals == 1) { /* B4, B5 off */ + raw_data = gameport_read(gameport); + portvals = raw_data & 0xf0; + + if (raw_data & 0x31) + return IO_RESET; + gameport_trigger(gameport); + + if (!poll_until(0x10, 0, 308, gameport, &raw_data)) + return IO_RESET; + } else + return IO_RETRY; + + /* Determine packet transfer mode and prepare for packet construction. */ + + if (raw_data & 0x20) { /* 3 data bits/read */ + portvals |= raw_data >> 4; /* Compare B4-B7 before & after trigger */ + + if (portvals != 0xb) + return 0; + data_mask = 7; + bits_per_read = 3; + pkt = (PACKET_FULL | PACKET_IO_FAST) >> 28; + } else { /* 1 data bit/read */ + data_mask = 1; + bits_per_read = 1; + pkt = (PACKET_FULL | PACKET_IO_SLOW) >> 28; + } + + /* Construct a packet. Final data bits must be zero. */ + + while (1) { + if (!poll_until(0, 0x10, 77, gameport, &raw_data)) + return IO_RESET; + raw_data = (raw_data >> 5) & data_mask; + + if (pkt & PACKET_FULL) + break; + pkt = (pkt << bits_per_read) | raw_data; + + if (!poll_until(0x10, 0, 77, gameport, &raw_data)) + return IO_RESET; + } + + if (raw_data) + return IO_RESET; + + /* If 3 bits/read used, drop from 30 bits to 28. */ + + if (bits_per_read == 3) { + pkt = (pkt & 0xffff0000) | ((pkt << 1) & 0xffff); + pkt = (pkt >> 2) | 0xf0000000; + } + + if (bit_parity(pkt) == 1) + return IO_RESET; + + /* Acknowledge packet receipt */ + + if (!poll_until(0x30, 0, 77, gameport, &raw_data)) + return IO_RESET; + + raw_data = gameport_read(gameport); + + if (raw_data & 1) + return IO_RESET; + + gameport_trigger(gameport); + + if (!poll_until(0, 0x20, 77, gameport, &raw_data)) + return IO_RESET; + + /* Return if we just wanted the packet or multiport wants to send more */ + + *packet = pkt; + if ((sendflags == 0) || ((sendflags & IO_RETRY) && !(pkt & PACKET_MP_DONE))) + return IO_GOT_PACKET; + + if (pkt & PACKET_MP_MORE) + return IO_GOT_PACKET | IO_RETRY; + + /* Multiport is done sending packets and is ready to receive data */ + + if (!poll_until(0x20, 0, 77, gameport, &raw_data)) + return IO_GOT_PACKET | IO_RESET; + + raw_data = gameport_read(gameport); + if (raw_data & 1) + return IO_GOT_PACKET | IO_RESET; + + /* Trigger gameport based on bits in sendcode */ + + gameport_trigger(gameport); + do { + if (!poll_until(0x20, 0x10, 116, gameport, &raw_data)) + return IO_GOT_PACKET | IO_RESET; + + if (!poll_until(0x30, 0, 193, gameport, &raw_data)) + return IO_GOT_PACKET | IO_RESET; + + if (raw_data & 1) + return IO_GOT_PACKET | IO_RESET; + + if (sendcode & 1) + gameport_trigger(gameport); + + sendcode >>= 1; + } while (sendcode); + + return IO_GOT_PACKET | IO_MODE_FAST; +} + +/* + * Disables and restores interrupts for mp_io(), which does the actual I/O. + */ + +static int multiport_io(struct gameport* gameport, int sendflags, int sendcode, u32 *packet) +{ + int status; + unsigned long flags; + + local_irq_save(flags); + status = mp_io(gameport, sendflags, sendcode, packet); + local_irq_restore(flags); + + return status; +} + +/* + * Puts multiport into digital mode. Multiport LED turns green. + * + * Returns true if a valid digital packet was received, false otherwise. + */ + +static int dig_mode_start(struct gameport *gameport, u32 *packet) +{ + int i; + int flags, tries = 0, bads = 0; + + for (i = 0; i < ARRAY_SIZE(init_seq); i++) { /* Send magic sequence */ + if (init_seq[i]) + gameport_trigger(gameport); + udelay(GRIP_INIT_DELAY); + } + + for (i = 0; i < 16; i++) /* Wait for multiport to settle */ + udelay(GRIP_INIT_DELAY); + + while (tries < 64 && bads < 8) { /* Reset multiport and try getting a packet */ + + flags = multiport_io(gameport, IO_RESET, 0x27, packet); + + if (flags & IO_MODE_FAST) + return 1; + + if (flags & IO_RETRY) + tries++; + else + bads++; + } + return 0; +} + +/* + * Packet structure: B0-B15 => gamepad state + * B16-B20 => gamepad device type + * B21-B24 => multiport slot index (1-4) + * + * Known device types: 0x1f (grip pad), 0x0 (no device). Others may exist. + * + * Returns the packet status. + */ + +static int get_and_decode_packet(struct grip_mp *grip, int flags) +{ + struct grip_port *port; + u32 packet; + int joytype = 0; + int slot; + + /* Get a packet and check for validity */ + + flags &= IO_RESET | IO_RETRY; + flags = multiport_io(grip->gameport, flags, 0, &packet); + grip->reads++; + + if (packet & PACKET_MP_DONE) + flags |= IO_DONE; + + if (flags && !(flags & IO_GOT_PACKET)) { + grip->bads++; + return flags; + } + + /* Ignore non-gamepad packets, e.g. multiport hardware version */ + + slot = ((packet >> 21) & 0xf) - 1; + if ((slot < 0) || (slot > 3)) + return flags; + + port = grip->port[slot]; + + /* + * Handle "reset" packets, which occur at startup, and when gamepads + * are removed or plugged in. May contain configuration of a new gamepad. + */ + + joytype = (packet >> 16) & 0x1f; + if (!joytype) { + + if (port->registered) { + printk(KERN_INFO "grip_mp: removing %s, slot %d\n", + grip_name[port->mode], slot); + input_unregister_device(port->dev); + port->registered = 0; + } + dbg("Reset: grip multiport slot %d\n", slot); + port->mode = GRIP_MODE_RESET; + flags |= IO_SLOT_CHANGE; + return flags; + } + + /* Interpret a grip pad packet */ + + if (joytype == 0x1f) { + + int dir = (packet >> 8) & 0xf; /* eight way directional value */ + port->buttons = (~packet) & 0xff; + port->yaxes = ((axis_map[dir] >> 2) & 3) - 1; + port->xaxes = (axis_map[dir] & 3) - 1; + port->dirty = 1; + + if (port->mode == GRIP_MODE_RESET) + flags |= IO_SLOT_CHANGE; + + port->mode = GRIP_MODE_GP; + + if (!port->registered) { + dbg("New Grip pad in multiport slot %d.\n", slot); + if (register_slot(slot, grip)) { + port->mode = GRIP_MODE_RESET; + port->dirty = 0; + } + } + return flags; + } + + /* Handle non-grip device codes. For now, just print diagnostics. */ + + { + static int strange_code = 0; + if (strange_code != joytype) { + printk(KERN_INFO "Possible non-grip pad/joystick detected.\n"); + printk(KERN_INFO "Got joy type 0x%x and packet 0x%x.\n", joytype, packet); + strange_code = joytype; + } + } + return flags; +} + +/* + * Returns true if all multiport slot states appear valid. + */ + +static int slots_valid(struct grip_mp *grip) +{ + int flags, slot, invalid = 0, active = 0; + + flags = get_and_decode_packet(grip, 0); + if (!(flags & IO_GOT_PACKET)) + return 0; + + for (slot = 0; slot < 4; slot++) { + if (grip->port[slot]->mode == GRIP_MODE_RESET) + invalid = 1; + if (grip->port[slot]->mode != GRIP_MODE_NONE) + active = 1; + } + + /* Return true if no active slot but multiport sent all its data */ + if (!active) + return (flags & IO_DONE) ? 1 : 0; + + /* Return false if invalid device code received */ + return invalid ? 0 : 1; +} + +/* + * Returns whether the multiport was placed into digital mode and + * able to communicate its state successfully. + */ + +static int multiport_init(struct grip_mp *grip) +{ + int dig_mode, initialized = 0, tries = 0; + u32 packet; + + dig_mode = dig_mode_start(grip->gameport, &packet); + while (!dig_mode && tries < 4) { + dig_mode = dig_mode_start(grip->gameport, &packet); + tries++; + } + + if (dig_mode) + dbg("multiport_init(): digital mode activated.\n"); + else { + dbg("multiport_init(): unable to activate digital mode.\n"); + return 0; + } + + /* Get packets, store multiport state, and check state's validity */ + for (tries = 0; tries < 4096; tries++) { + if (slots_valid(grip)) { + initialized = 1; + break; + } + } + dbg("multiport_init(): initialized == %d\n", initialized); + return initialized; +} + +/* + * Reports joystick state to the linux input layer. + */ + +static void report_slot(struct grip_mp *grip, int slot) +{ + struct grip_port *port = grip->port[slot]; + int i; + + /* Store button states with linux input driver */ + + for (i = 0; i < 8; i++) + input_report_key(port->dev, grip_btn_gp[i], (port->buttons >> i) & 1); + + /* Store axis states with linux driver */ + + input_report_abs(port->dev, ABS_X, port->xaxes); + input_report_abs(port->dev, ABS_Y, port->yaxes); + + /* Tell the receiver of the events to process them */ + + input_sync(port->dev); + + port->dirty = 0; +} + +/* + * Get the multiport state. + */ + +static void grip_poll(struct gameport *gameport) +{ + struct grip_mp *grip = gameport_get_drvdata(gameport); + int i, npkts, flags; + + for (npkts = 0; npkts < 4; npkts++) { + flags = IO_RETRY; + for (i = 0; i < 32; i++) { + flags = get_and_decode_packet(grip, flags); + if ((flags & IO_GOT_PACKET) || !(flags & IO_RETRY)) + break; + } + if (flags & IO_DONE) + break; + } + + for (i = 0; i < 4; i++) + if (grip->port[i]->dirty) + report_slot(grip, i); +} + +/* + * Called when a joystick device file is opened + */ + +static int grip_open(struct input_dev *dev) +{ + struct grip_mp *grip = input_get_drvdata(dev); + + gameport_start_polling(grip->gameport); + return 0; +} + +/* + * Called when a joystick device file is closed + */ + +static void grip_close(struct input_dev *dev) +{ + struct grip_mp *grip = input_get_drvdata(dev); + + gameport_stop_polling(grip->gameport); +} + +/* + * Tell the linux input layer about a newly plugged-in gamepad. + */ + +static int register_slot(int slot, struct grip_mp *grip) +{ + struct grip_port *port = grip->port[slot]; + struct input_dev *input_dev; + int j, t; + int err; + + port->dev = input_dev = input_allocate_device(); + if (!input_dev) + return -ENOMEM; + + input_dev->name = grip_name[port->mode]; + input_dev->id.bustype = BUS_GAMEPORT; + input_dev->id.vendor = GAMEPORT_ID_VENDOR_GRAVIS; + input_dev->id.product = 0x0100 + port->mode; + input_dev->id.version = 0x0100; + input_dev->dev.parent = &grip->gameport->dev; + + input_set_drvdata(input_dev, grip); + + input_dev->open = grip_open; + input_dev->close = grip_close; + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + + for (j = 0; (t = grip_abs[port->mode][j]) >= 0; j++) + input_set_abs_params(input_dev, t, -1, 1, 0, 0); + + for (j = 0; (t = grip_btn[port->mode][j]) >= 0; j++) + if (t > 0) + set_bit(t, input_dev->keybit); + + err = input_register_device(port->dev); + if (err) { + input_free_device(port->dev); + return err; + } + + port->registered = 1; + + if (port->dirty) /* report initial state, if any */ + report_slot(grip, slot); + + return 0; +} + +static int grip_connect(struct gameport *gameport, struct gameport_driver *drv) +{ + struct grip_mp *grip; + int err; + + if (!(grip = kzalloc(sizeof(struct grip_mp), GFP_KERNEL))) + return -ENOMEM; + + grip->gameport = gameport; + + gameport_set_drvdata(gameport, grip); + + err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW); + if (err) + goto fail1; + + gameport_set_poll_handler(gameport, grip_poll); + gameport_set_poll_interval(gameport, 20); + + if (!multiport_init(grip)) { + err = -ENODEV; + goto fail2; + } + + if (!grip->port[0]->mode && !grip->port[1]->mode && !grip->port[2]->mode && !grip->port[3]->mode) { + /* nothing plugged in */ + err = -ENODEV; + goto fail2; + } + + return 0; + +fail2: gameport_close(gameport); +fail1: gameport_set_drvdata(gameport, NULL); + kfree(grip); + return err; +} + +static void grip_disconnect(struct gameport *gameport) +{ + struct grip_mp *grip = gameport_get_drvdata(gameport); + int i; + + for (i = 0; i < 4; i++) + if (grip->port[i]->registered) + input_unregister_device(grip->port[i]->dev); + gameport_close(gameport); + gameport_set_drvdata(gameport, NULL); + kfree(grip); +} + +static struct gameport_driver grip_drv = { + .driver = { + .name = "grip_mp", + }, + .description = DRIVER_DESC, + .connect = grip_connect, + .disconnect = grip_disconnect, +}; + +static int __init grip_init(void) +{ + return gameport_register_driver(&grip_drv); +} + +static void __exit grip_exit(void) +{ + gameport_unregister_driver(&grip_drv); +} + +module_init(grip_init); +module_exit(grip_exit); diff --git a/drivers/input/joystick/guillemot.c b/drivers/input/joystick/guillemot.c new file mode 100644 index 0000000..4058d4b --- /dev/null +++ b/drivers/input/joystick/guillemot.c @@ -0,0 +1,295 @@ +/* + * Copyright (c) 2001 Vojtech Pavlik + */ + +/* + * Guillemot Digital Interface Protocol driver for Linux + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/gameport.h> +#include <linux/input.h> +#include <linux/jiffies.h> + +#define DRIVER_DESC "Guillemot Digital joystick driver" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +#define GUILLEMOT_MAX_START 600 /* 600 us */ +#define GUILLEMOT_MAX_STROBE 60 /* 60 us */ +#define GUILLEMOT_MAX_LENGTH 17 /* 17 bytes */ + +static short guillemot_abs_pad[] = + { ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, -1 }; + +static short guillemot_btn_pad[] = + { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_MODE, BTN_SELECT, -1 }; + +static struct { + int x; + int y; +} guillemot_hat_to_axis[16] = {{ 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}}; + +struct guillemot_type { + unsigned char id; + short *abs; + short *btn; + int hat; + char *name; +}; + +struct guillemot { + struct gameport *gameport; + struct input_dev *dev; + int bads; + int reads; + struct guillemot_type *type; + unsigned char length; + char phys[32]; +}; + +static struct guillemot_type guillemot_type[] = { + { 0x00, guillemot_abs_pad, guillemot_btn_pad, 1, "Guillemot Pad" }, + { 0 }}; + +/* + * guillemot_read_packet() reads Guillemot joystick data. + */ + +static int guillemot_read_packet(struct gameport *gameport, u8 *data) +{ + unsigned long flags; + unsigned char u, v; + unsigned int t, s; + int i; + + for (i = 0; i < GUILLEMOT_MAX_LENGTH; i++) + data[i] = 0; + + i = 0; + t = gameport_time(gameport, GUILLEMOT_MAX_START); + s = gameport_time(gameport, GUILLEMOT_MAX_STROBE); + + local_irq_save(flags); + gameport_trigger(gameport); + v = gameport_read(gameport); + + while (t > 0 && i < GUILLEMOT_MAX_LENGTH * 8) { + t--; + u = v; v = gameport_read(gameport); + if (v & ~u & 0x10) { + data[i >> 3] |= ((v >> 5) & 1) << (i & 7); + i++; + t = s; + } + } + + local_irq_restore(flags); + + return i; +} + +/* + * guillemot_poll() reads and analyzes Guillemot joystick data. + */ + +static void guillemot_poll(struct gameport *gameport) +{ + struct guillemot *guillemot = gameport_get_drvdata(gameport); + struct input_dev *dev = guillemot->dev; + u8 data[GUILLEMOT_MAX_LENGTH]; + int i; + + guillemot->reads++; + + if (guillemot_read_packet(guillemot->gameport, data) != GUILLEMOT_MAX_LENGTH * 8 || + data[0] != 0x55 || data[16] != 0xaa) { + guillemot->bads++; + } else { + + for (i = 0; i < 6 && guillemot->type->abs[i] >= 0; i++) + input_report_abs(dev, guillemot->type->abs[i], data[i + 5]); + + if (guillemot->type->hat) { + input_report_abs(dev, ABS_HAT0X, guillemot_hat_to_axis[data[4] >> 4].x); + input_report_abs(dev, ABS_HAT0Y, guillemot_hat_to_axis[data[4] >> 4].y); + } + + for (i = 0; i < 16 && guillemot->type->btn[i] >= 0; i++) + input_report_key(dev, guillemot->type->btn[i], (data[2 + (i >> 3)] >> (i & 7)) & 1); + } + + input_sync(dev); +} + +/* + * guillemot_open() is a callback from the input open routine. + */ + +static int guillemot_open(struct input_dev *dev) +{ + struct guillemot *guillemot = input_get_drvdata(dev); + + gameport_start_polling(guillemot->gameport); + return 0; +} + +/* + * guillemot_close() is a callback from the input close routine. + */ + +static void guillemot_close(struct input_dev *dev) +{ + struct guillemot *guillemot = input_get_drvdata(dev); + + gameport_stop_polling(guillemot->gameport); +} + +/* + * guillemot_connect() probes for Guillemot joysticks. + */ + +static int guillemot_connect(struct gameport *gameport, struct gameport_driver *drv) +{ + struct guillemot *guillemot; + struct input_dev *input_dev; + u8 data[GUILLEMOT_MAX_LENGTH]; + int i, t; + int err; + + guillemot = kzalloc(sizeof(struct guillemot), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!guillemot || !input_dev) { + err = -ENOMEM; + goto fail1; + } + + guillemot->gameport = gameport; + guillemot->dev = input_dev; + + gameport_set_drvdata(gameport, guillemot); + + err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW); + if (err) + goto fail1; + + i = guillemot_read_packet(gameport, data); + + if (i != GUILLEMOT_MAX_LENGTH * 8 || data[0] != 0x55 || data[16] != 0xaa) { + err = -ENODEV; + goto fail2; + } + + for (i = 0; guillemot_type[i].name; i++) + if (guillemot_type[i].id == data[11]) + break; + + if (!guillemot_type[i].name) { + printk(KERN_WARNING "guillemot.c: Unknown joystick on %s. [ %02x%02x:%04x, ver %d.%02d ]\n", + gameport->phys, data[12], data[13], data[11], data[14], data[15]); + err = -ENODEV; + goto fail2; + } + + gameport_set_poll_handler(gameport, guillemot_poll); + gameport_set_poll_interval(gameport, 20); + + snprintf(guillemot->phys, sizeof(guillemot->phys), "%s/input0", gameport->phys); + guillemot->type = guillemot_type + i; + + input_dev->name = guillemot_type[i].name; + input_dev->phys = guillemot->phys; + input_dev->id.bustype = BUS_GAMEPORT; + input_dev->id.vendor = GAMEPORT_ID_VENDOR_GUILLEMOT; + input_dev->id.product = guillemot_type[i].id; + input_dev->id.version = (int)data[14] << 8 | data[15]; + input_dev->dev.parent = &gameport->dev; + + input_set_drvdata(input_dev, guillemot); + + input_dev->open = guillemot_open; + input_dev->close = guillemot_close; + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + + for (i = 0; (t = guillemot->type->abs[i]) >= 0; i++) + input_set_abs_params(input_dev, t, 0, 255, 0, 0); + + if (guillemot->type->hat) { + input_set_abs_params(input_dev, ABS_HAT0X, -1, 1, 0, 0); + input_set_abs_params(input_dev, ABS_HAT0Y, -1, 1, 0, 0); + } + + for (i = 0; (t = guillemot->type->btn[i]) >= 0; i++) + set_bit(t, input_dev->keybit); + + err = input_register_device(guillemot->dev); + if (err) + goto fail2; + + return 0; + +fail2: gameport_close(gameport); +fail1: gameport_set_drvdata(gameport, NULL); + input_free_device(input_dev); + kfree(guillemot); + return err; +} + +static void guillemot_disconnect(struct gameport *gameport) +{ + struct guillemot *guillemot = gameport_get_drvdata(gameport); + + printk(KERN_INFO "guillemot.c: Failed %d reads out of %d on %s\n", guillemot->reads, guillemot->bads, guillemot->phys); + input_unregister_device(guillemot->dev); + gameport_close(gameport); + kfree(guillemot); +} + +static struct gameport_driver guillemot_drv = { + .driver = { + .name = "guillemot", + }, + .description = DRIVER_DESC, + .connect = guillemot_connect, + .disconnect = guillemot_disconnect, +}; + +static int __init guillemot_init(void) +{ + return gameport_register_driver(&guillemot_drv); +} + +static void __exit guillemot_exit(void) +{ + gameport_unregister_driver(&guillemot_drv); +} + +module_init(guillemot_init); +module_exit(guillemot_exit); diff --git a/drivers/input/joystick/iforce/Kconfig b/drivers/input/joystick/iforce/Kconfig new file mode 100644 index 0000000..8fde22a --- /dev/null +++ b/drivers/input/joystick/iforce/Kconfig @@ -0,0 +1,32 @@ +# +# I-Force driver configuration +# +config JOYSTICK_IFORCE + tristate "I-Force devices" + depends on INPUT && INPUT_JOYSTICK + help + Say Y here if you have an I-Force joystick or steering wheel + + You also must choose at least one of the two options below. + + To compile this driver as a module, choose M here: the + module will be called iforce. + +config JOYSTICK_IFORCE_USB + bool "I-Force USB joysticks and wheels" + depends on JOYSTICK_IFORCE && (JOYSTICK_IFORCE=m || USB=y) && USB + help + Say Y here if you have an I-Force joystick or steering wheel + connected to your USB port. + +config JOYSTICK_IFORCE_232 + bool "I-Force Serial joysticks and wheels" + depends on JOYSTICK_IFORCE && (JOYSTICK_IFORCE=m || SERIO=y) && SERIO + help + Say Y here if you have an I-Force joystick or steering wheel + connected to your serial (COM) port. + + You will need an additional utility called inputattach, see + <file:Documentation/input/joystick.txt> + and <file:Documentation/input/ff.txt>. + diff --git a/drivers/input/joystick/iforce/Makefile b/drivers/input/joystick/iforce/Makefile new file mode 100644 index 0000000..74daff4 --- /dev/null +++ b/drivers/input/joystick/iforce/Makefile @@ -0,0 +1,20 @@ +# +# Makefile for the I-Force driver +# +# By Johann Deneux <johann.deneux@gmail.com> +# + +# Goal definition +iforce-objs := iforce-ff.o iforce-main.o iforce-packets.o + +obj-$(CONFIG_JOYSTICK_IFORCE) += iforce.o + +ifeq ($(CONFIG_JOYSTICK_IFORCE_232),y) + iforce-objs += iforce-serio.o +endif + +ifeq ($(CONFIG_JOYSTICK_IFORCE_USB),y) + iforce-objs += iforce-usb.o +endif + +EXTRA_CFLAGS = -Werror-implicit-function-declaration diff --git a/drivers/input/joystick/iforce/iforce-ff.c b/drivers/input/joystick/iforce/iforce-ff.c new file mode 100644 index 0000000..0de9a09 --- /dev/null +++ b/drivers/input/joystick/iforce/iforce-ff.c @@ -0,0 +1,543 @@ +/* + * Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz> + * Copyright (c) 2001-2002, 2007 Johann Deneux <johann.deneux@gmail.com> + * + * USB/RS232 I-Force joysticks and wheels. + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include "iforce.h" + +/* + * Set the magnitude of a constant force effect + * Return error code + * + * Note: caller must ensure exclusive access to device + */ + +static int make_magnitude_modifier(struct iforce* iforce, + struct resource* mod_chunk, int no_alloc, __s16 level) +{ + unsigned char data[3]; + + if (!no_alloc) { + mutex_lock(&iforce->mem_mutex); + if (allocate_resource(&(iforce->device_memory), mod_chunk, 2, + iforce->device_memory.start, iforce->device_memory.end, 2L, + NULL, NULL)) { + mutex_unlock(&iforce->mem_mutex); + return -ENOSPC; + } + mutex_unlock(&iforce->mem_mutex); + } + + data[0] = LO(mod_chunk->start); + data[1] = HI(mod_chunk->start); + data[2] = HIFIX80(level); + + iforce_send_packet(iforce, FF_CMD_MAGNITUDE, data); + + iforce_dump_packet("magnitude: ", FF_CMD_MAGNITUDE, data); + return 0; +} + +/* + * Upload the component of an effect dealing with the period, phase and magnitude + */ + +static int make_period_modifier(struct iforce* iforce, + struct resource* mod_chunk, int no_alloc, + __s16 magnitude, __s16 offset, u16 period, u16 phase) +{ + unsigned char data[7]; + + period = TIME_SCALE(period); + + if (!no_alloc) { + mutex_lock(&iforce->mem_mutex); + if (allocate_resource(&(iforce->device_memory), mod_chunk, 0x0c, + iforce->device_memory.start, iforce->device_memory.end, 2L, + NULL, NULL)) { + mutex_unlock(&iforce->mem_mutex); + return -ENOSPC; + } + mutex_unlock(&iforce->mem_mutex); + } + + data[0] = LO(mod_chunk->start); + data[1] = HI(mod_chunk->start); + + data[2] = HIFIX80(magnitude); + data[3] = HIFIX80(offset); + data[4] = HI(phase); + + data[5] = LO(period); + data[6] = HI(period); + + iforce_send_packet(iforce, FF_CMD_PERIOD, data); + + return 0; +} + +/* + * Uploads the part of an effect setting the envelope of the force + */ + +static int make_envelope_modifier(struct iforce* iforce, + struct resource* mod_chunk, int no_alloc, + u16 attack_duration, __s16 initial_level, + u16 fade_duration, __s16 final_level) +{ + unsigned char data[8]; + + attack_duration = TIME_SCALE(attack_duration); + fade_duration = TIME_SCALE(fade_duration); + + if (!no_alloc) { + mutex_lock(&iforce->mem_mutex); + if (allocate_resource(&(iforce->device_memory), mod_chunk, 0x0e, + iforce->device_memory.start, iforce->device_memory.end, 2L, + NULL, NULL)) { + mutex_unlock(&iforce->mem_mutex); + return -ENOSPC; + } + mutex_unlock(&iforce->mem_mutex); + } + + data[0] = LO(mod_chunk->start); + data[1] = HI(mod_chunk->start); + + data[2] = LO(attack_duration); + data[3] = HI(attack_duration); + data[4] = HI(initial_level); + + data[5] = LO(fade_duration); + data[6] = HI(fade_duration); + data[7] = HI(final_level); + + iforce_send_packet(iforce, FF_CMD_ENVELOPE, data); + + return 0; +} + +/* + * Component of spring, friction, inertia... effects + */ + +static int make_condition_modifier(struct iforce* iforce, + struct resource* mod_chunk, int no_alloc, + __u16 rsat, __u16 lsat, __s16 rk, __s16 lk, u16 db, __s16 center) +{ + unsigned char data[10]; + + if (!no_alloc) { + mutex_lock(&iforce->mem_mutex); + if (allocate_resource(&(iforce->device_memory), mod_chunk, 8, + iforce->device_memory.start, iforce->device_memory.end, 2L, + NULL, NULL)) { + mutex_unlock(&iforce->mem_mutex); + return -ENOSPC; + } + mutex_unlock(&iforce->mem_mutex); + } + + data[0] = LO(mod_chunk->start); + data[1] = HI(mod_chunk->start); + + data[2] = (100 * rk) >> 15; /* Dangerous: the sign is extended by gcc on plateforms providing an arith shift */ + data[3] = (100 * lk) >> 15; /* This code is incorrect on cpus lacking arith shift */ + + center = (500 * center) >> 15; + data[4] = LO(center); + data[5] = HI(center); + + db = (1000 * db) >> 16; + data[6] = LO(db); + data[7] = HI(db); + + data[8] = (100 * rsat) >> 16; + data[9] = (100 * lsat) >> 16; + + iforce_send_packet(iforce, FF_CMD_CONDITION, data); + iforce_dump_packet("condition", FF_CMD_CONDITION, data); + + return 0; +} + +static unsigned char find_button(struct iforce *iforce, signed short button) +{ + int i; + + for (i = 1; iforce->type->btn[i] >= 0; i++) + if (iforce->type->btn[i] == button) + return i + 1; + return 0; +} + +/* + * Analyse the changes in an effect, and tell if we need to send an condition + * parameter packet + */ +static int need_condition_modifier(struct iforce *iforce, + struct ff_effect *old, + struct ff_effect *new) +{ + int ret = 0; + int i; + + if (new->type != FF_SPRING && new->type != FF_FRICTION) { + dev_warn(&iforce->dev->dev, "bad effect type in %s\n", + __func__); + return 0; + } + + for (i = 0; i < 2; i++) { + ret |= old->u.condition[i].right_saturation != new->u.condition[i].right_saturation + || old->u.condition[i].left_saturation != new->u.condition[i].left_saturation + || old->u.condition[i].right_coeff != new->u.condition[i].right_coeff + || old->u.condition[i].left_coeff != new->u.condition[i].left_coeff + || old->u.condition[i].deadband != new->u.condition[i].deadband + || old->u.condition[i].center != new->u.condition[i].center; + } + return ret; +} + +/* + * Analyse the changes in an effect, and tell if we need to send a magnitude + * parameter packet + */ +static int need_magnitude_modifier(struct iforce *iforce, + struct ff_effect *old, + struct ff_effect *effect) +{ + if (effect->type != FF_CONSTANT) { + dev_warn(&iforce->dev->dev, "bad effect type in %s\n", + __func__); + return 0; + } + + return old->u.constant.level != effect->u.constant.level; +} + +/* + * Analyse the changes in an effect, and tell if we need to send an envelope + * parameter packet + */ +static int need_envelope_modifier(struct iforce *iforce, struct ff_effect *old, + struct ff_effect *effect) +{ + switch (effect->type) { + case FF_CONSTANT: + if (old->u.constant.envelope.attack_length != effect->u.constant.envelope.attack_length + || old->u.constant.envelope.attack_level != effect->u.constant.envelope.attack_level + || old->u.constant.envelope.fade_length != effect->u.constant.envelope.fade_length + || old->u.constant.envelope.fade_level != effect->u.constant.envelope.fade_level) + return 1; + break; + + case FF_PERIODIC: + if (old->u.periodic.envelope.attack_length != effect->u.periodic.envelope.attack_length + || old->u.periodic.envelope.attack_level != effect->u.periodic.envelope.attack_level + || old->u.periodic.envelope.fade_length != effect->u.periodic.envelope.fade_length + || old->u.periodic.envelope.fade_level != effect->u.periodic.envelope.fade_level) + return 1; + break; + + default: + dev_warn(&iforce->dev->dev, "bad effect type in %s\n", + __func__); + } + + return 0; +} + +/* + * Analyse the changes in an effect, and tell if we need to send a periodic + * parameter effect + */ +static int need_period_modifier(struct iforce *iforce, struct ff_effect *old, + struct ff_effect *new) +{ + if (new->type != FF_PERIODIC) { + dev_warn(&iforce->dev->dev, "bad effect type in %s\n", + __func__); + return 0; + } + return (old->u.periodic.period != new->u.periodic.period + || old->u.periodic.magnitude != new->u.periodic.magnitude + || old->u.periodic.offset != new->u.periodic.offset + || old->u.periodic.phase != new->u.periodic.phase); +} + +/* + * Analyse the changes in an effect, and tell if we need to send an effect + * packet + */ +static int need_core(struct ff_effect *old, struct ff_effect *new) +{ + if (old->direction != new->direction + || old->trigger.button != new->trigger.button + || old->trigger.interval != new->trigger.interval + || old->replay.length != new->replay.length + || old->replay.delay != new->replay.delay) + return 1; + + return 0; +} +/* + * Send the part common to all effects to the device + */ +static int make_core(struct iforce* iforce, u16 id, u16 mod_id1, u16 mod_id2, + u8 effect_type, u8 axes, u16 duration, u16 delay, u16 button, + u16 interval, u16 direction) +{ + unsigned char data[14]; + + duration = TIME_SCALE(duration); + delay = TIME_SCALE(delay); + interval = TIME_SCALE(interval); + + data[0] = LO(id); + data[1] = effect_type; + data[2] = LO(axes) | find_button(iforce, button); + + data[3] = LO(duration); + data[4] = HI(duration); + + data[5] = HI(direction); + + data[6] = LO(interval); + data[7] = HI(interval); + + data[8] = LO(mod_id1); + data[9] = HI(mod_id1); + data[10] = LO(mod_id2); + data[11] = HI(mod_id2); + + data[12] = LO(delay); + data[13] = HI(delay); + + /* Stop effect */ +/* iforce_control_playback(iforce, id, 0);*/ + + iforce_send_packet(iforce, FF_CMD_EFFECT, data); + + /* If needed, restart effect */ + if (test_bit(FF_CORE_SHOULD_PLAY, iforce->core_effects[id].flags)) { + /* BUG: perhaps we should replay n times, instead of 1. But we do not know n */ + iforce_control_playback(iforce, id, 1); + } + + return 0; +} + +/* + * Upload a periodic effect to the device + * See also iforce_upload_constant. + */ +int iforce_upload_periodic(struct iforce *iforce, struct ff_effect *effect, struct ff_effect *old) +{ + u8 wave_code; + int core_id = effect->id; + struct iforce_core_effect* core_effect = iforce->core_effects + core_id; + struct resource* mod1_chunk = &(iforce->core_effects[core_id].mod1_chunk); + struct resource* mod2_chunk = &(iforce->core_effects[core_id].mod2_chunk); + int param1_err = 1; + int param2_err = 1; + int core_err = 0; + + if (!old || need_period_modifier(iforce, old, effect)) { + param1_err = make_period_modifier(iforce, mod1_chunk, + old != NULL, + effect->u.periodic.magnitude, effect->u.periodic.offset, + effect->u.periodic.period, effect->u.periodic.phase); + if (param1_err) + return param1_err; + set_bit(FF_MOD1_IS_USED, core_effect->flags); + } + + if (!old || need_envelope_modifier(iforce, old, effect)) { + param2_err = make_envelope_modifier(iforce, mod2_chunk, + old !=NULL, + effect->u.periodic.envelope.attack_length, + effect->u.periodic.envelope.attack_level, + effect->u.periodic.envelope.fade_length, + effect->u.periodic.envelope.fade_level); + if (param2_err) + return param2_err; + set_bit(FF_MOD2_IS_USED, core_effect->flags); + } + + switch (effect->u.periodic.waveform) { + case FF_SQUARE: wave_code = 0x20; break; + case FF_TRIANGLE: wave_code = 0x21; break; + case FF_SINE: wave_code = 0x22; break; + case FF_SAW_UP: wave_code = 0x23; break; + case FF_SAW_DOWN: wave_code = 0x24; break; + default: wave_code = 0x20; break; + } + + if (!old || need_core(old, effect)) { + core_err = make_core(iforce, effect->id, + mod1_chunk->start, + mod2_chunk->start, + wave_code, + 0x20, + effect->replay.length, + effect->replay.delay, + effect->trigger.button, + effect->trigger.interval, + effect->direction); + } + + /* If one of the parameter creation failed, we already returned an + * error code. + * If the core creation failed, we return its error code. + * Else: if one parameter at least was created, we return 0 + * else we return 1; + */ + return core_err < 0 ? core_err : (param1_err && param2_err); +} + +/* + * Upload a constant force effect + * Return value: + * <0 Error code + * 0 Ok, effect created or updated + * 1 effect did not change since last upload, and no packet was therefore sent + */ +int iforce_upload_constant(struct iforce *iforce, struct ff_effect *effect, struct ff_effect *old) +{ + int core_id = effect->id; + struct iforce_core_effect* core_effect = iforce->core_effects + core_id; + struct resource* mod1_chunk = &(iforce->core_effects[core_id].mod1_chunk); + struct resource* mod2_chunk = &(iforce->core_effects[core_id].mod2_chunk); + int param1_err = 1; + int param2_err = 1; + int core_err = 0; + + if (!old || need_magnitude_modifier(iforce, old, effect)) { + param1_err = make_magnitude_modifier(iforce, mod1_chunk, + old != NULL, + effect->u.constant.level); + if (param1_err) + return param1_err; + set_bit(FF_MOD1_IS_USED, core_effect->flags); + } + + if (!old || need_envelope_modifier(iforce, old, effect)) { + param2_err = make_envelope_modifier(iforce, mod2_chunk, + old != NULL, + effect->u.constant.envelope.attack_length, + effect->u.constant.envelope.attack_level, + effect->u.constant.envelope.fade_length, + effect->u.constant.envelope.fade_level); + if (param2_err) + return param2_err; + set_bit(FF_MOD2_IS_USED, core_effect->flags); + } + + if (!old || need_core(old, effect)) { + core_err = make_core(iforce, effect->id, + mod1_chunk->start, + mod2_chunk->start, + 0x00, + 0x20, + effect->replay.length, + effect->replay.delay, + effect->trigger.button, + effect->trigger.interval, + effect->direction); + } + + /* If one of the parameter creation failed, we already returned an + * error code. + * If the core creation failed, we return its error code. + * Else: if one parameter at least was created, we return 0 + * else we return 1; + */ + return core_err < 0 ? core_err : (param1_err && param2_err); +} + +/* + * Upload an condition effect. Those are for example friction, inertia, springs... + */ +int iforce_upload_condition(struct iforce *iforce, struct ff_effect *effect, struct ff_effect *old) +{ + int core_id = effect->id; + struct iforce_core_effect* core_effect = iforce->core_effects + core_id; + struct resource* mod1_chunk = &(core_effect->mod1_chunk); + struct resource* mod2_chunk = &(core_effect->mod2_chunk); + u8 type; + int param_err = 1; + int core_err = 0; + + switch (effect->type) { + case FF_SPRING: type = 0x40; break; + case FF_DAMPER: type = 0x41; break; + default: return -1; + } + + if (!old || need_condition_modifier(iforce, old, effect)) { + param_err = make_condition_modifier(iforce, mod1_chunk, + old != NULL, + effect->u.condition[0].right_saturation, + effect->u.condition[0].left_saturation, + effect->u.condition[0].right_coeff, + effect->u.condition[0].left_coeff, + effect->u.condition[0].deadband, + effect->u.condition[0].center); + if (param_err) + return param_err; + set_bit(FF_MOD1_IS_USED, core_effect->flags); + + param_err = make_condition_modifier(iforce, mod2_chunk, + old != NULL, + effect->u.condition[1].right_saturation, + effect->u.condition[1].left_saturation, + effect->u.condition[1].right_coeff, + effect->u.condition[1].left_coeff, + effect->u.condition[1].deadband, + effect->u.condition[1].center); + if (param_err) + return param_err; + set_bit(FF_MOD2_IS_USED, core_effect->flags); + + } + + if (!old || need_core(old, effect)) { + core_err = make_core(iforce, effect->id, + mod1_chunk->start, mod2_chunk->start, + type, 0xc0, + effect->replay.length, effect->replay.delay, + effect->trigger.button, effect->trigger.interval, + effect->direction); + } + + /* If the parameter creation failed, we already returned an + * error code. + * If the core creation failed, we return its error code. + * Else: if a parameter was created, we return 0 + * else we return 1; + */ + return core_err < 0 ? core_err : param_err; +} diff --git a/drivers/input/joystick/iforce/iforce-main.c b/drivers/input/joystick/iforce/iforce-main.c new file mode 100644 index 0000000..baabf83 --- /dev/null +++ b/drivers/input/joystick/iforce/iforce-main.c @@ -0,0 +1,496 @@ +/* + * Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz> + * Copyright (c) 2001-2002, 2007 Johann Deneux <johann.deneux@gmail.com> + * + * USB/RS232 I-Force joysticks and wheels. + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include "iforce.h" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>, Johann Deneux <johann.deneux@gmail.com>"); +MODULE_DESCRIPTION("USB/RS232 I-Force joysticks and wheels driver"); +MODULE_LICENSE("GPL"); + +static signed short btn_joystick[] = +{ BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE, + BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_BASE5, BTN_A, BTN_B, BTN_C, -1 }; + +static signed short btn_avb_pegasus[] = +{ BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE, + BTN_BASE2, BTN_BASE3, BTN_BASE4, -1 }; + +static signed short btn_wheel[] = +{ BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE, + BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_BASE5, BTN_A, BTN_B, BTN_C, -1 }; + +static signed short btn_avb_tw[] = +{ BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE, + BTN_BASE2, BTN_BASE3, BTN_BASE4, -1 }; + +static signed short btn_avb_wheel[] = +{ BTN_GEAR_DOWN, BTN_GEAR_UP, BTN_BASE, BTN_BASE2, BTN_BASE3, + BTN_BASE4, BTN_BASE5, BTN_BASE6, -1 }; + +static signed short abs_joystick[] = +{ ABS_X, ABS_Y, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y, -1 }; + +static signed short abs_avb_pegasus[] = +{ ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_HAT0X, ABS_HAT0Y, + ABS_HAT1X, ABS_HAT1Y, -1 }; + +static signed short abs_wheel[] = +{ ABS_WHEEL, ABS_GAS, ABS_BRAKE, ABS_HAT0X, ABS_HAT0Y, -1 }; + +static signed short ff_iforce[] = +{ FF_PERIODIC, FF_CONSTANT, FF_SPRING, FF_DAMPER, + FF_SQUARE, FF_TRIANGLE, FF_SINE, FF_SAW_UP, FF_SAW_DOWN, FF_GAIN, + FF_AUTOCENTER, -1 }; + +static struct iforce_device iforce_device[] = { + { 0x044f, 0xa01c, "Thrustmaster Motor Sport GT", btn_wheel, abs_wheel, ff_iforce }, + { 0x046d, 0xc281, "Logitech WingMan Force", btn_joystick, abs_joystick, ff_iforce }, + { 0x046d, 0xc291, "Logitech WingMan Formula Force", btn_wheel, abs_wheel, ff_iforce }, + { 0x05ef, 0x020a, "AVB Top Shot Pegasus", btn_avb_pegasus, abs_avb_pegasus, ff_iforce }, + { 0x05ef, 0x8884, "AVB Mag Turbo Force", btn_avb_wheel, abs_wheel, ff_iforce }, + { 0x05ef, 0x8888, "AVB Top Shot Force Feedback Racing Wheel", btn_avb_tw, abs_wheel, ff_iforce }, //? + { 0x061c, 0xc0a4, "ACT LABS Force RS", btn_wheel, abs_wheel, ff_iforce }, //? + { 0x06f8, 0x0001, "Guillemot Race Leader Force Feedback", btn_wheel, abs_wheel, ff_iforce }, //? + { 0x06f8, 0x0004, "Guillemot Force Feedback Racing Wheel", btn_wheel, abs_wheel, ff_iforce }, //? + { 0x06f8, 0x0004, "Gullemot Jet Leader 3D", btn_joystick, abs_joystick, ff_iforce }, //? + { 0x06d6, 0x29bc, "Trust Force Feedback Race Master", btn_wheel, abs_wheel, ff_iforce }, + { 0x0000, 0x0000, "Unknown I-Force Device [%04x:%04x]", btn_joystick, abs_joystick, ff_iforce } +}; + +static int iforce_playback(struct input_dev *dev, int effect_id, int value) +{ + struct iforce *iforce = input_get_drvdata(dev); + struct iforce_core_effect *core_effect = &iforce->core_effects[effect_id]; + + if (value > 0) + set_bit(FF_CORE_SHOULD_PLAY, core_effect->flags); + else + clear_bit(FF_CORE_SHOULD_PLAY, core_effect->flags); + + iforce_control_playback(iforce, effect_id, value); + return 0; +} + +static void iforce_set_gain(struct input_dev *dev, u16 gain) +{ + struct iforce *iforce = input_get_drvdata(dev); + unsigned char data[3]; + + data[0] = gain >> 9; + iforce_send_packet(iforce, FF_CMD_GAIN, data); +} + +static void iforce_set_autocenter(struct input_dev *dev, u16 magnitude) +{ + struct iforce *iforce = input_get_drvdata(dev); + unsigned char data[3]; + + data[0] = 0x03; + data[1] = magnitude >> 9; + iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data); + + data[0] = 0x04; + data[1] = 0x01; + iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data); +} + +/* + * Function called when an ioctl is performed on the event dev entry. + * It uploads an effect to the device + */ +static int iforce_upload_effect(struct input_dev *dev, struct ff_effect *effect, struct ff_effect *old) +{ + struct iforce *iforce = input_get_drvdata(dev); + struct iforce_core_effect *core_effect = &iforce->core_effects[effect->id]; + int ret; + + if (__test_and_set_bit(FF_CORE_IS_USED, core_effect->flags)) { + /* Check the effect is not already being updated */ + if (test_bit(FF_CORE_UPDATE, core_effect->flags)) + return -EAGAIN; + } + +/* + * Upload the effect + */ + switch (effect->type) { + + case FF_PERIODIC: + ret = iforce_upload_periodic(iforce, effect, old); + break; + + case FF_CONSTANT: + ret = iforce_upload_constant(iforce, effect, old); + break; + + case FF_SPRING: + case FF_DAMPER: + ret = iforce_upload_condition(iforce, effect, old); + break; + + default: + return -EINVAL; + } + + if (ret == 0) { + /* A packet was sent, forbid new updates until we are notified + * that the packet was updated + */ + set_bit(FF_CORE_UPDATE, core_effect->flags); + } + return ret; +} + +/* + * Erases an effect: it frees the effect id and mark as unused the memory + * allocated for the parameters + */ +static int iforce_erase_effect(struct input_dev *dev, int effect_id) +{ + struct iforce *iforce = input_get_drvdata(dev); + struct iforce_core_effect *core_effect = &iforce->core_effects[effect_id]; + int err = 0; + + if (test_bit(FF_MOD1_IS_USED, core_effect->flags)) + err = release_resource(&core_effect->mod1_chunk); + + if (!err && test_bit(FF_MOD2_IS_USED, core_effect->flags)) + err = release_resource(&core_effect->mod2_chunk); + + /* TODO: remember to change that if more FF_MOD* bits are added */ + core_effect->flags[0] = 0; + + return err; +} + +static int iforce_open(struct input_dev *dev) +{ + struct iforce *iforce = input_get_drvdata(dev); + + switch (iforce->bus) { +#ifdef CONFIG_JOYSTICK_IFORCE_USB + case IFORCE_USB: + iforce->irq->dev = iforce->usbdev; + if (usb_submit_urb(iforce->irq, GFP_KERNEL)) + return -EIO; + break; +#endif + } + + if (test_bit(EV_FF, dev->evbit)) { + /* Enable force feedback */ + iforce_send_packet(iforce, FF_CMD_ENABLE, "\004"); + } + + return 0; +} + +static void iforce_release(struct input_dev *dev) +{ + struct iforce *iforce = input_get_drvdata(dev); + int i; + + if (test_bit(EV_FF, dev->evbit)) { + /* Check: no effects should be present in memory */ + for (i = 0; i < dev->ff->max_effects; i++) { + if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags)) { + dev_warn(&dev->dev, + "%s: Device still owns effects\n", + __func__); + break; + } + } + + /* Disable force feedback playback */ + iforce_send_packet(iforce, FF_CMD_ENABLE, "\001"); + } + + switch (iforce->bus) { +#ifdef CONFIG_JOYSTICK_IFORCE_USB + case IFORCE_USB: + usb_kill_urb(iforce->irq); + + /* The device was unplugged before the file + * was released */ + if (iforce->usbdev == NULL) { + iforce_delete_device(iforce); + kfree(iforce); + } + break; +#endif + } +} + +void iforce_delete_device(struct iforce *iforce) +{ + switch (iforce->bus) { +#ifdef CONFIG_JOYSTICK_IFORCE_USB + case IFORCE_USB: + iforce_usb_delete(iforce); + break; +#endif +#ifdef CONFIG_JOYSTICK_IFORCE_232 + case IFORCE_232: + //TODO: Wait for the last packets to be sent + break; +#endif + } +} + +int iforce_init_device(struct iforce *iforce) +{ + struct input_dev *input_dev; + struct ff_device *ff; + unsigned char c[] = "CEOV"; + int i, error; + int ff_effects = 0; + + input_dev = input_allocate_device(); + if (!input_dev) + return -ENOMEM; + + init_waitqueue_head(&iforce->wait); + spin_lock_init(&iforce->xmit_lock); + mutex_init(&iforce->mem_mutex); + iforce->xmit.buf = iforce->xmit_data; + iforce->dev = input_dev; + +/* + * Input device fields. + */ + + switch (iforce->bus) { +#ifdef CONFIG_JOYSTICK_IFORCE_USB + case IFORCE_USB: + input_dev->id.bustype = BUS_USB; + input_dev->dev.parent = &iforce->usbdev->dev; + break; +#endif +#ifdef CONFIG_JOYSTICK_IFORCE_232 + case IFORCE_232: + input_dev->id.bustype = BUS_RS232; + input_dev->dev.parent = &iforce->serio->dev; + break; +#endif + } + + input_set_drvdata(input_dev, iforce); + + input_dev->name = "Unknown I-Force device"; + input_dev->open = iforce_open; + input_dev->close = iforce_release; + +/* + * On-device memory allocation. + */ + + iforce->device_memory.name = "I-Force device effect memory"; + iforce->device_memory.start = 0; + iforce->device_memory.end = 200; + iforce->device_memory.flags = IORESOURCE_MEM; + iforce->device_memory.parent = NULL; + iforce->device_memory.child = NULL; + iforce->device_memory.sibling = NULL; + +/* + * Wait until device ready - until it sends its first response. + */ + + for (i = 0; i < 20; i++) + if (!iforce_get_id_packet(iforce, "O")) + break; + + if (i == 20) { /* 5 seconds */ + err("Timeout waiting for response from device."); + error = -ENODEV; + goto fail; + } + +/* + * Get device info. + */ + + if (!iforce_get_id_packet(iforce, "M")) + input_dev->id.vendor = (iforce->edata[2] << 8) | iforce->edata[1]; + else + dev_warn(&iforce->dev->dev, "Device does not respond to id packet M\n"); + + if (!iforce_get_id_packet(iforce, "P")) + input_dev->id.product = (iforce->edata[2] << 8) | iforce->edata[1]; + else + dev_warn(&iforce->dev->dev, "Device does not respond to id packet P\n"); + + if (!iforce_get_id_packet(iforce, "B")) + iforce->device_memory.end = (iforce->edata[2] << 8) | iforce->edata[1]; + else + dev_warn(&iforce->dev->dev, "Device does not respond to id packet B\n"); + + if (!iforce_get_id_packet(iforce, "N")) + ff_effects = iforce->edata[1]; + else + dev_warn(&iforce->dev->dev, "Device does not respond to id packet N\n"); + + /* Check if the device can store more effects than the driver can really handle */ + if (ff_effects > IFORCE_EFFECTS_MAX) { + dev_warn(&iforce->dev->dev, "Limiting number of effects to %d (device reports %d)\n", + IFORCE_EFFECTS_MAX, ff_effects); + ff_effects = IFORCE_EFFECTS_MAX; + } + +/* + * Display additional info. + */ + + for (i = 0; c[i]; i++) + if (!iforce_get_id_packet(iforce, c + i)) + iforce_dump_packet("info", iforce->ecmd, iforce->edata); + +/* + * Disable spring, enable force feedback. + */ + iforce_set_autocenter(input_dev, 0); + +/* + * Find appropriate device entry + */ + + for (i = 0; iforce_device[i].idvendor; i++) + if (iforce_device[i].idvendor == input_dev->id.vendor && + iforce_device[i].idproduct == input_dev->id.product) + break; + + iforce->type = iforce_device + i; + input_dev->name = iforce->type->name; + +/* + * Set input device bitfields and ranges. + */ + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) | + BIT_MASK(EV_FF_STATUS); + + for (i = 0; iforce->type->btn[i] >= 0; i++) + set_bit(iforce->type->btn[i], input_dev->keybit); + set_bit(BTN_DEAD, input_dev->keybit); + + for (i = 0; iforce->type->abs[i] >= 0; i++) { + + signed short t = iforce->type->abs[i]; + + switch (t) { + + case ABS_X: + case ABS_Y: + case ABS_WHEEL: + + input_set_abs_params(input_dev, t, -1920, 1920, 16, 128); + set_bit(t, input_dev->ffbit); + break; + + case ABS_THROTTLE: + case ABS_GAS: + case ABS_BRAKE: + + input_set_abs_params(input_dev, t, 0, 255, 0, 0); + break; + + case ABS_RUDDER: + + input_set_abs_params(input_dev, t, -128, 127, 0, 0); + break; + + case ABS_HAT0X: + case ABS_HAT0Y: + case ABS_HAT1X: + case ABS_HAT1Y: + + input_set_abs_params(input_dev, t, -1, 1, 0, 0); + break; + } + } + + if (ff_effects) { + + for (i = 0; iforce->type->ff[i] >= 0; i++) + set_bit(iforce->type->ff[i], input_dev->ffbit); + + error = input_ff_create(input_dev, ff_effects); + if (error) + goto fail; + + ff = input_dev->ff; + ff->upload = iforce_upload_effect; + ff->erase = iforce_erase_effect; + ff->set_gain = iforce_set_gain; + ff->set_autocenter = iforce_set_autocenter; + ff->playback = iforce_playback; + } +/* + * Register input device. + */ + + error = input_register_device(iforce->dev); + if (error) + goto fail; + + return 0; + + fail: input_free_device(input_dev); + return error; +} + +static int __init iforce_init(void) +{ + int err = 0; + +#ifdef CONFIG_JOYSTICK_IFORCE_USB + err = usb_register(&iforce_usb_driver); + if (err) + return err; +#endif +#ifdef CONFIG_JOYSTICK_IFORCE_232 + err = serio_register_driver(&iforce_serio_drv); +#ifdef CONFIG_JOYSTICK_IFORCE_USB + if (err) + usb_deregister(&iforce_usb_driver); +#endif +#endif + return err; +} + +static void __exit iforce_exit(void) +{ +#ifdef CONFIG_JOYSTICK_IFORCE_USB + usb_deregister(&iforce_usb_driver); +#endif +#ifdef CONFIG_JOYSTICK_IFORCE_232 + serio_unregister_driver(&iforce_serio_drv); +#endif +} + +module_init(iforce_init); +module_exit(iforce_exit); diff --git a/drivers/input/joystick/iforce/iforce-packets.c b/drivers/input/joystick/iforce/iforce-packets.c new file mode 100644 index 0000000..a17b500 --- /dev/null +++ b/drivers/input/joystick/iforce/iforce-packets.c @@ -0,0 +1,303 @@ +/* + * Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz> + * Copyright (c) 2001-2002, 2007 Johann Deneux <johann.deneux@gmail.com> + * + * USB/RS232 I-Force joysticks and wheels. + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include "iforce.h" + +static struct { + __s32 x; + __s32 y; +} iforce_hat_to_axis[16] = {{ 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}}; + + +void iforce_dump_packet(char *msg, u16 cmd, unsigned char *data) +{ + int i; + + printk(KERN_DEBUG __FILE__ ": %s cmd = %04x, data = ", msg, cmd); + for (i = 0; i < LO(cmd); i++) + printk("%02x ", data[i]); + printk("\n"); +} + +/* + * Send a packet of bytes to the device + */ +int iforce_send_packet(struct iforce *iforce, u16 cmd, unsigned char* data) +{ + /* Copy data to buffer */ + int n = LO(cmd); + int c; + int empty; + int head, tail; + unsigned long flags; + +/* + * Update head and tail of xmit buffer + */ + spin_lock_irqsave(&iforce->xmit_lock, flags); + + head = iforce->xmit.head; + tail = iforce->xmit.tail; + + + if (CIRC_SPACE(head, tail, XMIT_SIZE) < n+2) { + dev_warn(&iforce->dev->dev, + "not enough space in xmit buffer to send new packet\n"); + spin_unlock_irqrestore(&iforce->xmit_lock, flags); + return -1; + } + + empty = head == tail; + XMIT_INC(iforce->xmit.head, n+2); + +/* + * Store packet in xmit buffer + */ + iforce->xmit.buf[head] = HI(cmd); + XMIT_INC(head, 1); + iforce->xmit.buf[head] = LO(cmd); + XMIT_INC(head, 1); + + c = CIRC_SPACE_TO_END(head, tail, XMIT_SIZE); + if (n < c) c=n; + + memcpy(&iforce->xmit.buf[head], + data, + c); + if (n != c) { + memcpy(&iforce->xmit.buf[0], + data + c, + n - c); + } + XMIT_INC(head, n); + + spin_unlock_irqrestore(&iforce->xmit_lock, flags); +/* + * If necessary, start the transmission + */ + switch (iforce->bus) { + +#ifdef CONFIG_JOYSTICK_IFORCE_232 + case IFORCE_232: + if (empty) + iforce_serial_xmit(iforce); + break; +#endif +#ifdef CONFIG_JOYSTICK_IFORCE_USB + case IFORCE_USB: + + if (iforce->usbdev && empty && + !test_and_set_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags)) { + + iforce_usb_xmit(iforce); + } + break; +#endif + } + return 0; +} + +/* Start or stop an effect */ +int iforce_control_playback(struct iforce* iforce, u16 id, unsigned int value) +{ + unsigned char data[3]; + + data[0] = LO(id); + data[1] = (value > 0) ? ((value > 1) ? 0x41 : 0x01) : 0; + data[2] = LO(value); + return iforce_send_packet(iforce, FF_CMD_PLAY, data); +} + +/* Mark an effect that was being updated as ready. That means it can be updated + * again */ +static int mark_core_as_ready(struct iforce *iforce, unsigned short addr) +{ + int i; + + if (!iforce->dev->ff) + return 0; + + for (i = 0; i < iforce->dev->ff->max_effects; ++i) { + if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags) && + (iforce->core_effects[i].mod1_chunk.start == addr || + iforce->core_effects[i].mod2_chunk.start == addr)) { + clear_bit(FF_CORE_UPDATE, iforce->core_effects[i].flags); + return 0; + } + } + dev_warn(&iforce->dev->dev, "unused effect %04x updated !!!\n", addr); + return -1; +} + +void iforce_process_packet(struct iforce *iforce, u16 cmd, unsigned char *data) +{ + struct input_dev *dev = iforce->dev; + int i; + static int being_used = 0; + + if (being_used) + dev_warn(&iforce->dev->dev, + "re-entrant call to iforce_process %d\n", being_used); + being_used++; + +#ifdef CONFIG_JOYSTICK_IFORCE_232 + if (HI(iforce->expect_packet) == HI(cmd)) { + iforce->expect_packet = 0; + iforce->ecmd = cmd; + memcpy(iforce->edata, data, IFORCE_MAX_LENGTH); + } +#endif + wake_up(&iforce->wait); + + if (!iforce->type) { + being_used--; + return; + } + + switch (HI(cmd)) { + + case 0x01: /* joystick position data */ + case 0x03: /* wheel position data */ + if (HI(cmd) == 1) { + input_report_abs(dev, ABS_X, (__s16) (((__s16)data[1] << 8) | data[0])); + input_report_abs(dev, ABS_Y, (__s16) (((__s16)data[3] << 8) | data[2])); + input_report_abs(dev, ABS_THROTTLE, 255 - data[4]); + if (LO(cmd) >= 8 && test_bit(ABS_RUDDER ,dev->absbit)) + input_report_abs(dev, ABS_RUDDER, (__s8)data[7]); + } else { + input_report_abs(dev, ABS_WHEEL, (__s16) (((__s16)data[1] << 8) | data[0])); + input_report_abs(dev, ABS_GAS, 255 - data[2]); + input_report_abs(dev, ABS_BRAKE, 255 - data[3]); + } + + input_report_abs(dev, ABS_HAT0X, iforce_hat_to_axis[data[6] >> 4].x); + input_report_abs(dev, ABS_HAT0Y, iforce_hat_to_axis[data[6] >> 4].y); + + for (i = 0; iforce->type->btn[i] >= 0; i++) + input_report_key(dev, iforce->type->btn[i], data[(i >> 3) + 5] & (1 << (i & 7))); + + /* If there are untouched bits left, interpret them as the second hat */ + if (i <= 8) { + int btns = data[6]; + if (test_bit(ABS_HAT1X, dev->absbit)) { + if (btns & 8) input_report_abs(dev, ABS_HAT1X, -1); + else if (btns & 2) input_report_abs(dev, ABS_HAT1X, 1); + else input_report_abs(dev, ABS_HAT1X, 0); + } + if (test_bit(ABS_HAT1Y, dev->absbit)) { + if (btns & 1) input_report_abs(dev, ABS_HAT1Y, -1); + else if (btns & 4) input_report_abs(dev, ABS_HAT1Y, 1); + else input_report_abs(dev, ABS_HAT1Y, 0); + } + } + + input_sync(dev); + + break; + + case 0x02: /* status report */ + input_report_key(dev, BTN_DEAD, data[0] & 0x02); + input_sync(dev); + + /* Check if an effect was just started or stopped */ + i = data[1] & 0x7f; + if (data[1] & 0x80) { + if (!test_and_set_bit(FF_CORE_IS_PLAYED, iforce->core_effects[i].flags)) { + /* Report play event */ + input_report_ff_status(dev, i, FF_STATUS_PLAYING); + } + } else if (test_and_clear_bit(FF_CORE_IS_PLAYED, iforce->core_effects[i].flags)) { + /* Report stop event */ + input_report_ff_status(dev, i, FF_STATUS_STOPPED); + } + if (LO(cmd) > 3) { + int j; + for (j = 3; j < LO(cmd); j += 2) + mark_core_as_ready(iforce, data[j] | (data[j+1]<<8)); + } + break; + } + being_used--; +} + +int iforce_get_id_packet(struct iforce *iforce, char *packet) +{ + switch (iforce->bus) { + + case IFORCE_USB: { +#ifdef CONFIG_JOYSTICK_IFORCE_USB + int status; + + iforce->cr.bRequest = packet[0]; + iforce->ctrl->dev = iforce->usbdev; + + status = usb_submit_urb(iforce->ctrl, GFP_ATOMIC); + if (status) { + err("usb_submit_urb failed %d", status); + return -1; + } + + wait_event_interruptible_timeout(iforce->wait, + iforce->ctrl->status != -EINPROGRESS, HZ); + + if (iforce->ctrl->status) { + dbg("iforce->ctrl->status = %d", iforce->ctrl->status); + usb_unlink_urb(iforce->ctrl); + return -1; + } +#else + dbg("iforce_get_id_packet: iforce->bus = USB!"); +#endif + } + break; + + case IFORCE_232: + +#ifdef CONFIG_JOYSTICK_IFORCE_232 + iforce->expect_packet = FF_CMD_QUERY; + iforce_send_packet(iforce, FF_CMD_QUERY, packet); + + wait_event_interruptible_timeout(iforce->wait, + !iforce->expect_packet, HZ); + + if (iforce->expect_packet) { + iforce->expect_packet = 0; + return -1; + } +#else + err("iforce_get_id_packet: iforce->bus = SERIO!"); +#endif + break; + + default: + err("iforce_get_id_packet: iforce->bus = %d", iforce->bus); + break; + } + + return -(iforce->edata[0] != packet[0]); +} + diff --git a/drivers/input/joystick/iforce/iforce-serio.c b/drivers/input/joystick/iforce/iforce-serio.c new file mode 100644 index 0000000..46d5041 --- /dev/null +++ b/drivers/input/joystick/iforce/iforce-serio.c @@ -0,0 +1,189 @@ +/* + * Copyright (c) 2000-2001 Vojtech Pavlik <vojtech@ucw.cz> + * Copyright (c) 2001, 2007 Johann Deneux <johann.deneux@gmail.com> + * + * USB/RS232 I-Force joysticks and wheels. + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include "iforce.h" + +void iforce_serial_xmit(struct iforce *iforce) +{ + unsigned char cs; + int i; + unsigned long flags; + + if (test_and_set_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags)) { + set_bit(IFORCE_XMIT_AGAIN, iforce->xmit_flags); + return; + } + + spin_lock_irqsave(&iforce->xmit_lock, flags); + +again: + if (iforce->xmit.head == iforce->xmit.tail) { + clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags); + spin_unlock_irqrestore(&iforce->xmit_lock, flags); + return; + } + + cs = 0x2b; + + serio_write(iforce->serio, 0x2b); + + serio_write(iforce->serio, iforce->xmit.buf[iforce->xmit.tail]); + cs ^= iforce->xmit.buf[iforce->xmit.tail]; + XMIT_INC(iforce->xmit.tail, 1); + + for (i=iforce->xmit.buf[iforce->xmit.tail]; i >= 0; --i) { + serio_write(iforce->serio, iforce->xmit.buf[iforce->xmit.tail]); + cs ^= iforce->xmit.buf[iforce->xmit.tail]; + XMIT_INC(iforce->xmit.tail, 1); + } + + serio_write(iforce->serio, cs); + + if (test_and_clear_bit(IFORCE_XMIT_AGAIN, iforce->xmit_flags)) + goto again; + + clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags); + + spin_unlock_irqrestore(&iforce->xmit_lock, flags); +} + +static void iforce_serio_write_wakeup(struct serio *serio) +{ + struct iforce *iforce = serio_get_drvdata(serio); + + iforce_serial_xmit(iforce); +} + +static irqreturn_t iforce_serio_irq(struct serio *serio, + unsigned char data, unsigned int flags) +{ + struct iforce *iforce = serio_get_drvdata(serio); + + if (!iforce->pkt) { + if (data == 0x2b) + iforce->pkt = 1; + goto out; + } + + if (!iforce->id) { + if (data > 3 && data != 0xff) + iforce->pkt = 0; + else + iforce->id = data; + goto out; + } + + if (!iforce->len) { + if (data > IFORCE_MAX_LENGTH) { + iforce->pkt = 0; + iforce->id = 0; + } else { + iforce->len = data; + } + goto out; + } + + if (iforce->idx < iforce->len) { + iforce->csum += iforce->data[iforce->idx++] = data; + goto out; + } + + if (iforce->idx == iforce->len) { + iforce_process_packet(iforce, (iforce->id << 8) | iforce->idx, iforce->data); + iforce->pkt = 0; + iforce->id = 0; + iforce->len = 0; + iforce->idx = 0; + iforce->csum = 0; + } +out: + return IRQ_HANDLED; +} + +static int iforce_serio_connect(struct serio *serio, struct serio_driver *drv) +{ + struct iforce *iforce; + int err; + + iforce = kzalloc(sizeof(struct iforce), GFP_KERNEL); + if (!iforce) + return -ENOMEM; + + iforce->bus = IFORCE_232; + iforce->serio = serio; + + serio_set_drvdata(serio, iforce); + + err = serio_open(serio, drv); + if (err) + goto fail1; + + err = iforce_init_device(iforce); + if (err) + goto fail2; + + return 0; + + fail2: serio_close(serio); + fail1: serio_set_drvdata(serio, NULL); + kfree(iforce); + return err; +} + +static void iforce_serio_disconnect(struct serio *serio) +{ + struct iforce *iforce = serio_get_drvdata(serio); + + input_unregister_device(iforce->dev); + serio_close(serio); + serio_set_drvdata(serio, NULL); + kfree(iforce); +} + +static struct serio_device_id iforce_serio_ids[] = { + { + .type = SERIO_RS232, + .proto = SERIO_IFORCE, + .id = SERIO_ANY, + .extra = SERIO_ANY, + }, + { 0 } +}; + +MODULE_DEVICE_TABLE(serio, iforce_serio_ids); + +struct serio_driver iforce_serio_drv = { + .driver = { + .name = "iforce", + }, + .description = "RS232 I-Force joysticks and wheels driver", + .id_table = iforce_serio_ids, + .write_wakeup = iforce_serio_write_wakeup, + .interrupt = iforce_serio_irq, + .connect = iforce_serio_connect, + .disconnect = iforce_serio_disconnect, +}; diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c new file mode 100644 index 0000000..f83185a --- /dev/null +++ b/drivers/input/joystick/iforce/iforce-usb.c @@ -0,0 +1,239 @@ + /* + * Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz> + * Copyright (c) 2001-2002, 2007 Johann Deneux <johann.deneux@gmail.com> + * + * USB/RS232 I-Force joysticks and wheels. + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include "iforce.h" + +void iforce_usb_xmit(struct iforce *iforce) +{ + int n, c; + unsigned long flags; + + spin_lock_irqsave(&iforce->xmit_lock, flags); + + if (iforce->xmit.head == iforce->xmit.tail) { + clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags); + spin_unlock_irqrestore(&iforce->xmit_lock, flags); + return; + } + + ((char *)iforce->out->transfer_buffer)[0] = iforce->xmit.buf[iforce->xmit.tail]; + XMIT_INC(iforce->xmit.tail, 1); + n = iforce->xmit.buf[iforce->xmit.tail]; + XMIT_INC(iforce->xmit.tail, 1); + + iforce->out->transfer_buffer_length = n + 1; + iforce->out->dev = iforce->usbdev; + + /* Copy rest of data then */ + c = CIRC_CNT_TO_END(iforce->xmit.head, iforce->xmit.tail, XMIT_SIZE); + if (n < c) c=n; + + memcpy(iforce->out->transfer_buffer + 1, + &iforce->xmit.buf[iforce->xmit.tail], + c); + if (n != c) { + memcpy(iforce->out->transfer_buffer + 1 + c, + &iforce->xmit.buf[0], + n-c); + } + XMIT_INC(iforce->xmit.tail, n); + + if ( (n=usb_submit_urb(iforce->out, GFP_ATOMIC)) ) { + clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags); + dev_warn(&iforce->dev->dev, "usb_submit_urb failed %d\n", n); + } + + /* The IFORCE_XMIT_RUNNING bit is not cleared here. That's intended. + * As long as the urb completion handler is not called, the transmiting + * is considered to be running */ + spin_unlock_irqrestore(&iforce->xmit_lock, flags); +} + +static void iforce_usb_irq(struct urb *urb) +{ + struct iforce *iforce = urb->context; + int status; + + switch (urb->status) { + case 0: + /* success */ + break; + case -ECONNRESET: + case -ENOENT: + case -ESHUTDOWN: + /* this urb is terminated, clean up */ + dbg("%s - urb shutting down with status: %d", + __func__, urb->status); + return; + default: + dbg("%s - urb has status of: %d", __func__, urb->status); + goto exit; + } + + iforce_process_packet(iforce, + (iforce->data[0] << 8) | (urb->actual_length - 1), iforce->data + 1); + +exit: + status = usb_submit_urb (urb, GFP_ATOMIC); + if (status) + err ("%s - usb_submit_urb failed with result %d", + __func__, status); +} + +static void iforce_usb_out(struct urb *urb) +{ + struct iforce *iforce = urb->context; + + if (urb->status) { + dbg("urb->status %d, exiting", urb->status); + return; + } + + iforce_usb_xmit(iforce); + + wake_up(&iforce->wait); +} + +static void iforce_usb_ctrl(struct urb *urb) +{ + struct iforce *iforce = urb->context; + if (urb->status) return; + iforce->ecmd = 0xff00 | urb->actual_length; + wake_up(&iforce->wait); +} + +static int iforce_usb_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct usb_device *dev = interface_to_usbdev(intf); + struct usb_host_interface *interface; + struct usb_endpoint_descriptor *epirq, *epout; + struct iforce *iforce; + int err = -ENOMEM; + + interface = intf->cur_altsetting; + + epirq = &interface->endpoint[0].desc; + epout = &interface->endpoint[1].desc; + + if (!(iforce = kzalloc(sizeof(struct iforce) + 32, GFP_KERNEL))) + goto fail; + + if (!(iforce->irq = usb_alloc_urb(0, GFP_KERNEL))) + goto fail; + + if (!(iforce->out = usb_alloc_urb(0, GFP_KERNEL))) + goto fail; + + if (!(iforce->ctrl = usb_alloc_urb(0, GFP_KERNEL))) + goto fail; + + iforce->bus = IFORCE_USB; + iforce->usbdev = dev; + + iforce->cr.bRequestType = USB_TYPE_VENDOR | USB_DIR_IN | USB_RECIP_INTERFACE; + iforce->cr.wIndex = 0; + iforce->cr.wLength = cpu_to_le16(16); + + usb_fill_int_urb(iforce->irq, dev, usb_rcvintpipe(dev, epirq->bEndpointAddress), + iforce->data, 16, iforce_usb_irq, iforce, epirq->bInterval); + + usb_fill_int_urb(iforce->out, dev, usb_sndintpipe(dev, epout->bEndpointAddress), + iforce + 1, 32, iforce_usb_out, iforce, epout->bInterval); + + usb_fill_control_urb(iforce->ctrl, dev, usb_rcvctrlpipe(dev, 0), + (void*) &iforce->cr, iforce->edata, 16, iforce_usb_ctrl, iforce); + + err = iforce_init_device(iforce); + if (err) + goto fail; + + usb_set_intfdata(intf, iforce); + return 0; + +fail: + if (iforce) { + usb_free_urb(iforce->irq); + usb_free_urb(iforce->out); + usb_free_urb(iforce->ctrl); + kfree(iforce); + } + + return err; +} + +/* Called by iforce_delete() */ +void iforce_usb_delete(struct iforce* iforce) +{ + usb_kill_urb(iforce->irq); + usb_kill_urb(iforce->out); + usb_kill_urb(iforce->ctrl); + + usb_free_urb(iforce->irq); + usb_free_urb(iforce->out); + usb_free_urb(iforce->ctrl); +} + +static void iforce_usb_disconnect(struct usb_interface *intf) +{ + struct iforce *iforce = usb_get_intfdata(intf); + int open = 0; /* FIXME! iforce->dev.handle->open; */ + + usb_set_intfdata(intf, NULL); + if (iforce) { + iforce->usbdev = NULL; + input_unregister_device(iforce->dev); + + if (!open) { + iforce_delete_device(iforce); + kfree(iforce); + } + } +} + +static struct usb_device_id iforce_usb_ids [] = { + { USB_DEVICE(0x044f, 0xa01c) }, /* Thrustmaster Motor Sport GT */ + { USB_DEVICE(0x046d, 0xc281) }, /* Logitech WingMan Force */ + { USB_DEVICE(0x046d, 0xc291) }, /* Logitech WingMan Formula Force */ + { USB_DEVICE(0x05ef, 0x020a) }, /* AVB Top Shot Pegasus */ + { USB_DEVICE(0x05ef, 0x8884) }, /* AVB Mag Turbo Force */ + { USB_DEVICE(0x05ef, 0x8888) }, /* AVB Top Shot FFB Racing Wheel */ + { USB_DEVICE(0x061c, 0xc0a4) }, /* ACT LABS Force RS */ + { USB_DEVICE(0x06f8, 0x0001) }, /* Guillemot Race Leader Force Feedback */ + { USB_DEVICE(0x06f8, 0x0004) }, /* Guillemot Force Feedback Racing Wheel */ + { USB_DEVICE(0x06f8, 0xa302) }, /* Guillemot Jet Leader 3D */ + { } /* Terminating entry */ +}; + +MODULE_DEVICE_TABLE (usb, iforce_usb_ids); + +struct usb_driver iforce_usb_driver = { + .name = "iforce", + .probe = iforce_usb_probe, + .disconnect = iforce_usb_disconnect, + .id_table = iforce_usb_ids, +}; diff --git a/drivers/input/joystick/iforce/iforce.h b/drivers/input/joystick/iforce/iforce.h new file mode 100644 index 0000000..f2d91f4 --- /dev/null +++ b/drivers/input/joystick/iforce/iforce.h @@ -0,0 +1,173 @@ +/* + * Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz> + * Copyright (c) 2001-2002, 2007 Johann Deneux <johann.deneux@gmail.com> + * + * USB/RS232 I-Force joysticks and wheels. + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/input.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/spinlock.h> +#include <linux/usb.h> +#include <linux/serio.h> +#include <linux/circ_buf.h> +#include <linux/mutex.h> + +/* This module provides arbitrary resource management routines. + * I use it to manage the device's memory. + * Despite the name of this module, I am *not* going to access the ioports. + */ +#include <linux/ioport.h> + + +#define IFORCE_MAX_LENGTH 16 + +/* iforce::bus */ +#define IFORCE_232 1 +#define IFORCE_USB 2 + +#define IFORCE_EFFECTS_MAX 32 + +/* Each force feedback effect is made of one core effect, which can be + * associated to at most to effect modifiers + */ +#define FF_MOD1_IS_USED 0 +#define FF_MOD2_IS_USED 1 +#define FF_CORE_IS_USED 2 +#define FF_CORE_IS_PLAYED 3 /* Effect is currently being played */ +#define FF_CORE_SHOULD_PLAY 4 /* User wants the effect to be played */ +#define FF_CORE_UPDATE 5 /* Effect is being updated */ +#define FF_MODCORE_CNT 6 + +struct iforce_core_effect { + /* Information about where modifiers are stored in the device's memory */ + struct resource mod1_chunk; + struct resource mod2_chunk; + unsigned long flags[BITS_TO_LONGS(FF_MODCORE_CNT)]; +}; + +#define FF_CMD_EFFECT 0x010e +#define FF_CMD_ENVELOPE 0x0208 +#define FF_CMD_MAGNITUDE 0x0303 +#define FF_CMD_PERIOD 0x0407 +#define FF_CMD_CONDITION 0x050a + +#define FF_CMD_AUTOCENTER 0x4002 +#define FF_CMD_PLAY 0x4103 +#define FF_CMD_ENABLE 0x4201 +#define FF_CMD_GAIN 0x4301 + +#define FF_CMD_QUERY 0xff01 + +/* Buffer for async write */ +#define XMIT_SIZE 256 +#define XMIT_INC(var, n) (var)+=n; (var)&= XMIT_SIZE -1 +/* iforce::xmit_flags */ +#define IFORCE_XMIT_RUNNING 0 +#define IFORCE_XMIT_AGAIN 1 + +struct iforce_device { + u16 idvendor; + u16 idproduct; + char *name; + signed short *btn; + signed short *abs; + signed short *ff; +}; + +struct iforce { + struct input_dev *dev; /* Input device interface */ + struct iforce_device *type; + int bus; + + unsigned char data[IFORCE_MAX_LENGTH]; + unsigned char edata[IFORCE_MAX_LENGTH]; + u16 ecmd; + u16 expect_packet; + +#ifdef CONFIG_JOYSTICK_IFORCE_232 + struct serio *serio; /* RS232 transfer */ + int idx, pkt, len, id; + unsigned char csum; +#endif +#ifdef CONFIG_JOYSTICK_IFORCE_USB + struct usb_device *usbdev; /* USB transfer */ + struct urb *irq, *out, *ctrl; + struct usb_ctrlrequest cr; +#endif + spinlock_t xmit_lock; + /* Buffer used for asynchronous sending of bytes to the device */ + struct circ_buf xmit; + unsigned char xmit_data[XMIT_SIZE]; + unsigned long xmit_flags[1]; + + /* Force Feedback */ + wait_queue_head_t wait; + struct resource device_memory; + struct iforce_core_effect core_effects[IFORCE_EFFECTS_MAX]; + struct mutex mem_mutex; +}; + +/* Get hi and low bytes of a 16-bits int */ +#define HI(a) ((unsigned char)((a) >> 8)) +#define LO(a) ((unsigned char)((a) & 0xff)) + +/* For many parameters, it seems that 0x80 is a special value that should + * be avoided. Instead, we replace this value by 0x7f + */ +#define HIFIX80(a) ((unsigned char)(((a)<0? (a)+255 : (a))>>8)) + +/* Encode a time value */ +#define TIME_SCALE(a) (a) + + +/* Public functions */ +/* iforce-serio.c */ +void iforce_serial_xmit(struct iforce *iforce); + +/* iforce-usb.c */ +void iforce_usb_xmit(struct iforce *iforce); +void iforce_usb_delete(struct iforce *iforce); + +/* iforce-main.c */ +int iforce_init_device(struct iforce *iforce); +void iforce_delete_device(struct iforce *iforce); + +/* iforce-packets.c */ +int iforce_control_playback(struct iforce*, u16 id, unsigned int); +void iforce_process_packet(struct iforce *iforce, u16 cmd, unsigned char *data); +int iforce_send_packet(struct iforce *iforce, u16 cmd, unsigned char* data); +void iforce_dump_packet(char *msg, u16 cmd, unsigned char *data) ; +int iforce_get_id_packet(struct iforce *iforce, char *packet); + +/* iforce-ff.c */ +int iforce_upload_periodic(struct iforce *, struct ff_effect *, struct ff_effect *); +int iforce_upload_constant(struct iforce *, struct ff_effect *, struct ff_effect *); +int iforce_upload_condition(struct iforce *, struct ff_effect *, struct ff_effect *); + +/* Public variables */ +extern struct serio_driver iforce_serio_drv; +extern struct usb_driver iforce_usb_driver; diff --git a/drivers/input/joystick/interact.c b/drivers/input/joystick/interact.c new file mode 100644 index 0000000..2478289 --- /dev/null +++ b/drivers/input/joystick/interact.c @@ -0,0 +1,329 @@ +/* + * Copyright (c) 2001 Vojtech Pavlik + * + * Based on the work of: + * Toby Deshane + */ + +/* + * InterAct digital gamepad/joystick driver for Linux + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/gameport.h> +#include <linux/input.h> +#include <linux/jiffies.h> + +#define DRIVER_DESC "InterAct digital joystick driver" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +#define INTERACT_MAX_START 600 /* 400 us */ +#define INTERACT_MAX_STROBE 60 /* 40 us */ +#define INTERACT_MAX_LENGTH 32 /* 32 bits */ + +#define INTERACT_TYPE_HHFX 0 /* HammerHead/FX */ +#define INTERACT_TYPE_PP8D 1 /* ProPad 8 */ + +struct interact { + struct gameport *gameport; + struct input_dev *dev; + int bads; + int reads; + unsigned char type; + unsigned char length; + char phys[32]; +}; + +static short interact_abs_hhfx[] = + { ABS_RX, ABS_RY, ABS_X, ABS_Y, ABS_HAT0X, ABS_HAT0Y, -1 }; +static short interact_abs_pp8d[] = + { ABS_X, ABS_Y, -1 }; + +static short interact_btn_hhfx[] = + { BTN_TR, BTN_X, BTN_Y, BTN_Z, BTN_A, BTN_B, BTN_C, BTN_TL, BTN_TL2, BTN_TR2, BTN_MODE, BTN_SELECT, -1 }; +static short interact_btn_pp8d[] = + { BTN_C, BTN_TL, BTN_TR, BTN_A, BTN_B, BTN_Y, BTN_Z, BTN_X, -1 }; + +struct interact_type { + int id; + short *abs; + short *btn; + char *name; + unsigned char length; + unsigned char b8; +}; + +static struct interact_type interact_type[] = { + { 0x6202, interact_abs_hhfx, interact_btn_hhfx, "InterAct HammerHead/FX", 32, 4 }, + { 0x53f8, interact_abs_pp8d, interact_btn_pp8d, "InterAct ProPad 8 Digital", 16, 0 }, + { 0 }}; + +/* + * interact_read_packet() reads and InterAct joystick data. + */ + +static int interact_read_packet(struct gameport *gameport, int length, u32 *data) +{ + unsigned long flags; + unsigned char u, v; + unsigned int t, s; + int i; + + i = 0; + data[0] = data[1] = data[2] = 0; + t = gameport_time(gameport, INTERACT_MAX_START); + s = gameport_time(gameport, INTERACT_MAX_STROBE); + + local_irq_save(flags); + gameport_trigger(gameport); + v = gameport_read(gameport); + + while (t > 0 && i < length) { + t--; + u = v; v = gameport_read(gameport); + if (v & ~u & 0x40) { + data[0] = (data[0] << 1) | ((v >> 4) & 1); + data[1] = (data[1] << 1) | ((v >> 5) & 1); + data[2] = (data[2] << 1) | ((v >> 7) & 1); + i++; + t = s; + } + } + + local_irq_restore(flags); + + return i; +} + +/* + * interact_poll() reads and analyzes InterAct joystick data. + */ + +static void interact_poll(struct gameport *gameport) +{ + struct interact *interact = gameport_get_drvdata(gameport); + struct input_dev *dev = interact->dev; + u32 data[3]; + int i; + + interact->reads++; + + if (interact_read_packet(interact->gameport, interact->length, data) < interact->length) { + interact->bads++; + } else { + + for (i = 0; i < 3; i++) + data[i] <<= INTERACT_MAX_LENGTH - interact->length; + + switch (interact->type) { + + case INTERACT_TYPE_HHFX: + + for (i = 0; i < 4; i++) + input_report_abs(dev, interact_abs_hhfx[i], (data[i & 1] >> ((i >> 1) << 3)) & 0xff); + + for (i = 0; i < 2; i++) + input_report_abs(dev, ABS_HAT0Y - i, + ((data[1] >> ((i << 1) + 17)) & 1) - ((data[1] >> ((i << 1) + 16)) & 1)); + + for (i = 0; i < 8; i++) + input_report_key(dev, interact_btn_hhfx[i], (data[0] >> (i + 16)) & 1); + + for (i = 0; i < 4; i++) + input_report_key(dev, interact_btn_hhfx[i + 8], (data[1] >> (i + 20)) & 1); + + break; + + case INTERACT_TYPE_PP8D: + + for (i = 0; i < 2; i++) + input_report_abs(dev, interact_abs_pp8d[i], + ((data[0] >> ((i << 1) + 20)) & 1) - ((data[0] >> ((i << 1) + 21)) & 1)); + + for (i = 0; i < 8; i++) + input_report_key(dev, interact_btn_pp8d[i], (data[1] >> (i + 16)) & 1); + + break; + } + } + + input_sync(dev); +} + +/* + * interact_open() is a callback from the input open routine. + */ + +static int interact_open(struct input_dev *dev) +{ + struct interact *interact = input_get_drvdata(dev); + + gameport_start_polling(interact->gameport); + return 0; +} + +/* + * interact_close() is a callback from the input close routine. + */ + +static void interact_close(struct input_dev *dev) +{ + struct interact *interact = input_get_drvdata(dev); + + gameport_stop_polling(interact->gameport); +} + +/* + * interact_connect() probes for InterAct joysticks. + */ + +static int interact_connect(struct gameport *gameport, struct gameport_driver *drv) +{ + struct interact *interact; + struct input_dev *input_dev; + __u32 data[3]; + int i, t; + int err; + + interact = kzalloc(sizeof(struct interact), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!interact || !input_dev) { + err = -ENOMEM; + goto fail1; + } + + interact->gameport = gameport; + interact->dev = input_dev; + + gameport_set_drvdata(gameport, interact); + + err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW); + if (err) + goto fail1; + + i = interact_read_packet(gameport, INTERACT_MAX_LENGTH * 2, data); + + if (i != 32 || (data[0] >> 24) != 0x0c || (data[1] >> 24) != 0x02) { + err = -ENODEV; + goto fail2; + } + + for (i = 0; interact_type[i].length; i++) + if (interact_type[i].id == (data[2] >> 16)) + break; + + if (!interact_type[i].length) { + printk(KERN_WARNING "interact.c: Unknown joystick on %s. [len %d d0 %08x d1 %08x i2 %08x]\n", + gameport->phys, i, data[0], data[1], data[2]); + err = -ENODEV; + goto fail2; + } + + gameport_set_poll_handler(gameport, interact_poll); + gameport_set_poll_interval(gameport, 20); + + snprintf(interact->phys, sizeof(interact->phys), "%s/input0", gameport->phys); + + interact->type = i; + interact->length = interact_type[i].length; + + input_dev->name = interact_type[i].name; + input_dev->phys = interact->phys; + input_dev->id.bustype = BUS_GAMEPORT; + input_dev->id.vendor = GAMEPORT_ID_VENDOR_INTERACT; + input_dev->id.product = interact_type[i].id; + input_dev->id.version = 0x0100; + input_dev->dev.parent = &gameport->dev; + + input_set_drvdata(input_dev, interact); + + input_dev->open = interact_open; + input_dev->close = interact_close; + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + + for (i = 0; (t = interact_type[interact->type].abs[i]) >= 0; i++) { + set_bit(t, input_dev->absbit); + if (i < interact_type[interact->type].b8) { + input_dev->absmin[t] = 0; + input_dev->absmax[t] = 255; + } else { + input_dev->absmin[t] = -1; + input_dev->absmax[t] = 1; + } + } + + for (i = 0; (t = interact_type[interact->type].btn[i]) >= 0; i++) + set_bit(t, input_dev->keybit); + + err = input_register_device(interact->dev); + if (err) + goto fail2; + + return 0; + +fail2: gameport_close(gameport); +fail1: gameport_set_drvdata(gameport, NULL); + input_free_device(input_dev); + kfree(interact); + return err; +} + +static void interact_disconnect(struct gameport *gameport) +{ + struct interact *interact = gameport_get_drvdata(gameport); + + input_unregister_device(interact->dev); + gameport_close(gameport); + gameport_set_drvdata(gameport, NULL); + kfree(interact); +} + +static struct gameport_driver interact_drv = { + .driver = { + .name = "interact", + }, + .description = DRIVER_DESC, + .connect = interact_connect, + .disconnect = interact_disconnect, +}; + +static int __init interact_init(void) +{ + return gameport_register_driver(&interact_drv); +} + +static void __exit interact_exit(void) +{ + gameport_unregister_driver(&interact_drv); +} + +module_init(interact_init); +module_exit(interact_exit); diff --git a/drivers/input/joystick/joydump.c b/drivers/input/joystick/joydump.c new file mode 100644 index 0000000..cd894a0 --- /dev/null +++ b/drivers/input/joystick/joydump.c @@ -0,0 +1,173 @@ +/* + * Copyright (c) 1996-2001 Vojtech Pavlik + */ + +/* + * This is just a very simple driver that can dump the data + * out of the joystick port into the syslog ... + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/module.h> +#include <linux/gameport.h> +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/slab.h> + +#define DRIVER_DESC "Gameport data dumper module" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +#define BUF_SIZE 256 + +struct joydump { + unsigned int time; + unsigned char data; +}; + +static int joydump_connect(struct gameport *gameport, struct gameport_driver *drv) +{ + struct joydump *buf; /* all entries */ + struct joydump *dump, *prev; /* one entry each */ + int axes[4], buttons; + int i, j, t, timeout; + unsigned long flags; + unsigned char u; + + printk(KERN_INFO "joydump: ,------------------ START ----------------.\n"); + printk(KERN_INFO "joydump: | Dumping: %30s |\n", gameport->phys); + printk(KERN_INFO "joydump: | Speed: %28d kHz |\n", gameport->speed); + + if (gameport_open(gameport, drv, GAMEPORT_MODE_RAW)) { + + printk(KERN_INFO "joydump: | Raw mode not available - trying cooked. |\n"); + + if (gameport_open(gameport, drv, GAMEPORT_MODE_COOKED)) { + + printk(KERN_INFO "joydump: | Cooked not available either. Failing. |\n"); + printk(KERN_INFO "joydump: `------------------- END -----------------'\n"); + return -ENODEV; + } + + gameport_cooked_read(gameport, axes, &buttons); + + for (i = 0; i < 4; i++) + printk(KERN_INFO "joydump: | Axis %d: %4d. |\n", i, axes[i]); + printk(KERN_INFO "joydump: | Buttons %02x. |\n", buttons); + printk(KERN_INFO "joydump: `------------------- END -----------------'\n"); + } + + timeout = gameport_time(gameport, 10000); /* 10 ms */ + + buf = kmalloc(BUF_SIZE * sizeof(struct joydump), GFP_KERNEL); + if (!buf) { + printk(KERN_INFO "joydump: no memory for testing\n"); + goto jd_end; + } + dump = buf; + t = 0; + i = 1; + + local_irq_save(flags); + + u = gameport_read(gameport); + + dump->data = u; + dump->time = t; + dump++; + + gameport_trigger(gameport); + + while (i < BUF_SIZE && t < timeout) { + + dump->data = gameport_read(gameport); + + if (dump->data ^ u) { + u = dump->data; + dump->time = t; + i++; + dump++; + } + t++; + } + + local_irq_restore(flags); + +/* + * Dump data. + */ + + t = i; + dump = buf; + prev = dump; + + printk(KERN_INFO "joydump: >------------------ DATA -----------------<\n"); + printk(KERN_INFO "joydump: | index: %3d delta: %3d us data: ", 0, 0); + for (j = 7; j >= 0; j--) + printk("%d", (dump->data >> j) & 1); + printk(" |\n"); + dump++; + + for (i = 1; i < t; i++, dump++, prev++) { + printk(KERN_INFO "joydump: | index: %3d delta: %3d us data: ", + i, dump->time - prev->time); + for (j = 7; j >= 0; j--) + printk("%d", (dump->data >> j) & 1); + printk(" |\n"); + } + kfree(buf); + +jd_end: + printk(KERN_INFO "joydump: `------------------- END -----------------'\n"); + + return 0; +} + +static void joydump_disconnect(struct gameport *gameport) +{ + gameport_close(gameport); +} + +static struct gameport_driver joydump_drv = { + .driver = { + .name = "joydump", + }, + .description = DRIVER_DESC, + .connect = joydump_connect, + .disconnect = joydump_disconnect, +}; + +static int __init joydump_init(void) +{ + return gameport_register_driver(&joydump_drv); +} + +static void __exit joydump_exit(void) +{ + gameport_unregister_driver(&joydump_drv); +} + +module_init(joydump_init); +module_exit(joydump_exit); diff --git a/drivers/input/joystick/magellan.c b/drivers/input/joystick/magellan.c new file mode 100644 index 0000000..40e4078 --- /dev/null +++ b/drivers/input/joystick/magellan.c @@ -0,0 +1,240 @@ +/* + * Copyright (c) 1999-2001 Vojtech Pavlik + */ + +/* + * Magellan and Space Mouse 6dof controller driver for Linux + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/input.h> +#include <linux/serio.h> +#include <linux/init.h> + +#define DRIVER_DESC "Magellan and SpaceMouse 6dof controller driver" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +/* + * Definitions & global arrays. + */ + +#define MAGELLAN_MAX_LENGTH 32 + +static int magellan_buttons[] = { BTN_0, BTN_1, BTN_2, BTN_3, BTN_4, BTN_5, BTN_6, BTN_7, BTN_8 }; +static int magellan_axes[] = { ABS_X, ABS_Y, ABS_Z, ABS_RX, ABS_RY, ABS_RZ }; + +/* + * Per-Magellan data. + */ + +struct magellan { + struct input_dev *dev; + int idx; + unsigned char data[MAGELLAN_MAX_LENGTH]; + char phys[32]; +}; + +/* + * magellan_crunch_nibbles() verifies that the bytes sent from the Magellan + * have correct upper nibbles for the lower ones, if not, the packet will + * be thrown away. It also strips these upper halves to simplify further + * processing. + */ + +static int magellan_crunch_nibbles(unsigned char *data, int count) +{ + static unsigned char nibbles[16] = "0AB3D56GH9:K<MN?"; + + do { + if (data[count] == nibbles[data[count] & 0xf]) + data[count] = data[count] & 0xf; + else + return -1; + } while (--count); + + return 0; +} + +static void magellan_process_packet(struct magellan* magellan) +{ + struct input_dev *dev = magellan->dev; + unsigned char *data = magellan->data; + int i, t; + + if (!magellan->idx) return; + + switch (magellan->data[0]) { + + case 'd': /* Axis data */ + if (magellan->idx != 25) return; + if (magellan_crunch_nibbles(data, 24)) return; + for (i = 0; i < 6; i++) + input_report_abs(dev, magellan_axes[i], + (data[(i << 2) + 1] << 12 | data[(i << 2) + 2] << 8 | + data[(i << 2) + 3] << 4 | data[(i << 2) + 4]) - 32768); + break; + + case 'k': /* Button data */ + if (magellan->idx != 4) return; + if (magellan_crunch_nibbles(data, 3)) return; + t = (data[1] << 1) | (data[2] << 5) | data[3]; + for (i = 0; i < 9; i++) input_report_key(dev, magellan_buttons[i], (t >> i) & 1); + break; + } + + input_sync(dev); +} + +static irqreturn_t magellan_interrupt(struct serio *serio, + unsigned char data, unsigned int flags) +{ + struct magellan* magellan = serio_get_drvdata(serio); + + if (data == '\r') { + magellan_process_packet(magellan); + magellan->idx = 0; + } else { + if (magellan->idx < MAGELLAN_MAX_LENGTH) + magellan->data[magellan->idx++] = data; + } + return IRQ_HANDLED; +} + +/* + * magellan_disconnect() is the opposite of magellan_connect() + */ + +static void magellan_disconnect(struct serio *serio) +{ + struct magellan* magellan = serio_get_drvdata(serio); + + serio_close(serio); + serio_set_drvdata(serio, NULL); + input_unregister_device(magellan->dev); + kfree(magellan); +} + +/* + * magellan_connect() is the routine that is called when someone adds a + * new serio device that supports Magellan protocol and registers it as + * an input device. + */ + +static int magellan_connect(struct serio *serio, struct serio_driver *drv) +{ + struct magellan *magellan; + struct input_dev *input_dev; + int err = -ENOMEM; + int i; + + magellan = kzalloc(sizeof(struct magellan), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!magellan || !input_dev) + goto fail1; + + magellan->dev = input_dev; + snprintf(magellan->phys, sizeof(magellan->phys), "%s/input0", serio->phys); + + input_dev->name = "LogiCad3D Magellan / SpaceMouse"; + input_dev->phys = magellan->phys; + input_dev->id.bustype = BUS_RS232; + input_dev->id.vendor = SERIO_MAGELLAN; + input_dev->id.product = 0x0001; + input_dev->id.version = 0x0100; + input_dev->dev.parent = &serio->dev; + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + + for (i = 0; i < 9; i++) + set_bit(magellan_buttons[i], input_dev->keybit); + + for (i = 0; i < 6; i++) + input_set_abs_params(input_dev, magellan_axes[i], -360, 360, 0, 0); + + serio_set_drvdata(serio, magellan); + + err = serio_open(serio, drv); + if (err) + goto fail2; + + err = input_register_device(magellan->dev); + if (err) + goto fail3; + + return 0; + + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(input_dev); + kfree(magellan); + return err; +} + +/* + * The serio driver structure. + */ + +static struct serio_device_id magellan_serio_ids[] = { + { + .type = SERIO_RS232, + .proto = SERIO_MAGELLAN, + .id = SERIO_ANY, + .extra = SERIO_ANY, + }, + { 0 } +}; + +MODULE_DEVICE_TABLE(serio, magellan_serio_ids); + +static struct serio_driver magellan_drv = { + .driver = { + .name = "magellan", + }, + .description = DRIVER_DESC, + .id_table = magellan_serio_ids, + .interrupt = magellan_interrupt, + .connect = magellan_connect, + .disconnect = magellan_disconnect, +}; + +/* + * The functions for inserting/removing us as a module. + */ + +static int __init magellan_init(void) +{ + return serio_register_driver(&magellan_drv); +} + +static void __exit magellan_exit(void) +{ + serio_unregister_driver(&magellan_drv); +} + +module_init(magellan_init); +module_exit(magellan_exit); diff --git a/drivers/input/joystick/sidewinder.c b/drivers/input/joystick/sidewinder.c new file mode 100644 index 0000000..ca13a6b --- /dev/null +++ b/drivers/input/joystick/sidewinder.c @@ -0,0 +1,830 @@ +/* + * Copyright (c) 1998-2005 Vojtech Pavlik + */ + +/* + * Microsoft SideWinder joystick family driver for Linux + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/delay.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/gameport.h> +#include <linux/jiffies.h> + +#define DRIVER_DESC "Microsoft SideWinder joystick family driver" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +/* + * These are really magic values. Changing them can make a problem go away, + * as well as break everything. + */ + +#undef SW_DEBUG +#undef SW_DEBUG_DATA + +#define SW_START 600 /* The time we wait for the first bit [600 us] */ +#define SW_STROBE 60 /* Max time per bit [60 us] */ +#define SW_TIMEOUT 6 /* Wait for everything to settle [6 ms] */ +#define SW_KICK 45 /* Wait after A0 fall till kick [45 us] */ +#define SW_END 8 /* Number of bits before end of packet to kick */ +#define SW_FAIL 16 /* Number of packet read errors to fail and reinitialize */ +#define SW_BAD 2 /* Number of packet read errors to switch off 3d Pro optimization */ +#define SW_OK 64 /* Number of packet read successes to switch optimization back on */ +#define SW_LENGTH 512 /* Max number of bits in a packet */ + +#ifdef SW_DEBUG +#define dbg(format, arg...) printk(KERN_DEBUG __FILE__ ": " format "\n" , ## arg) +#else +#define dbg(format, arg...) do {} while (0) +#endif + +/* + * SideWinder joystick types ... + */ + +#define SW_ID_3DP 0 +#define SW_ID_GP 1 +#define SW_ID_PP 2 +#define SW_ID_FFP 3 +#define SW_ID_FSP 4 +#define SW_ID_FFW 5 + +/* + * Names, buttons, axes ... + */ + +static char *sw_name[] = { "3D Pro", "GamePad", "Precision Pro", "Force Feedback Pro", "FreeStyle Pro", + "Force Feedback Wheel" }; + +static char sw_abs[][7] = { + { ABS_X, ABS_Y, ABS_RZ, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y }, + { ABS_X, ABS_Y }, + { ABS_X, ABS_Y, ABS_RZ, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y }, + { ABS_X, ABS_Y, ABS_RZ, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y }, + { ABS_X, ABS_Y, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y }, + { ABS_RX, ABS_RUDDER, ABS_THROTTLE }}; + +static char sw_bit[][7] = { + { 10, 10, 9, 10, 1, 1 }, + { 1, 1 }, + { 10, 10, 6, 7, 1, 1 }, + { 10, 10, 6, 7, 1, 1 }, + { 10, 10, 6, 1, 1 }, + { 10, 7, 7, 1, 1 }}; + +static short sw_btn[][12] = { + { BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_THUMB2, BTN_BASE, BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_MODE }, + { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_START, BTN_MODE }, + { BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE, BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_SELECT }, + { BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE, BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_SELECT }, + { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_TL, BTN_TR, BTN_START, BTN_MODE, BTN_SELECT }, + { BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_THUMB2, BTN_BASE, BTN_BASE2, BTN_BASE3, BTN_BASE4 }}; + +static struct { + int x; + int y; +} sw_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}}; + +struct sw { + struct gameport *gameport; + struct input_dev *dev[4]; + char name[64]; + char phys[4][32]; + int length; + int type; + int bits; + int number; + int fail; + int ok; + int reads; + int bads; +}; + +/* + * sw_read_packet() is a function which reads either a data packet, or an + * identification packet from a SideWinder joystick. The protocol is very, + * very, very braindamaged. Microsoft patented it in US patent #5628686. + */ + +static int sw_read_packet(struct gameport *gameport, unsigned char *buf, int length, int id) +{ + unsigned long flags; + int timeout, bitout, sched, i, kick, start, strobe; + unsigned char pending, u, v; + + i = -id; /* Don't care about data, only want ID */ + timeout = id ? gameport_time(gameport, SW_TIMEOUT * 1000) : 0; /* Set up global timeout for ID packet */ + kick = id ? gameport_time(gameport, SW_KICK) : 0; /* Set up kick timeout for ID packet */ + start = gameport_time(gameport, SW_START); + strobe = gameport_time(gameport, SW_STROBE); + bitout = start; + pending = 0; + sched = 0; + + local_irq_save(flags); /* Quiet, please */ + + gameport_trigger(gameport); /* Trigger */ + v = gameport_read(gameport); + + do { + bitout--; + u = v; + v = gameport_read(gameport); + } while (!(~v & u & 0x10) && (bitout > 0)); /* Wait for first falling edge on clock */ + + if (bitout > 0) + bitout = strobe; /* Extend time if not timed out */ + + while ((timeout > 0 || bitout > 0) && (i < length)) { + + timeout--; + bitout--; /* Decrement timers */ + sched--; + + u = v; + v = gameport_read(gameport); + + if ((~u & v & 0x10) && (bitout > 0)) { /* Rising edge on clock - data bit */ + if (i >= 0) /* Want this data */ + buf[i] = v >> 5; /* Store it */ + i++; /* Advance index */ + bitout = strobe; /* Extend timeout for next bit */ + } + + if (kick && (~v & u & 0x01)) { /* Falling edge on axis 0 */ + sched = kick; /* Schedule second trigger */ + kick = 0; /* Don't schedule next time on falling edge */ + pending = 1; /* Mark schedule */ + } + + if (pending && sched < 0 && (i > -SW_END)) { /* Second trigger time */ + gameport_trigger(gameport); /* Trigger */ + bitout = start; /* Long bit timeout */ + pending = 0; /* Unmark schedule */ + timeout = 0; /* Switch from global to bit timeouts */ + } + } + + local_irq_restore(flags); /* Done - relax */ + +#ifdef SW_DEBUG_DATA + { + int j; + printk(KERN_DEBUG "sidewinder.c: Read %d triplets. [", i); + for (j = 0; j < i; j++) printk("%d", buf[j]); + printk("]\n"); + } +#endif + + return i; +} + +/* + * sw_get_bits() and GB() compose bits from the triplet buffer into a __u64. + * Parameter 'pos' is bit number inside packet where to start at, 'num' is number + * of bits to be read, 'shift' is offset in the resulting __u64 to start at, bits + * is number of bits per triplet. + */ + +#define GB(pos,num) sw_get_bits(buf, pos, num, sw->bits) + +static __u64 sw_get_bits(unsigned char *buf, int pos, int num, char bits) +{ + __u64 data = 0; + int tri = pos % bits; /* Start position */ + int i = pos / bits; + int bit = 0; + + while (num--) { + data |= (__u64)((buf[i] >> tri++) & 1) << bit++; /* Transfer bit */ + if (tri == bits) { + i++; /* Next triplet */ + tri = 0; + } + } + + return data; +} + +/* + * sw_init_digital() initializes a SideWinder 3D Pro joystick + * into digital mode. + */ + +static void sw_init_digital(struct gameport *gameport) +{ + int seq[] = { 140, 140+725, 140+300, 0 }; + unsigned long flags; + int i, t; + + local_irq_save(flags); + + i = 0; + do { + gameport_trigger(gameport); /* Trigger */ + t = gameport_time(gameport, SW_TIMEOUT * 1000); + while ((gameport_read(gameport) & 1) && t) t--; /* Wait for axis to fall back to 0 */ + udelay(seq[i]); /* Delay magic time */ + } while (seq[++i]); + + gameport_trigger(gameport); /* Last trigger */ + + local_irq_restore(flags); +} + +/* + * sw_parity() computes parity of __u64 + */ + +static int sw_parity(__u64 t) +{ + int x = t ^ (t >> 32); + + x ^= x >> 16; + x ^= x >> 8; + x ^= x >> 4; + x ^= x >> 2; + x ^= x >> 1; + return x & 1; +} + +/* + * sw_ccheck() checks synchronization bits and computes checksum of nibbles. + */ + +static int sw_check(__u64 t) +{ + unsigned char sum = 0; + + if ((t & 0x8080808080808080ULL) ^ 0x80) /* Sync */ + return -1; + + while (t) { /* Sum */ + sum += t & 0xf; + t >>= 4; + } + + return sum & 0xf; +} + +/* + * sw_parse() analyzes SideWinder joystick data, and writes the results into + * the axes and buttons arrays. + */ + +static int sw_parse(unsigned char *buf, struct sw *sw) +{ + int hat, i, j; + struct input_dev *dev; + + switch (sw->type) { + + case SW_ID_3DP: + + if (sw_check(GB(0,64)) || (hat = (GB(6,1) << 3) | GB(60,3)) > 8) + return -1; + + dev = sw->dev[0]; + + input_report_abs(dev, ABS_X, (GB( 3,3) << 7) | GB(16,7)); + input_report_abs(dev, ABS_Y, (GB( 0,3) << 7) | GB(24,7)); + input_report_abs(dev, ABS_RZ, (GB(35,2) << 7) | GB(40,7)); + input_report_abs(dev, ABS_THROTTLE, (GB(32,3) << 7) | GB(48,7)); + + input_report_abs(dev, ABS_HAT0X, sw_hat_to_axis[hat].x); + input_report_abs(dev, ABS_HAT0Y, sw_hat_to_axis[hat].y); + + for (j = 0; j < 7; j++) + input_report_key(dev, sw_btn[SW_ID_3DP][j], !GB(j+8,1)); + + input_report_key(dev, BTN_BASE4, !GB(38,1)); + input_report_key(dev, BTN_BASE5, !GB(37,1)); + + input_sync(dev); + + return 0; + + case SW_ID_GP: + + for (i = 0; i < sw->number; i ++) { + + if (sw_parity(GB(i*15,15))) + return -1; + + input_report_abs(sw->dev[i], ABS_X, GB(i*15+3,1) - GB(i*15+2,1)); + input_report_abs(sw->dev[i], ABS_Y, GB(i*15+0,1) - GB(i*15+1,1)); + + for (j = 0; j < 10; j++) + input_report_key(sw->dev[i], sw_btn[SW_ID_GP][j], !GB(i*15+j+4,1)); + + input_sync(sw->dev[i]); + } + + return 0; + + case SW_ID_PP: + case SW_ID_FFP: + + if (!sw_parity(GB(0,48)) || (hat = GB(42,4)) > 8) + return -1; + + dev = sw->dev[0]; + input_report_abs(dev, ABS_X, GB( 9,10)); + input_report_abs(dev, ABS_Y, GB(19,10)); + input_report_abs(dev, ABS_RZ, GB(36, 6)); + input_report_abs(dev, ABS_THROTTLE, GB(29, 7)); + + input_report_abs(dev, ABS_HAT0X, sw_hat_to_axis[hat].x); + input_report_abs(dev, ABS_HAT0Y, sw_hat_to_axis[hat].y); + + for (j = 0; j < 9; j++) + input_report_key(dev, sw_btn[SW_ID_PP][j], !GB(j,1)); + + input_sync(dev); + + return 0; + + case SW_ID_FSP: + + if (!sw_parity(GB(0,43)) || (hat = GB(28,4)) > 8) + return -1; + + dev = sw->dev[0]; + input_report_abs(dev, ABS_X, GB( 0,10)); + input_report_abs(dev, ABS_Y, GB(16,10)); + input_report_abs(dev, ABS_THROTTLE, GB(32, 6)); + + input_report_abs(dev, ABS_HAT0X, sw_hat_to_axis[hat].x); + input_report_abs(dev, ABS_HAT0Y, sw_hat_to_axis[hat].y); + + for (j = 0; j < 6; j++) + input_report_key(dev, sw_btn[SW_ID_FSP][j], !GB(j+10,1)); + + input_report_key(dev, BTN_TR, !GB(26,1)); + input_report_key(dev, BTN_START, !GB(27,1)); + input_report_key(dev, BTN_MODE, !GB(38,1)); + input_report_key(dev, BTN_SELECT, !GB(39,1)); + + input_sync(dev); + + return 0; + + case SW_ID_FFW: + + if (!sw_parity(GB(0,33))) + return -1; + + dev = sw->dev[0]; + input_report_abs(dev, ABS_RX, GB( 0,10)); + input_report_abs(dev, ABS_RUDDER, GB(10, 6)); + input_report_abs(dev, ABS_THROTTLE, GB(16, 6)); + + for (j = 0; j < 8; j++) + input_report_key(dev, sw_btn[SW_ID_FFW][j], !GB(j+22,1)); + + input_sync(dev); + + return 0; + } + + return -1; +} + +/* + * sw_read() reads SideWinder joystick data, and reinitializes + * the joystick in case of persistent problems. This is the function that is + * called from the generic code to poll the joystick. + */ + +static int sw_read(struct sw *sw) +{ + unsigned char buf[SW_LENGTH]; + int i; + + i = sw_read_packet(sw->gameport, buf, sw->length, 0); + + if (sw->type == SW_ID_3DP && sw->length == 66 && i != 66) { /* Broken packet, try to fix */ + + if (i == 64 && !sw_check(sw_get_bits(buf,0,64,1))) { /* Last init failed, 1 bit mode */ + printk(KERN_WARNING "sidewinder.c: Joystick in wrong mode on %s" + " - going to reinitialize.\n", sw->gameport->phys); + sw->fail = SW_FAIL; /* Reinitialize */ + i = 128; /* Bogus value */ + } + + if (i < 66 && GB(0,64) == GB(i*3-66,64)) /* 1 == 3 */ + i = 66; /* Everything is fine */ + + if (i < 66 && GB(0,64) == GB(66,64)) /* 1 == 2 */ + i = 66; /* Everything is fine */ + + if (i < 66 && GB(i*3-132,64) == GB(i*3-66,64)) { /* 2 == 3 */ + memmove(buf, buf + i - 22, 22); /* Move data */ + i = 66; /* Carry on */ + } + } + + if (i == sw->length && !sw_parse(buf, sw)) { /* Parse data */ + + sw->fail = 0; + sw->ok++; + + if (sw->type == SW_ID_3DP && sw->length == 66 /* Many packets OK */ + && sw->ok > SW_OK) { + + printk(KERN_INFO "sidewinder.c: No more trouble on %s" + " - enabling optimization again.\n", sw->gameport->phys); + sw->length = 22; + } + + return 0; + } + + sw->ok = 0; + sw->fail++; + + if (sw->type == SW_ID_3DP && sw->length == 22 && sw->fail > SW_BAD) { /* Consecutive bad packets */ + + printk(KERN_INFO "sidewinder.c: Many bit errors on %s" + " - disabling optimization.\n", sw->gameport->phys); + sw->length = 66; + } + + if (sw->fail < SW_FAIL) + return -1; /* Not enough, don't reinitialize yet */ + + printk(KERN_WARNING "sidewinder.c: Too many bit errors on %s" + " - reinitializing joystick.\n", sw->gameport->phys); + + if (!i && sw->type == SW_ID_3DP) { /* 3D Pro can be in analog mode */ + mdelay(3 * SW_TIMEOUT); + sw_init_digital(sw->gameport); + } + + mdelay(SW_TIMEOUT); + i = sw_read_packet(sw->gameport, buf, SW_LENGTH, 0); /* Read normal data packet */ + mdelay(SW_TIMEOUT); + sw_read_packet(sw->gameport, buf, SW_LENGTH, i); /* Read ID packet, this initializes the stick */ + + sw->fail = SW_FAIL; + + return -1; +} + +static void sw_poll(struct gameport *gameport) +{ + struct sw *sw = gameport_get_drvdata(gameport); + + sw->reads++; + if (sw_read(sw)) + sw->bads++; +} + +static int sw_open(struct input_dev *dev) +{ + struct sw *sw = input_get_drvdata(dev); + + gameport_start_polling(sw->gameport); + return 0; +} + +static void sw_close(struct input_dev *dev) +{ + struct sw *sw = input_get_drvdata(dev); + + gameport_stop_polling(sw->gameport); +} + +/* + * sw_print_packet() prints the contents of a SideWinder packet. + */ + +static void sw_print_packet(char *name, int length, unsigned char *buf, char bits) +{ + int i; + + printk(KERN_INFO "sidewinder.c: %s packet, %d bits. [", name, length); + for (i = (((length + 3) >> 2) - 1); i >= 0; i--) + printk("%x", (int)sw_get_bits(buf, i << 2, 4, bits)); + printk("]\n"); +} + +/* + * sw_3dp_id() translates the 3DP id into a human legible string. + * Unfortunately I don't know how to do this for the other SW types. + */ + +static void sw_3dp_id(unsigned char *buf, char *comment, size_t size) +{ + int i; + char pnp[8], rev[9]; + + for (i = 0; i < 7; i++) /* ASCII PnP ID */ + pnp[i] = sw_get_bits(buf, 24+8*i, 8, 1); + + for (i = 0; i < 8; i++) /* ASCII firmware revision */ + rev[i] = sw_get_bits(buf, 88+8*i, 8, 1); + + pnp[7] = rev[8] = 0; + + snprintf(comment, size, " [PnP %d.%02d id %s rev %s]", + (int) ((sw_get_bits(buf, 8, 6, 1) << 6) | /* Two 6-bit values */ + sw_get_bits(buf, 16, 6, 1)) / 100, + (int) ((sw_get_bits(buf, 8, 6, 1) << 6) | + sw_get_bits(buf, 16, 6, 1)) % 100, + pnp, rev); +} + +/* + * sw_guess_mode() checks the upper two button bits for toggling - + * indication of that the joystick is in 3-bit mode. This is documented + * behavior for 3DP ID packet, and for example the FSP does this in + * normal packets instead. Fun ... + */ + +static int sw_guess_mode(unsigned char *buf, int len) +{ + int i; + unsigned char xor = 0; + + for (i = 1; i < len; i++) + xor |= (buf[i - 1] ^ buf[i]) & 6; + + return !!xor * 2 + 1; +} + +/* + * sw_connect() probes for SideWinder type joysticks. + */ + +static int sw_connect(struct gameport *gameport, struct gameport_driver *drv) +{ + struct sw *sw; + struct input_dev *input_dev; + int i, j, k, l; + int err = 0; + unsigned char *buf = NULL; /* [SW_LENGTH] */ + unsigned char *idbuf = NULL; /* [SW_LENGTH] */ + unsigned char m = 1; + char comment[40]; + + comment[0] = 0; + + sw = kzalloc(sizeof(struct sw), GFP_KERNEL); + buf = kmalloc(SW_LENGTH, GFP_KERNEL); + idbuf = kmalloc(SW_LENGTH, GFP_KERNEL); + if (!sw || !buf || !idbuf) { + err = -ENOMEM; + goto fail1; + } + + sw->gameport = gameport; + + gameport_set_drvdata(gameport, sw); + + err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW); + if (err) + goto fail1; + + dbg("Init 0: Opened %s, io %#x, speed %d", + gameport->phys, gameport->io, gameport->speed); + + i = sw_read_packet(gameport, buf, SW_LENGTH, 0); /* Read normal packet */ + msleep(SW_TIMEOUT); + dbg("Init 1: Mode %d. Length %d.", m , i); + + if (!i) { /* No data. 3d Pro analog mode? */ + sw_init_digital(gameport); /* Switch to digital */ + msleep(SW_TIMEOUT); + i = sw_read_packet(gameport, buf, SW_LENGTH, 0); /* Retry reading packet */ + msleep(SW_TIMEOUT); + dbg("Init 1b: Length %d.", i); + if (!i) { /* No data -> FAIL */ + err = -ENODEV; + goto fail2; + } + } + + j = sw_read_packet(gameport, idbuf, SW_LENGTH, i); /* Read ID. This initializes the stick */ + m |= sw_guess_mode(idbuf, j); /* ID packet should carry mode info [3DP] */ + dbg("Init 2: Mode %d. ID Length %d.", m, j); + + if (j <= 0) { /* Read ID failed. Happens in 1-bit mode on PP */ + msleep(SW_TIMEOUT); + i = sw_read_packet(gameport, buf, SW_LENGTH, 0); /* Retry reading packet */ + m |= sw_guess_mode(buf, i); + dbg("Init 2b: Mode %d. Length %d.", m, i); + if (!i) { + err = -ENODEV; + goto fail2; + } + msleep(SW_TIMEOUT); + j = sw_read_packet(gameport, idbuf, SW_LENGTH, i); /* Retry reading ID */ + dbg("Init 2c: ID Length %d.", j); + } + + sw->type = -1; + k = SW_FAIL; /* Try SW_FAIL times */ + l = 0; + + do { + k--; + msleep(SW_TIMEOUT); + i = sw_read_packet(gameport, buf, SW_LENGTH, 0); /* Read data packet */ + dbg("Init 3: Mode %d. Length %d. Last %d. Tries %d.", m, i, l, k); + + if (i > l) { /* Longer? As we can only lose bits, it makes */ + /* no sense to try detection for a packet shorter */ + l = i; /* than the previous one */ + + sw->number = 1; + sw->gameport = gameport; + sw->length = i; + sw->bits = m; + + dbg("Init 3a: Case %d.\n", i * m); + + switch (i * m) { + case 60: + sw->number++; + case 45: /* Ambiguous packet length */ + if (j <= 40) { /* ID length less or eq 40 -> FSP */ + case 43: + sw->type = SW_ID_FSP; + break; + } + sw->number++; + case 30: + sw->number++; + case 15: + sw->type = SW_ID_GP; + break; + case 33: + case 31: + sw->type = SW_ID_FFW; + break; + case 48: /* Ambiguous */ + if (j == 14) { /* ID length 14*3 -> FFP */ + sw->type = SW_ID_FFP; + sprintf(comment, " [AC %s]", sw_get_bits(idbuf,38,1,3) ? "off" : "on"); + } else + sw->type = SW_ID_PP; + break; + case 66: + sw->bits = 3; + case 198: + sw->length = 22; + case 64: + sw->type = SW_ID_3DP; + if (j == 160) + sw_3dp_id(idbuf, comment, sizeof(comment)); + break; + } + } + + } while (k && sw->type == -1); + + if (sw->type == -1) { + printk(KERN_WARNING "sidewinder.c: unknown joystick device detected " + "on %s, contact <vojtech@ucw.cz>\n", gameport->phys); + sw_print_packet("ID", j * 3, idbuf, 3); + sw_print_packet("Data", i * m, buf, m); + err = -ENODEV; + goto fail2; + } + +#ifdef SW_DEBUG + sw_print_packet("ID", j * 3, idbuf, 3); + sw_print_packet("Data", i * m, buf, m); +#endif + + gameport_set_poll_handler(gameport, sw_poll); + gameport_set_poll_interval(gameport, 20); + + k = i; + l = j; + + for (i = 0; i < sw->number; i++) { + int bits, code; + + snprintf(sw->name, sizeof(sw->name), + "Microsoft SideWinder %s", sw_name[sw->type]); + snprintf(sw->phys[i], sizeof(sw->phys[i]), + "%s/input%d", gameport->phys, i); + + sw->dev[i] = input_dev = input_allocate_device(); + if (!input_dev) { + err = -ENOMEM; + goto fail3; + } + + input_dev->name = sw->name; + input_dev->phys = sw->phys[i]; + input_dev->id.bustype = BUS_GAMEPORT; + input_dev->id.vendor = GAMEPORT_ID_VENDOR_MICROSOFT; + input_dev->id.product = sw->type; + input_dev->id.version = 0x0100; + input_dev->dev.parent = &gameport->dev; + + input_set_drvdata(input_dev, sw); + + input_dev->open = sw_open; + input_dev->close = sw_close; + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + + for (j = 0; (bits = sw_bit[sw->type][j]); j++) { + code = sw_abs[sw->type][j]; + set_bit(code, input_dev->absbit); + input_dev->absmax[code] = (1 << bits) - 1; + input_dev->absmin[code] = (bits == 1) ? -1 : 0; + input_dev->absfuzz[code] = ((bits >> 1) >= 2) ? (1 << ((bits >> 1) - 2)) : 0; + if (code != ABS_THROTTLE) + input_dev->absflat[code] = (bits >= 5) ? (1 << (bits - 5)) : 0; + } + + for (j = 0; (code = sw_btn[sw->type][j]); j++) + set_bit(code, input_dev->keybit); + + dbg("%s%s [%d-bit id %d data %d]\n", sw->name, comment, m, l, k); + + err = input_register_device(sw->dev[i]); + if (err) + goto fail4; + } + + out: kfree(buf); + kfree(idbuf); + + return err; + + fail4: input_free_device(sw->dev[i]); + fail3: while (--i >= 0) + input_unregister_device(sw->dev[i]); + fail2: gameport_close(gameport); + fail1: gameport_set_drvdata(gameport, NULL); + kfree(sw); + goto out; +} + +static void sw_disconnect(struct gameport *gameport) +{ + struct sw *sw = gameport_get_drvdata(gameport); + int i; + + for (i = 0; i < sw->number; i++) + input_unregister_device(sw->dev[i]); + gameport_close(gameport); + gameport_set_drvdata(gameport, NULL); + kfree(sw); +} + +static struct gameport_driver sw_drv = { + .driver = { + .name = "sidewinder", + .owner = THIS_MODULE, + }, + .description = DRIVER_DESC, + .connect = sw_connect, + .disconnect = sw_disconnect, +}; + +static int __init sw_init(void) +{ + return gameport_register_driver(&sw_drv); +} + +static void __exit sw_exit(void) +{ + gameport_unregister_driver(&sw_drv); +} + +module_init(sw_init); +module_exit(sw_exit); diff --git a/drivers/input/joystick/spaceball.c b/drivers/input/joystick/spaceball.c new file mode 100644 index 0000000..0cd9b29 --- /dev/null +++ b/drivers/input/joystick/spaceball.c @@ -0,0 +1,314 @@ +/* + * Copyright (c) 1999-2001 Vojtech Pavlik + * + * Based on the work of: + * David Thompson + * Joseph Krahn + */ + +/* + * SpaceTec SpaceBall 2003/3003/4000 FLX driver for Linux + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/serio.h> + +#define DRIVER_DESC "SpaceTec SpaceBall 2003/3003/4000 FLX driver" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +/* + * Constants. + */ + +#define SPACEBALL_MAX_LENGTH 128 +#define SPACEBALL_MAX_ID 9 + +#define SPACEBALL_1003 1 +#define SPACEBALL_2003B 3 +#define SPACEBALL_2003C 4 +#define SPACEBALL_3003C 7 +#define SPACEBALL_4000FLX 8 +#define SPACEBALL_4000FLX_L 9 + +static int spaceball_axes[] = { ABS_X, ABS_Z, ABS_Y, ABS_RX, ABS_RZ, ABS_RY }; +static char *spaceball_names[] = { + "?", "SpaceTec SpaceBall 1003", "SpaceTec SpaceBall 2003", "SpaceTec SpaceBall 2003B", + "SpaceTec SpaceBall 2003C", "SpaceTec SpaceBall 3003", "SpaceTec SpaceBall SpaceController", + "SpaceTec SpaceBall 3003C", "SpaceTec SpaceBall 4000FLX", "SpaceTec SpaceBall 4000FLX Lefty" }; + +/* + * Per-Ball data. + */ + +struct spaceball { + struct input_dev *dev; + int idx; + int escape; + unsigned char data[SPACEBALL_MAX_LENGTH]; + char phys[32]; +}; + +/* + * spaceball_process_packet() decodes packets the driver receives from the + * SpaceBall. + */ + +static void spaceball_process_packet(struct spaceball* spaceball) +{ + struct input_dev *dev = spaceball->dev; + unsigned char *data = spaceball->data; + int i; + + if (spaceball->idx < 2) return; + + switch (spaceball->data[0]) { + + case 'D': /* Ball data */ + if (spaceball->idx != 15) return; + for (i = 0; i < 6; i++) + input_report_abs(dev, spaceball_axes[i], + (__s16)((data[2 * i + 3] << 8) | data[2 * i + 2])); + break; + + case 'K': /* Button data */ + if (spaceball->idx != 3) return; + input_report_key(dev, BTN_1, (data[2] & 0x01) || (data[2] & 0x20)); + input_report_key(dev, BTN_2, data[2] & 0x02); + input_report_key(dev, BTN_3, data[2] & 0x04); + input_report_key(dev, BTN_4, data[2] & 0x08); + input_report_key(dev, BTN_5, data[1] & 0x01); + input_report_key(dev, BTN_6, data[1] & 0x02); + input_report_key(dev, BTN_7, data[1] & 0x04); + input_report_key(dev, BTN_8, data[1] & 0x10); + break; + + case '.': /* Advanced button data */ + if (spaceball->idx != 3) return; + input_report_key(dev, BTN_1, data[2] & 0x01); + input_report_key(dev, BTN_2, data[2] & 0x02); + input_report_key(dev, BTN_3, data[2] & 0x04); + input_report_key(dev, BTN_4, data[2] & 0x08); + input_report_key(dev, BTN_5, data[2] & 0x10); + input_report_key(dev, BTN_6, data[2] & 0x20); + input_report_key(dev, BTN_7, data[2] & 0x80); + input_report_key(dev, BTN_8, data[1] & 0x01); + input_report_key(dev, BTN_9, data[1] & 0x02); + input_report_key(dev, BTN_A, data[1] & 0x04); + input_report_key(dev, BTN_B, data[1] & 0x08); + input_report_key(dev, BTN_C, data[1] & 0x10); + input_report_key(dev, BTN_MODE, data[1] & 0x20); + break; + + case 'E': /* Device error */ + spaceball->data[spaceball->idx - 1] = 0; + printk(KERN_ERR "spaceball: Device error. [%s]\n", spaceball->data + 1); + break; + + case '?': /* Bad command packet */ + spaceball->data[spaceball->idx - 1] = 0; + printk(KERN_ERR "spaceball: Bad command. [%s]\n", spaceball->data + 1); + break; + } + + input_sync(dev); +} + +/* + * Spaceball 4000 FLX packets all start with a one letter packet-type decriptor, + * and end in 0x0d. It uses '^' as an escape for CR, XOFF and XON characters which + * can occur in the axis values. + */ + +static irqreturn_t spaceball_interrupt(struct serio *serio, + unsigned char data, unsigned int flags) +{ + struct spaceball *spaceball = serio_get_drvdata(serio); + + switch (data) { + case 0xd: + spaceball_process_packet(spaceball); + spaceball->idx = 0; + spaceball->escape = 0; + break; + case '^': + if (!spaceball->escape) { + spaceball->escape = 1; + break; + } + spaceball->escape = 0; + case 'M': + case 'Q': + case 'S': + if (spaceball->escape) { + spaceball->escape = 0; + data &= 0x1f; + } + default: + if (spaceball->escape) + spaceball->escape = 0; + if (spaceball->idx < SPACEBALL_MAX_LENGTH) + spaceball->data[spaceball->idx++] = data; + break; + } + return IRQ_HANDLED; +} + +/* + * spaceball_disconnect() is the opposite of spaceball_connect() + */ + +static void spaceball_disconnect(struct serio *serio) +{ + struct spaceball* spaceball = serio_get_drvdata(serio); + + serio_close(serio); + serio_set_drvdata(serio, NULL); + input_unregister_device(spaceball->dev); + kfree(spaceball); +} + +/* + * spaceball_connect() is the routine that is called when someone adds a + * new serio device that supports Spaceball protocol and registers it as + * an input device. + */ + +static int spaceball_connect(struct serio *serio, struct serio_driver *drv) +{ + struct spaceball *spaceball; + struct input_dev *input_dev; + int err = -ENOMEM; + int i, id; + + if ((id = serio->id.id) > SPACEBALL_MAX_ID) + return -ENODEV; + + spaceball = kmalloc(sizeof(struct spaceball), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!spaceball || !input_dev) + goto fail1; + + spaceball->dev = input_dev; + snprintf(spaceball->phys, sizeof(spaceball->phys), "%s/input0", serio->phys); + + input_dev->name = spaceball_names[id]; + input_dev->phys = spaceball->phys; + input_dev->id.bustype = BUS_RS232; + input_dev->id.vendor = SERIO_SPACEBALL; + input_dev->id.product = id; + input_dev->id.version = 0x0100; + input_dev->dev.parent = &serio->dev; + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + + switch (id) { + case SPACEBALL_4000FLX: + case SPACEBALL_4000FLX_L: + input_dev->keybit[BIT_WORD(BTN_0)] |= BIT_MASK(BTN_9); + input_dev->keybit[BIT_WORD(BTN_A)] |= BIT_MASK(BTN_A) | + BIT_MASK(BTN_B) | BIT_MASK(BTN_C) | + BIT_MASK(BTN_MODE); + default: + input_dev->keybit[BIT_WORD(BTN_0)] |= BIT_MASK(BTN_2) | + BIT_MASK(BTN_3) | BIT_MASK(BTN_4) | + BIT_MASK(BTN_5) | BIT_MASK(BTN_6) | + BIT_MASK(BTN_7) | BIT_MASK(BTN_8); + case SPACEBALL_3003C: + input_dev->keybit[BIT_WORD(BTN_0)] |= BIT_MASK(BTN_1) | + BIT_MASK(BTN_8); + } + + for (i = 0; i < 3; i++) { + input_set_abs_params(input_dev, ABS_X + i, -8000, 8000, 8, 40); + input_set_abs_params(input_dev, ABS_RX + i, -1600, 1600, 2, 8); + } + + serio_set_drvdata(serio, spaceball); + + err = serio_open(serio, drv); + if (err) + goto fail2; + + err = input_register_device(spaceball->dev); + if (err) + goto fail3; + + return 0; + + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(input_dev); + kfree(spaceball); + return err; +} + +/* + * The serio driver structure. + */ + +static struct serio_device_id spaceball_serio_ids[] = { + { + .type = SERIO_RS232, + .proto = SERIO_SPACEBALL, + .id = SERIO_ANY, + .extra = SERIO_ANY, + }, + { 0 } +}; + +MODULE_DEVICE_TABLE(serio, spaceball_serio_ids); + +static struct serio_driver spaceball_drv = { + .driver = { + .name = "spaceball", + }, + .description = DRIVER_DESC, + .id_table = spaceball_serio_ids, + .interrupt = spaceball_interrupt, + .connect = spaceball_connect, + .disconnect = spaceball_disconnect, +}; + +/* + * The functions for inserting/removing us as a module. + */ + +static int __init spaceball_init(void) +{ + return serio_register_driver(&spaceball_drv); +} + +static void __exit spaceball_exit(void) +{ + serio_unregister_driver(&spaceball_drv); +} + +module_init(spaceball_init); +module_exit(spaceball_exit); diff --git a/drivers/input/joystick/spaceorb.c b/drivers/input/joystick/spaceorb.c new file mode 100644 index 0000000..a694bf8 --- /dev/null +++ b/drivers/input/joystick/spaceorb.c @@ -0,0 +1,255 @@ +/* + * Copyright (c) 1999-2001 Vojtech Pavlik + * + * Based on the work of: + * David Thompson + */ + +/* + * SpaceTec SpaceOrb 360 and Avenger 6dof controller driver for Linux + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/input.h> +#include <linux/serio.h> + +#define DRIVER_DESC "SpaceTec SpaceOrb 360 and Avenger 6dof controller driver" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +/* + * Constants. + */ + +#define SPACEORB_MAX_LENGTH 64 + +static int spaceorb_buttons[] = { BTN_TL, BTN_TR, BTN_Y, BTN_X, BTN_B, BTN_A }; +static int spaceorb_axes[] = { ABS_X, ABS_Y, ABS_Z, ABS_RX, ABS_RY, ABS_RZ }; + +/* + * Per-Orb data. + */ + +struct spaceorb { + struct input_dev *dev; + int idx; + unsigned char data[SPACEORB_MAX_LENGTH]; + char phys[32]; +}; + +static unsigned char spaceorb_xor[] = "SpaceWare"; + +static unsigned char *spaceorb_errors[] = { "EEPROM storing 0 failed", "Receive queue overflow", "Transmit queue timeout", + "Bad packet", "Power brown-out", "EEPROM checksum error", "Hardware fault" }; + +/* + * spaceorb_process_packet() decodes packets the driver receives from the + * SpaceOrb. + */ + +static void spaceorb_process_packet(struct spaceorb *spaceorb) +{ + struct input_dev *dev = spaceorb->dev; + unsigned char *data = spaceorb->data; + unsigned char c = 0; + int axes[6]; + int i; + + if (spaceorb->idx < 2) return; + for (i = 0; i < spaceorb->idx; i++) c ^= data[i]; + if (c) return; + + switch (data[0]) { + + case 'R': /* Reset packet */ + spaceorb->data[spaceorb->idx - 1] = 0; + for (i = 1; i < spaceorb->idx && spaceorb->data[i] == ' '; i++); + printk(KERN_INFO "input: %s [%s] is %s\n", + dev->name, spaceorb->data + i, spaceorb->phys); + break; + + case 'D': /* Ball + button data */ + if (spaceorb->idx != 12) return; + for (i = 0; i < 9; i++) spaceorb->data[i+2] ^= spaceorb_xor[i]; + axes[0] = ( data[2] << 3) | (data[ 3] >> 4); + axes[1] = ((data[3] & 0x0f) << 6) | (data[ 4] >> 1); + axes[2] = ((data[4] & 0x01) << 9) | (data[ 5] << 2) | (data[4] >> 5); + axes[3] = ((data[6] & 0x1f) << 5) | (data[ 7] >> 2); + axes[4] = ((data[7] & 0x03) << 8) | (data[ 8] << 1) | (data[7] >> 6); + axes[5] = ((data[9] & 0x3f) << 4) | (data[10] >> 3); + for (i = 0; i < 6; i++) + input_report_abs(dev, spaceorb_axes[i], axes[i] - ((axes[i] & 0x200) ? 1024 : 0)); + for (i = 0; i < 6; i++) + input_report_key(dev, spaceorb_buttons[i], (data[1] >> i) & 1); + break; + + case 'K': /* Button data */ + if (spaceorb->idx != 5) return; + for (i = 0; i < 6; i++) + input_report_key(dev, spaceorb_buttons[i], (data[2] >> i) & 1); + + break; + + case 'E': /* Error packet */ + if (spaceorb->idx != 4) return; + printk(KERN_ERR "spaceorb: Device error. [ "); + for (i = 0; i < 7; i++) if (data[1] & (1 << i)) printk("%s ", spaceorb_errors[i]); + printk("]\n"); + break; + } + + input_sync(dev); +} + +static irqreturn_t spaceorb_interrupt(struct serio *serio, + unsigned char data, unsigned int flags) +{ + struct spaceorb* spaceorb = serio_get_drvdata(serio); + + if (~data & 0x80) { + if (spaceorb->idx) spaceorb_process_packet(spaceorb); + spaceorb->idx = 0; + } + if (spaceorb->idx < SPACEORB_MAX_LENGTH) + spaceorb->data[spaceorb->idx++] = data & 0x7f; + return IRQ_HANDLED; +} + +/* + * spaceorb_disconnect() is the opposite of spaceorb_connect() + */ + +static void spaceorb_disconnect(struct serio *serio) +{ + struct spaceorb* spaceorb = serio_get_drvdata(serio); + + serio_close(serio); + serio_set_drvdata(serio, NULL); + input_unregister_device(spaceorb->dev); + kfree(spaceorb); +} + +/* + * spaceorb_connect() is the routine that is called when someone adds a + * new serio device that supports SpaceOrb/Avenger protocol and registers + * it as an input device. + */ + +static int spaceorb_connect(struct serio *serio, struct serio_driver *drv) +{ + struct spaceorb *spaceorb; + struct input_dev *input_dev; + int err = -ENOMEM; + int i; + + spaceorb = kzalloc(sizeof(struct spaceorb), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!spaceorb || !input_dev) + goto fail1; + + spaceorb->dev = input_dev; + snprintf(spaceorb->phys, sizeof(spaceorb->phys), "%s/input0", serio->phys); + + input_dev->name = "SpaceTec SpaceOrb 360 / Avenger"; + input_dev->phys = spaceorb->phys; + input_dev->id.bustype = BUS_RS232; + input_dev->id.vendor = SERIO_SPACEORB; + input_dev->id.product = 0x0001; + input_dev->id.version = 0x0100; + input_dev->dev.parent = &serio->dev; + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + + for (i = 0; i < 6; i++) + set_bit(spaceorb_buttons[i], input_dev->keybit); + + for (i = 0; i < 6; i++) + input_set_abs_params(input_dev, spaceorb_axes[i], -508, 508, 0, 0); + + serio_set_drvdata(serio, spaceorb); + + err = serio_open(serio, drv); + if (err) + goto fail2; + + err = input_register_device(spaceorb->dev); + if (err) + goto fail3; + + return 0; + + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(input_dev); + kfree(spaceorb); + return err; +} + +/* + * The serio driver structure. + */ + +static struct serio_device_id spaceorb_serio_ids[] = { + { + .type = SERIO_RS232, + .proto = SERIO_SPACEORB, + .id = SERIO_ANY, + .extra = SERIO_ANY, + }, + { 0 } +}; + +MODULE_DEVICE_TABLE(serio, spaceorb_serio_ids); + +static struct serio_driver spaceorb_drv = { + .driver = { + .name = "spaceorb", + }, + .description = DRIVER_DESC, + .id_table = spaceorb_serio_ids, + .interrupt = spaceorb_interrupt, + .connect = spaceorb_connect, + .disconnect = spaceorb_disconnect, +}; + +/* + * The functions for inserting/removing us as a module. + */ + +static int __init spaceorb_init(void) +{ + return serio_register_driver(&spaceorb_drv); +} + +static void __exit spaceorb_exit(void) +{ + serio_unregister_driver(&spaceorb_drv); +} + +module_init(spaceorb_init); +module_exit(spaceorb_exit); diff --git a/drivers/input/joystick/stinger.c b/drivers/input/joystick/stinger.c new file mode 100644 index 0000000..e0db9f5 --- /dev/null +++ b/drivers/input/joystick/stinger.c @@ -0,0 +1,226 @@ +/* + * Copyright (c) 2000-2001 Vojtech Pavlik + * Copyright (c) 2000 Mark Fletcher + */ + +/* + * Gravis Stinger gamepad driver for Linux + */ + +/* + * This program is free warftware; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/input.h> +#include <linux/serio.h> +#include <linux/init.h> + +#define DRIVER_DESC "Gravis Stinger gamepad driver" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +/* + * Constants. + */ + +#define STINGER_MAX_LENGTH 8 + +/* + * Per-Stinger data. + */ + +struct stinger { + struct input_dev *dev; + int idx; + unsigned char data[STINGER_MAX_LENGTH]; + char phys[32]; +}; + +/* + * stinger_process_packet() decodes packets the driver receives from the + * Stinger. It updates the data accordingly. + */ + +static void stinger_process_packet(struct stinger *stinger) +{ + struct input_dev *dev = stinger->dev; + unsigned char *data = stinger->data; + + if (!stinger->idx) return; + + input_report_key(dev, BTN_A, ((data[0] & 0x20) >> 5)); + input_report_key(dev, BTN_B, ((data[0] & 0x10) >> 4)); + input_report_key(dev, BTN_C, ((data[0] & 0x08) >> 3)); + input_report_key(dev, BTN_X, ((data[0] & 0x04) >> 2)); + input_report_key(dev, BTN_Y, ((data[3] & 0x20) >> 5)); + input_report_key(dev, BTN_Z, ((data[3] & 0x10) >> 4)); + input_report_key(dev, BTN_TL, ((data[3] & 0x08) >> 3)); + input_report_key(dev, BTN_TR, ((data[3] & 0x04) >> 2)); + input_report_key(dev, BTN_SELECT, ((data[3] & 0x02) >> 1)); + input_report_key(dev, BTN_START, (data[3] & 0x01)); + + input_report_abs(dev, ABS_X, (data[1] & 0x3F) - ((data[0] & 0x01) << 6)); + input_report_abs(dev, ABS_Y, ((data[0] & 0x02) << 5) - (data[2] & 0x3F)); + + input_sync(dev); + + return; +} + +/* + * stinger_interrupt() is called by the low level driver when characters + * are ready for us. We then buffer them for further processing, or call the + * packet processing routine. + */ + +static irqreturn_t stinger_interrupt(struct serio *serio, + unsigned char data, unsigned int flags) +{ + struct stinger *stinger = serio_get_drvdata(serio); + + /* All Stinger packets are 4 bytes */ + + if (stinger->idx < STINGER_MAX_LENGTH) + stinger->data[stinger->idx++] = data; + + if (stinger->idx == 4) { + stinger_process_packet(stinger); + stinger->idx = 0; + } + + return IRQ_HANDLED; +} + +/* + * stinger_disconnect() is the opposite of stinger_connect() + */ + +static void stinger_disconnect(struct serio *serio) +{ + struct stinger *stinger = serio_get_drvdata(serio); + + serio_close(serio); + serio_set_drvdata(serio, NULL); + input_unregister_device(stinger->dev); + kfree(stinger); +} + +/* + * stinger_connect() is the routine that is called when someone adds a + * new serio device that supports Stinger protocol and registers it as + * an input device. + */ + +static int stinger_connect(struct serio *serio, struct serio_driver *drv) +{ + struct stinger *stinger; + struct input_dev *input_dev; + int err = -ENOMEM; + + stinger = kmalloc(sizeof(struct stinger), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!stinger || !input_dev) + goto fail1; + + stinger->dev = input_dev; + snprintf(stinger->phys, sizeof(stinger->phys), "%s/serio0", serio->phys); + + input_dev->name = "Gravis Stinger"; + input_dev->phys = stinger->phys; + input_dev->id.bustype = BUS_RS232; + input_dev->id.vendor = SERIO_STINGER; + input_dev->id.product = 0x0001; + input_dev->id.version = 0x0100; + input_dev->dev.parent = &serio->dev; + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + input_dev->keybit[BIT_WORD(BTN_A)] = BIT_MASK(BTN_A) | BIT_MASK(BTN_B) | + BIT_MASK(BTN_C) | BIT_MASK(BTN_X) | BIT_MASK(BTN_Y) | + BIT_MASK(BTN_Z) | BIT_MASK(BTN_TL) | BIT_MASK(BTN_TR) | + BIT_MASK(BTN_START) | BIT_MASK(BTN_SELECT); + input_set_abs_params(input_dev, ABS_X, -64, 64, 0, 4); + input_set_abs_params(input_dev, ABS_Y, -64, 64, 0, 4); + + serio_set_drvdata(serio, stinger); + + err = serio_open(serio, drv); + if (err) + goto fail2; + + err = input_register_device(stinger->dev); + if (err) + goto fail3; + + return 0; + + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(input_dev); + kfree(stinger); + return err; +} + +/* + * The serio driver structure. + */ + +static struct serio_device_id stinger_serio_ids[] = { + { + .type = SERIO_RS232, + .proto = SERIO_STINGER, + .id = SERIO_ANY, + .extra = SERIO_ANY, + }, + { 0 } +}; + +MODULE_DEVICE_TABLE(serio, stinger_serio_ids); + +static struct serio_driver stinger_drv = { + .driver = { + .name = "stinger", + }, + .description = DRIVER_DESC, + .id_table = stinger_serio_ids, + .interrupt = stinger_interrupt, + .connect = stinger_connect, + .disconnect = stinger_disconnect, +}; + +/* + * The functions for inserting/removing us as a module. + */ + +static int __init stinger_init(void) +{ + return serio_register_driver(&stinger_drv); +} + +static void __exit stinger_exit(void) +{ + serio_unregister_driver(&stinger_drv); +} + +module_init(stinger_init); +module_exit(stinger_exit); diff --git a/drivers/input/joystick/tmdc.c b/drivers/input/joystick/tmdc.c new file mode 100644 index 0000000..d6c6098 --- /dev/null +++ b/drivers/input/joystick/tmdc.c @@ -0,0 +1,450 @@ +/* + * Copyright (c) 1998-2001 Vojtech Pavlik + * + * Based on the work of: + * Trystan Larey-Williams + */ + +/* + * ThrustMaster DirectConnect (BSP) joystick family driver for Linux + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/delay.h> +#include <linux/kernel.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/gameport.h> +#include <linux/input.h> +#include <linux/jiffies.h> + +#define DRIVER_DESC "ThrustMaster DirectConnect joystick driver" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +#define TMDC_MAX_START 600 /* 600 us */ +#define TMDC_MAX_STROBE 60 /* 60 us */ +#define TMDC_MAX_LENGTH 13 + +#define TMDC_MODE_M3DI 1 +#define TMDC_MODE_3DRP 3 +#define TMDC_MODE_AT 4 +#define TMDC_MODE_FM 8 +#define TMDC_MODE_FGP 163 + +#define TMDC_BYTE_ID 10 +#define TMDC_BYTE_REV 11 +#define TMDC_BYTE_DEF 12 + +#define TMDC_ABS 7 +#define TMDC_ABS_HAT 4 +#define TMDC_BTN 16 + +static const unsigned char tmdc_byte_a[16] = { 0, 1, 3, 4, 6, 7 }; +static const unsigned char tmdc_byte_d[16] = { 2, 5, 8, 9 }; + +static const signed char tmdc_abs[TMDC_ABS] = + { ABS_X, ABS_Y, ABS_RUDDER, ABS_THROTTLE, ABS_RX, ABS_RY, ABS_RZ }; +static const signed char tmdc_abs_hat[TMDC_ABS_HAT] = + { ABS_HAT0X, ABS_HAT0Y, ABS_HAT1X, ABS_HAT1Y }; +static const signed char tmdc_abs_at[TMDC_ABS] = + { ABS_X, ABS_Y, ABS_RUDDER, -1, ABS_THROTTLE }; +static const signed char tmdc_abs_fm[TMDC_ABS] = + { ABS_RX, ABS_RY, ABS_X, ABS_Y }; + +static const short tmdc_btn_pad[TMDC_BTN] = + { BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, BTN_START, BTN_SELECT, BTN_TL, BTN_TR }; +static const short tmdc_btn_joy[TMDC_BTN] = + { BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE, BTN_BASE2, BTN_THUMB2, BTN_PINKIE, + BTN_BASE3, BTN_BASE4, BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z }; +static const short tmdc_btn_fm[TMDC_BTN] = + { BTN_TRIGGER, BTN_C, BTN_B, BTN_A, BTN_THUMB, BTN_X, BTN_Y, BTN_Z, BTN_TOP, BTN_TOP2 }; +static const short tmdc_btn_at[TMDC_BTN] = + { BTN_TRIGGER, BTN_THUMB2, BTN_PINKIE, BTN_THUMB, BTN_BASE6, BTN_BASE5, BTN_BASE4, + BTN_BASE3, BTN_BASE2, BTN_BASE }; + +static const struct { + int x; + int y; +} tmdc_hat_to_axis[] = {{ 0, 0}, { 1, 0}, { 0,-1}, {-1, 0}, { 0, 1}}; + +static const struct tmdc_model { + unsigned char id; + const char *name; + char abs; + char hats; + char btnc[4]; + char btno[4]; + const signed char *axes; + const short *buttons; +} tmdc_models[] = { + { 1, "ThrustMaster Millenium 3D Inceptor", 6, 2, { 4, 2 }, { 4, 6 }, tmdc_abs, tmdc_btn_joy }, + { 3, "ThrustMaster Rage 3D Gamepad", 2, 0, { 8, 2 }, { 0, 0 }, tmdc_abs, tmdc_btn_pad }, + { 4, "ThrustMaster Attack Throttle", 5, 2, { 4, 6 }, { 4, 2 }, tmdc_abs_at, tmdc_btn_at }, + { 8, "ThrustMaster FragMaster", 4, 0, { 8, 2 }, { 0, 0 }, tmdc_abs_fm, tmdc_btn_fm }, + { 163, "Thrustmaster Fusion GamePad", 2, 0, { 8, 2 }, { 0, 0 }, tmdc_abs, tmdc_btn_pad }, + { 0, "Unknown %d-axis, %d-button TM device %d", 0, 0, { 0, 0 }, { 0, 0 }, tmdc_abs, tmdc_btn_joy } +}; + + +struct tmdc_port { + struct input_dev *dev; + char name[64]; + char phys[32]; + int mode; + const signed char *abs; + const short *btn; + unsigned char absc; + unsigned char btnc[4]; + unsigned char btno[4]; +}; + +struct tmdc { + struct gameport *gameport; + struct tmdc_port *port[2]; +#if 0 + struct input_dev *dev[2]; + char name[2][64]; + char phys[2][32]; + int mode[2]; + signed char *abs[2]; + short *btn[2]; + unsigned char absc[2]; + unsigned char btnc[2][4]; + unsigned char btno[2][4]; +#endif + int reads; + int bads; + unsigned char exists; +}; + +/* + * tmdc_read_packet() reads a ThrustMaster packet. + */ + +static int tmdc_read_packet(struct gameport *gameport, unsigned char data[2][TMDC_MAX_LENGTH]) +{ + unsigned char u, v, w, x; + unsigned long flags; + int i[2], j[2], t[2], p, k; + + p = gameport_time(gameport, TMDC_MAX_STROBE); + + for (k = 0; k < 2; k++) { + t[k] = gameport_time(gameport, TMDC_MAX_START); + i[k] = j[k] = 0; + } + + local_irq_save(flags); + gameport_trigger(gameport); + + w = gameport_read(gameport) >> 4; + + do { + x = w; + w = gameport_read(gameport) >> 4; + + for (k = 0, v = w, u = x; k < 2; k++, v >>= 2, u >>= 2) { + if (~v & u & 2) { + if (t[k] <= 0 || i[k] >= TMDC_MAX_LENGTH) continue; + t[k] = p; + if (j[k] == 0) { /* Start bit */ + if (~v & 1) t[k] = 0; + data[k][i[k]] = 0; j[k]++; continue; + } + if (j[k] == 9) { /* Stop bit */ + if (v & 1) t[k] = 0; + j[k] = 0; i[k]++; continue; + } + data[k][i[k]] |= (~v & 1) << (j[k]++ - 1); /* Data bit */ + } + t[k]--; + } + } while (t[0] > 0 || t[1] > 0); + + local_irq_restore(flags); + + return (i[0] == TMDC_MAX_LENGTH) | ((i[1] == TMDC_MAX_LENGTH) << 1); +} + +static int tmdc_parse_packet(struct tmdc_port *port, unsigned char *data) +{ + int i, k, l; + + if (data[TMDC_BYTE_ID] != port->mode) + return -1; + + for (i = 0; i < port->absc; i++) { + if (port->abs[i] < 0) + return 0; + + input_report_abs(port->dev, port->abs[i], data[tmdc_byte_a[i]]); + } + + switch (port->mode) { + + case TMDC_MODE_M3DI: + + i = tmdc_byte_d[0]; + input_report_abs(port->dev, ABS_HAT0X, ((data[i] >> 3) & 1) - ((data[i] >> 1) & 1)); + input_report_abs(port->dev, ABS_HAT0Y, ((data[i] >> 2) & 1) - ( data[i] & 1)); + break; + + case TMDC_MODE_AT: + + i = tmdc_byte_a[3]; + input_report_abs(port->dev, ABS_HAT0X, tmdc_hat_to_axis[(data[i] - 141) / 25].x); + input_report_abs(port->dev, ABS_HAT0Y, tmdc_hat_to_axis[(data[i] - 141) / 25].y); + break; + + } + + for (k = l = 0; k < 4; k++) { + for (i = 0; i < port->btnc[k]; i++) + input_report_key(port->dev, port->btn[i + l], + ((data[tmdc_byte_d[k]] >> (i + port->btno[k])) & 1)); + l += port->btnc[k]; + } + + input_sync(port->dev); + + return 0; +} + +/* + * tmdc_poll() reads and analyzes ThrustMaster joystick data. + */ + +static void tmdc_poll(struct gameport *gameport) +{ + unsigned char data[2][TMDC_MAX_LENGTH]; + struct tmdc *tmdc = gameport_get_drvdata(gameport); + unsigned char r, bad = 0; + int i; + + tmdc->reads++; + + if ((r = tmdc_read_packet(tmdc->gameport, data)) != tmdc->exists) + bad = 1; + else { + for (i = 0; i < 2; i++) { + if (r & (1 << i) & tmdc->exists) { + + if (tmdc_parse_packet(tmdc->port[i], data[i])) + bad = 1; + } + } + } + + tmdc->bads += bad; +} + +static int tmdc_open(struct input_dev *dev) +{ + struct tmdc *tmdc = input_get_drvdata(dev); + + gameport_start_polling(tmdc->gameport); + return 0; +} + +static void tmdc_close(struct input_dev *dev) +{ + struct tmdc *tmdc = input_get_drvdata(dev); + + gameport_stop_polling(tmdc->gameport); +} + +static int tmdc_setup_port(struct tmdc *tmdc, int idx, unsigned char *data) +{ + const struct tmdc_model *model; + struct tmdc_port *port; + struct input_dev *input_dev; + int i, j, b = 0; + int err; + + tmdc->port[idx] = port = kzalloc(sizeof (struct tmdc_port), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!port || !input_dev) { + err = -ENOMEM; + goto fail; + } + + port->mode = data[TMDC_BYTE_ID]; + + for (model = tmdc_models; model->id && model->id != port->mode; model++) + /* empty */; + + port->abs = model->axes; + port->btn = model->buttons; + + if (!model->id) { + port->absc = data[TMDC_BYTE_DEF] >> 4; + for (i = 0; i < 4; i++) + port->btnc[i] = i < (data[TMDC_BYTE_DEF] & 0xf) ? 8 : 0; + } else { + port->absc = model->abs; + for (i = 0; i < 4; i++) + port->btnc[i] = model->btnc[i]; + } + + for (i = 0; i < 4; i++) + port->btno[i] = model->btno[i]; + + snprintf(port->name, sizeof(port->name), model->name, + port->absc, (data[TMDC_BYTE_DEF] & 0xf) << 3, port->mode); + snprintf(port->phys, sizeof(port->phys), "%s/input%d", tmdc->gameport->phys, i); + + port->dev = input_dev; + + input_dev->name = port->name; + input_dev->phys = port->phys; + input_dev->id.bustype = BUS_GAMEPORT; + input_dev->id.vendor = GAMEPORT_ID_VENDOR_THRUSTMASTER; + input_dev->id.product = model->id; + input_dev->id.version = 0x0100; + input_dev->dev.parent = &tmdc->gameport->dev; + + input_set_drvdata(input_dev, tmdc); + + input_dev->open = tmdc_open; + input_dev->close = tmdc_close; + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + + for (i = 0; i < port->absc && i < TMDC_ABS; i++) + if (port->abs[i] >= 0) + input_set_abs_params(input_dev, port->abs[i], 8, 248, 2, 4); + + for (i = 0; i < model->hats && i < TMDC_ABS_HAT; i++) + input_set_abs_params(input_dev, tmdc_abs_hat[i], -1, 1, 0, 0); + + for (i = 0; i < 4; i++) { + for (j = 0; j < port->btnc[i] && j < TMDC_BTN; j++) + set_bit(port->btn[j + b], input_dev->keybit); + b += port->btnc[i]; + } + + err = input_register_device(port->dev); + if (err) + goto fail; + + return 0; + + fail: input_free_device(input_dev); + kfree(port); + return err; +} + +/* + * tmdc_probe() probes for ThrustMaster type joysticks. + */ + +static int tmdc_connect(struct gameport *gameport, struct gameport_driver *drv) +{ + unsigned char data[2][TMDC_MAX_LENGTH]; + struct tmdc *tmdc; + int i; + int err; + + if (!(tmdc = kzalloc(sizeof(struct tmdc), GFP_KERNEL))) + return -ENOMEM; + + tmdc->gameport = gameport; + + gameport_set_drvdata(gameport, tmdc); + + err = gameport_open(gameport, drv, GAMEPORT_MODE_RAW); + if (err) + goto fail1; + + if (!(tmdc->exists = tmdc_read_packet(gameport, data))) { + err = -ENODEV; + goto fail2; + } + + gameport_set_poll_handler(gameport, tmdc_poll); + gameport_set_poll_interval(gameport, 20); + + for (i = 0; i < 2; i++) { + if (tmdc->exists & (1 << i)) { + + err = tmdc_setup_port(tmdc, i, data[i]); + if (err) + goto fail3; + } + } + + return 0; + + fail3: while (--i >= 0) { + if (tmdc->port[i]) { + input_unregister_device(tmdc->port[i]->dev); + kfree(tmdc->port[i]); + } + } + fail2: gameport_close(gameport); + fail1: gameport_set_drvdata(gameport, NULL); + kfree(tmdc); + return err; +} + +static void tmdc_disconnect(struct gameport *gameport) +{ + struct tmdc *tmdc = gameport_get_drvdata(gameport); + int i; + + for (i = 0; i < 2; i++) { + if (tmdc->port[i]) { + input_unregister_device(tmdc->port[i]->dev); + kfree(tmdc->port[i]); + } + } + gameport_close(gameport); + gameport_set_drvdata(gameport, NULL); + kfree(tmdc); +} + +static struct gameport_driver tmdc_drv = { + .driver = { + .name = "tmdc", + .owner = THIS_MODULE, + }, + .description = DRIVER_DESC, + .connect = tmdc_connect, + .disconnect = tmdc_disconnect, +}; + +static int __init tmdc_init(void) +{ + return gameport_register_driver(&tmdc_drv); +} + +static void __exit tmdc_exit(void) +{ + gameport_unregister_driver(&tmdc_drv); +} + +module_init(tmdc_init); +module_exit(tmdc_exit); diff --git a/drivers/input/joystick/turbografx.c b/drivers/input/joystick/turbografx.c new file mode 100644 index 0000000..b6f8598 --- /dev/null +++ b/drivers/input/joystick/turbografx.c @@ -0,0 +1,323 @@ +/* + * Copyright (c) 1998-2001 Vojtech Pavlik + * + * Based on the work of: + * Steffen Schwenke + */ + +/* + * TurboGraFX parallel port interface driver for Linux. + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/kernel.h> +#include <linux/parport.h> +#include <linux/input.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/mutex.h> + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION("TurboGraFX parallel port interface driver"); +MODULE_LICENSE("GPL"); + +#define TGFX_MAX_PORTS 3 +#define TGFX_MAX_DEVICES 7 + +struct tgfx_config { + int args[TGFX_MAX_DEVICES + 1]; + unsigned int nargs; +}; + +static struct tgfx_config tgfx_cfg[TGFX_MAX_PORTS] __initdata; + +module_param_array_named(map, tgfx_cfg[0].args, int, &tgfx_cfg[0].nargs, 0); +MODULE_PARM_DESC(map, "Describes first set of devices (<parport#>,<js1>,<js2>,..<js7>"); +module_param_array_named(map2, tgfx_cfg[1].args, int, &tgfx_cfg[1].nargs, 0); +MODULE_PARM_DESC(map2, "Describes second set of devices"); +module_param_array_named(map3, tgfx_cfg[2].args, int, &tgfx_cfg[2].nargs, 0); +MODULE_PARM_DESC(map3, "Describes third set of devices"); + +#define TGFX_REFRESH_TIME HZ/100 /* 10 ms */ + +#define TGFX_TRIGGER 0x08 +#define TGFX_UP 0x10 +#define TGFX_DOWN 0x20 +#define TGFX_LEFT 0x40 +#define TGFX_RIGHT 0x80 + +#define TGFX_THUMB 0x02 +#define TGFX_THUMB2 0x04 +#define TGFX_TOP 0x01 +#define TGFX_TOP2 0x08 + +static int tgfx_buttons[] = { BTN_TRIGGER, BTN_THUMB, BTN_THUMB2, BTN_TOP, BTN_TOP2 }; + +static struct tgfx { + struct pardevice *pd; + struct timer_list timer; + struct input_dev *dev[TGFX_MAX_DEVICES]; + char name[TGFX_MAX_DEVICES][64]; + char phys[TGFX_MAX_DEVICES][32]; + int sticks; + int used; + struct mutex sem; +} *tgfx_base[TGFX_MAX_PORTS]; + +/* + * tgfx_timer() reads and analyzes TurboGraFX joystick data. + */ + +static void tgfx_timer(unsigned long private) +{ + struct tgfx *tgfx = (void *) private; + struct input_dev *dev; + int data1, data2, i; + + for (i = 0; i < 7; i++) + if (tgfx->sticks & (1 << i)) { + + dev = tgfx->dev[i]; + + parport_write_data(tgfx->pd->port, ~(1 << i)); + data1 = parport_read_status(tgfx->pd->port) ^ 0x7f; + data2 = parport_read_control(tgfx->pd->port) ^ 0x04; /* CAVEAT parport */ + + input_report_abs(dev, ABS_X, !!(data1 & TGFX_RIGHT) - !!(data1 & TGFX_LEFT)); + input_report_abs(dev, ABS_Y, !!(data1 & TGFX_DOWN ) - !!(data1 & TGFX_UP )); + + input_report_key(dev, BTN_TRIGGER, (data1 & TGFX_TRIGGER)); + input_report_key(dev, BTN_THUMB, (data2 & TGFX_THUMB )); + input_report_key(dev, BTN_THUMB2, (data2 & TGFX_THUMB2 )); + input_report_key(dev, BTN_TOP, (data2 & TGFX_TOP )); + input_report_key(dev, BTN_TOP2, (data2 & TGFX_TOP2 )); + + input_sync(dev); + } + + mod_timer(&tgfx->timer, jiffies + TGFX_REFRESH_TIME); +} + +static int tgfx_open(struct input_dev *dev) +{ + struct tgfx *tgfx = input_get_drvdata(dev); + int err; + + err = mutex_lock_interruptible(&tgfx->sem); + if (err) + return err; + + if (!tgfx->used++) { + parport_claim(tgfx->pd); + parport_write_control(tgfx->pd->port, 0x04); + mod_timer(&tgfx->timer, jiffies + TGFX_REFRESH_TIME); + } + + mutex_unlock(&tgfx->sem); + return 0; +} + +static void tgfx_close(struct input_dev *dev) +{ + struct tgfx *tgfx = input_get_drvdata(dev); + + mutex_lock(&tgfx->sem); + if (!--tgfx->used) { + del_timer_sync(&tgfx->timer); + parport_write_control(tgfx->pd->port, 0x00); + parport_release(tgfx->pd); + } + mutex_unlock(&tgfx->sem); +} + + + +/* + * tgfx_probe() probes for tg gamepads. + */ + +static struct tgfx __init *tgfx_probe(int parport, int *n_buttons, int n_devs) +{ + struct tgfx *tgfx; + struct input_dev *input_dev; + struct parport *pp; + struct pardevice *pd; + int i, j; + int err; + + pp = parport_find_number(parport); + if (!pp) { + printk(KERN_ERR "turbografx.c: no such parport\n"); + err = -EINVAL; + goto err_out; + } + + pd = parport_register_device(pp, "turbografx", NULL, NULL, NULL, PARPORT_DEV_EXCL, NULL); + if (!pd) { + printk(KERN_ERR "turbografx.c: parport busy already - lp.o loaded?\n"); + err = -EBUSY; + goto err_put_pp; + } + + tgfx = kzalloc(sizeof(struct tgfx), GFP_KERNEL); + if (!tgfx) { + printk(KERN_ERR "turbografx.c: Not enough memory\n"); + err = -ENOMEM; + goto err_unreg_pardev; + } + + mutex_init(&tgfx->sem); + tgfx->pd = pd; + init_timer(&tgfx->timer); + tgfx->timer.data = (long) tgfx; + tgfx->timer.function = tgfx_timer; + + for (i = 0; i < n_devs; i++) { + if (n_buttons[i] < 1) + continue; + + if (n_buttons[i] > 6) { + printk(KERN_ERR "turbografx.c: Invalid number of buttons %d\n", n_buttons[i]); + err = -EINVAL; + goto err_unreg_devs; + } + + tgfx->dev[i] = input_dev = input_allocate_device(); + if (!input_dev) { + printk(KERN_ERR "turbografx.c: Not enough memory for input device\n"); + err = -ENOMEM; + goto err_unreg_devs; + } + + tgfx->sticks |= (1 << i); + snprintf(tgfx->name[i], sizeof(tgfx->name[i]), + "TurboGraFX %d-button Multisystem joystick", n_buttons[i]); + snprintf(tgfx->phys[i], sizeof(tgfx->phys[i]), + "%s/input%d", tgfx->pd->port->name, i); + + input_dev->name = tgfx->name[i]; + input_dev->phys = tgfx->phys[i]; + input_dev->id.bustype = BUS_PARPORT; + input_dev->id.vendor = 0x0003; + input_dev->id.product = n_buttons[i]; + input_dev->id.version = 0x0100; + + input_set_drvdata(input_dev, tgfx); + + input_dev->open = tgfx_open; + input_dev->close = tgfx_close; + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + input_set_abs_params(input_dev, ABS_X, -1, 1, 0, 0); + input_set_abs_params(input_dev, ABS_Y, -1, 1, 0, 0); + + for (j = 0; j < n_buttons[i]; j++) + set_bit(tgfx_buttons[j], input_dev->keybit); + + err = input_register_device(tgfx->dev[i]); + if (err) + goto err_free_dev; + } + + if (!tgfx->sticks) { + printk(KERN_ERR "turbografx.c: No valid devices specified\n"); + err = -EINVAL; + goto err_free_tgfx; + } + + return tgfx; + + err_free_dev: + input_free_device(tgfx->dev[i]); + err_unreg_devs: + while (--i >= 0) + if (tgfx->dev[i]) + input_unregister_device(tgfx->dev[i]); + err_free_tgfx: + kfree(tgfx); + err_unreg_pardev: + parport_unregister_device(pd); + err_put_pp: + parport_put_port(pp); + err_out: + return ERR_PTR(err); +} + +static void tgfx_remove(struct tgfx *tgfx) +{ + int i; + + for (i = 0; i < TGFX_MAX_DEVICES; i++) + if (tgfx->dev[i]) + input_unregister_device(tgfx->dev[i]); + parport_unregister_device(tgfx->pd); + kfree(tgfx); +} + +static int __init tgfx_init(void) +{ + int i; + int have_dev = 0; + int err = 0; + + for (i = 0; i < TGFX_MAX_PORTS; i++) { + if (tgfx_cfg[i].nargs == 0 || tgfx_cfg[i].args[0] < 0) + continue; + + if (tgfx_cfg[i].nargs < 2) { + printk(KERN_ERR "turbografx.c: at least one joystick must be specified\n"); + err = -EINVAL; + break; + } + + tgfx_base[i] = tgfx_probe(tgfx_cfg[i].args[0], + tgfx_cfg[i].args + 1, + tgfx_cfg[i].nargs - 1); + if (IS_ERR(tgfx_base[i])) { + err = PTR_ERR(tgfx_base[i]); + break; + } + + have_dev = 1; + } + + if (err) { + while (--i >= 0) + if (tgfx_base[i]) + tgfx_remove(tgfx_base[i]); + return err; + } + + return have_dev ? 0 : -ENODEV; +} + +static void __exit tgfx_exit(void) +{ + int i; + + for (i = 0; i < TGFX_MAX_PORTS; i++) + if (tgfx_base[i]) + tgfx_remove(tgfx_base[i]); +} + +module_init(tgfx_init); +module_exit(tgfx_exit); diff --git a/drivers/input/joystick/twidjoy.c b/drivers/input/joystick/twidjoy.c new file mode 100644 index 0000000..3f4ec73 --- /dev/null +++ b/drivers/input/joystick/twidjoy.c @@ -0,0 +1,275 @@ +/* + * Copyright (c) 2001 Arndt Schoenewald + * Copyright (c) 2000-2001 Vojtech Pavlik + * Copyright (c) 2000 Mark Fletcher + * + * Sponsored by Quelltext AG (http://www.quelltext-ag.de), Dortmund, Germany + */ + +/* + * Driver to use Handykey's Twiddler (the first edition, i.e. the one with + * the RS232 interface) as a joystick under Linux + * + * The Twiddler is a one-handed chording keyboard featuring twelve buttons on + * the front, six buttons on the top, and a built-in tilt sensor. The buttons + * on the front, which are grouped as four rows of three buttons, are pressed + * by the four fingers (this implies only one button per row can be held down + * at the same time) and the buttons on the top are for the thumb. The tilt + * sensor delivers X and Y axis data depending on how the Twiddler is held. + * Additional information can be found at http://www.handykey.com. + * + * This driver does not use the Twiddler for its intended purpose, i.e. as + * a chording keyboard, but as a joystick: pressing and releasing a button + * immediately sends a corresponding button event, and tilting it generates + * corresponding ABS_X and ABS_Y events. This turns the Twiddler into a game + * controller with amazing 18 buttons :-) + * + * Note: The Twiddler2 (the successor of the Twiddler that connects directly + * to the PS/2 keyboard and mouse ports) is NOT supported by this driver! + * + * For questions or feedback regarding this driver module please contact: + * Arndt Schoenewald <arndt@quelltext.com> + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/input.h> +#include <linux/serio.h> +#include <linux/init.h> + +#define DRIVER_DESC "Handykey Twiddler keyboard as a joystick driver" + +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +/* + * Constants. + */ + +#define TWIDJOY_MAX_LENGTH 5 + +static struct twidjoy_button_spec { + int bitshift; + int bitmask; + int buttons[3]; +} +twidjoy_buttons[] = { + { 0, 3, { BTN_A, BTN_B, BTN_C } }, + { 2, 3, { BTN_X, BTN_Y, BTN_Z } }, + { 4, 3, { BTN_TL, BTN_TR, BTN_TR2 } }, + { 6, 3, { BTN_SELECT, BTN_START, BTN_MODE } }, + { 8, 1, { BTN_BASE5 } }, + { 9, 1, { BTN_BASE } }, + { 10, 1, { BTN_BASE3 } }, + { 11, 1, { BTN_BASE4 } }, + { 12, 1, { BTN_BASE2 } }, + { 13, 1, { BTN_BASE6 } }, + { 0, 0, { 0 } } +}; + +/* + * Per-Twiddler data. + */ + +struct twidjoy { + struct input_dev *dev; + int idx; + unsigned char data[TWIDJOY_MAX_LENGTH]; + char phys[32]; +}; + +/* + * twidjoy_process_packet() decodes packets the driver receives from the + * Twiddler. It updates the data accordingly. + */ + +static void twidjoy_process_packet(struct twidjoy *twidjoy) +{ + struct input_dev *dev = twidjoy->dev; + unsigned char *data = twidjoy->data; + struct twidjoy_button_spec *bp; + int button_bits, abs_x, abs_y; + + button_bits = ((data[1] & 0x7f) << 7) | (data[0] & 0x7f); + + for (bp = twidjoy_buttons; bp->bitmask; bp++) { + int value = (button_bits & (bp->bitmask << bp->bitshift)) >> bp->bitshift; + int i; + + for (i = 0; i < bp->bitmask; i++) + input_report_key(dev, bp->buttons[i], i+1 == value); + } + + abs_x = ((data[4] & 0x07) << 5) | ((data[3] & 0x7C) >> 2); + if (data[4] & 0x08) abs_x -= 256; + + abs_y = ((data[3] & 0x01) << 7) | ((data[2] & 0x7F) >> 0); + if (data[3] & 0x02) abs_y -= 256; + + input_report_abs(dev, ABS_X, -abs_x); + input_report_abs(dev, ABS_Y, +abs_y); + + input_sync(dev); +} + +/* + * twidjoy_interrupt() is called by the low level driver when characters + * are ready for us. We then buffer them for further processing, or call the + * packet processing routine. + */ + +static irqreturn_t twidjoy_interrupt(struct serio *serio, unsigned char data, unsigned int flags) +{ + struct twidjoy *twidjoy = serio_get_drvdata(serio); + + /* All Twiddler packets are 5 bytes. The fact that the first byte + * has a MSB of 0 and all other bytes have a MSB of 1 can be used + * to check and regain sync. */ + + if ((data & 0x80) == 0) + twidjoy->idx = 0; /* this byte starts a new packet */ + else if (twidjoy->idx == 0) + return IRQ_HANDLED; /* wrong MSB -- ignore this byte */ + + if (twidjoy->idx < TWIDJOY_MAX_LENGTH) + twidjoy->data[twidjoy->idx++] = data; + + if (twidjoy->idx == TWIDJOY_MAX_LENGTH) { + twidjoy_process_packet(twidjoy); + twidjoy->idx = 0; + } + + return IRQ_HANDLED; +} + +/* + * twidjoy_disconnect() is the opposite of twidjoy_connect() + */ + +static void twidjoy_disconnect(struct serio *serio) +{ + struct twidjoy *twidjoy = serio_get_drvdata(serio); + + serio_close(serio); + serio_set_drvdata(serio, NULL); + input_unregister_device(twidjoy->dev); + kfree(twidjoy); +} + +/* + * twidjoy_connect() is the routine that is called when someone adds a + * new serio device. It looks for the Twiddler, and if found, registers + * it as an input device. + */ + +static int twidjoy_connect(struct serio *serio, struct serio_driver *drv) +{ + struct twidjoy_button_spec *bp; + struct twidjoy *twidjoy; + struct input_dev *input_dev; + int err = -ENOMEM; + int i; + + twidjoy = kzalloc(sizeof(struct twidjoy), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!twidjoy || !input_dev) + goto fail1; + + twidjoy->dev = input_dev; + snprintf(twidjoy->phys, sizeof(twidjoy->phys), "%s/input0", serio->phys); + + input_dev->name = "Handykey Twiddler"; + input_dev->phys = twidjoy->phys; + input_dev->id.bustype = BUS_RS232; + input_dev->id.vendor = SERIO_TWIDJOY; + input_dev->id.product = 0x0001; + input_dev->id.version = 0x0100; + input_dev->dev.parent = &serio->dev; + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + input_set_abs_params(input_dev, ABS_X, -50, 50, 4, 4); + input_set_abs_params(input_dev, ABS_Y, -50, 50, 4, 4); + + for (bp = twidjoy_buttons; bp->bitmask; bp++) + for (i = 0; i < bp->bitmask; i++) + set_bit(bp->buttons[i], input_dev->keybit); + + serio_set_drvdata(serio, twidjoy); + + err = serio_open(serio, drv); + if (err) + goto fail2; + + err = input_register_device(twidjoy->dev); + if (err) + goto fail3; + + return 0; + + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(input_dev); + kfree(twidjoy); + return err; +} + +/* + * The serio driver structure. + */ + +static struct serio_device_id twidjoy_serio_ids[] = { + { + .type = SERIO_RS232, + .proto = SERIO_TWIDJOY, + .id = SERIO_ANY, + .extra = SERIO_ANY, + }, + { 0 } +}; + +MODULE_DEVICE_TABLE(serio, twidjoy_serio_ids); + +static struct serio_driver twidjoy_drv = { + .driver = { + .name = "twidjoy", + }, + .description = DRIVER_DESC, + .id_table = twidjoy_serio_ids, + .interrupt = twidjoy_interrupt, + .connect = twidjoy_connect, + .disconnect = twidjoy_disconnect, +}; + +/* + * The functions for inserting/removing us as a module. + */ + +static int __init twidjoy_init(void) +{ + return serio_register_driver(&twidjoy_drv); +} + +static void __exit twidjoy_exit(void) +{ + serio_unregister_driver(&twidjoy_drv); +} + +module_init(twidjoy_init); +module_exit(twidjoy_exit); diff --git a/drivers/input/joystick/warrior.c b/drivers/input/joystick/warrior.c new file mode 100644 index 0000000..f72c83e --- /dev/null +++ b/drivers/input/joystick/warrior.c @@ -0,0 +1,235 @@ +/* + * Copyright (c) 1999-2001 Vojtech Pavlik + */ + +/* + * Logitech WingMan Warrior joystick driver for Linux + */ + +/* + * This program is free warftware; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Should you need to contact me, the author, you can do so either by + * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: + * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/input.h> +#include <linux/serio.h> +#include <linux/init.h> + +#define DRIVER_DESC "Logitech WingMan Warrior joystick driver" + +MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +/* + * Constants. + */ + +#define WARRIOR_MAX_LENGTH 16 +static char warrior_lengths[] = { 0, 4, 12, 3, 4, 4, 0, 0 }; + +/* + * Per-Warrior data. + */ + +struct warrior { + struct input_dev *dev; + int idx, len; + unsigned char data[WARRIOR_MAX_LENGTH]; + char phys[32]; +}; + +/* + * warrior_process_packet() decodes packets the driver receives from the + * Warrior. It updates the data accordingly. + */ + +static void warrior_process_packet(struct warrior *warrior) +{ + struct input_dev *dev = warrior->dev; + unsigned char *data = warrior->data; + + if (!warrior->idx) return; + + switch ((data[0] >> 4) & 7) { + case 1: /* Button data */ + input_report_key(dev, BTN_TRIGGER, data[3] & 1); + input_report_key(dev, BTN_THUMB, (data[3] >> 1) & 1); + input_report_key(dev, BTN_TOP, (data[3] >> 2) & 1); + input_report_key(dev, BTN_TOP2, (data[3] >> 3) & 1); + break; + case 3: /* XY-axis info->data */ + input_report_abs(dev, ABS_X, ((data[0] & 8) << 5) - (data[2] | ((data[0] & 4) << 5))); + input_report_abs(dev, ABS_Y, (data[1] | ((data[0] & 1) << 7)) - ((data[0] & 2) << 7)); + break; + case 5: /* Throttle, spinner, hat info->data */ + input_report_abs(dev, ABS_THROTTLE, (data[1] | ((data[0] & 1) << 7)) - ((data[0] & 2) << 7)); + input_report_abs(dev, ABS_HAT0X, (data[3] & 2 ? 1 : 0) - (data[3] & 1 ? 1 : 0)); + input_report_abs(dev, ABS_HAT0Y, (data[3] & 8 ? 1 : 0) - (data[3] & 4 ? 1 : 0)); + input_report_rel(dev, REL_DIAL, (data[2] | ((data[0] & 4) << 5)) - ((data[0] & 8) << 5)); + break; + } + input_sync(dev); +} + +/* + * warrior_interrupt() is called by the low level driver when characters + * are ready for us. We then buffer them for further processing, or call the + * packet processing routine. + */ + +static irqreturn_t warrior_interrupt(struct serio *serio, + unsigned char data, unsigned int flags) +{ + struct warrior *warrior = serio_get_drvdata(serio); + + if (data & 0x80) { + if (warrior->idx) warrior_process_packet(warrior); + warrior->idx = 0; + warrior->len = warrior_lengths[(data >> 4) & 7]; + } + + if (warrior->idx < warrior->len) + warrior->data[warrior->idx++] = data; + + if (warrior->idx == warrior->len) { + if (warrior->idx) warrior_process_packet(warrior); + warrior->idx = 0; + warrior->len = 0; + } + return IRQ_HANDLED; +} + +/* + * warrior_disconnect() is the opposite of warrior_connect() + */ + +static void warrior_disconnect(struct serio *serio) +{ + struct warrior *warrior = serio_get_drvdata(serio); + + serio_close(serio); + serio_set_drvdata(serio, NULL); + input_unregister_device(warrior->dev); + kfree(warrior); +} + +/* + * warrior_connect() is the routine that is called when someone adds a + * new serio device. It looks for the Warrior, and if found, registers + * it as an input device. + */ + +static int warrior_connect(struct serio *serio, struct serio_driver *drv) +{ + struct warrior *warrior; + struct input_dev *input_dev; + int err = -ENOMEM; + + warrior = kzalloc(sizeof(struct warrior), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!warrior || !input_dev) + goto fail1; + + warrior->dev = input_dev; + snprintf(warrior->phys, sizeof(warrior->phys), "%s/input0", serio->phys); + + input_dev->name = "Logitech WingMan Warrior"; + input_dev->phys = warrior->phys; + input_dev->id.bustype = BUS_RS232; + input_dev->id.vendor = SERIO_WARRIOR; + input_dev->id.product = 0x0001; + input_dev->id.version = 0x0100; + input_dev->dev.parent = &serio->dev; + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL) | + BIT_MASK(EV_ABS); + input_dev->keybit[BIT_WORD(BTN_TRIGGER)] = BIT_MASK(BTN_TRIGGER) | + BIT_MASK(BTN_THUMB) | BIT_MASK(BTN_TOP) | BIT_MASK(BTN_TOP2); + input_dev->relbit[0] = BIT_MASK(REL_DIAL); + input_set_abs_params(input_dev, ABS_X, -64, 64, 0, 8); + input_set_abs_params(input_dev, ABS_Y, -64, 64, 0, 8); + input_set_abs_params(input_dev, ABS_THROTTLE, -112, 112, 0, 0); + input_set_abs_params(input_dev, ABS_HAT0X, -1, 1, 0, 0); + input_set_abs_params(input_dev, ABS_HAT0Y, -1, 1, 0, 0); + + serio_set_drvdata(serio, warrior); + + err = serio_open(serio, drv); + if (err) + goto fail2; + + err = input_register_device(warrior->dev); + if (err) + goto fail3; + + return 0; + + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(input_dev); + kfree(warrior); + return err; +} + +/* + * The serio driver structure. + */ + +static struct serio_device_id warrior_serio_ids[] = { + { + .type = SERIO_RS232, + .proto = SERIO_WARRIOR, + .id = SERIO_ANY, + .extra = SERIO_ANY, + }, + { 0 } +}; + +MODULE_DEVICE_TABLE(serio, warrior_serio_ids); + +static struct serio_driver warrior_drv = { + .driver = { + .name = "warrior", + }, + .description = DRIVER_DESC, + .id_table = warrior_serio_ids, + .interrupt = warrior_interrupt, + .connect = warrior_connect, + .disconnect = warrior_disconnect, +}; + +/* + * The functions for inserting/removing us as a module. + */ + +static int __init warrior_init(void) +{ + return serio_register_driver(&warrior_drv); +} + +static void __exit warrior_exit(void) +{ + serio_unregister_driver(&warrior_drv); +} + +module_init(warrior_init); +module_exit(warrior_exit); diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c new file mode 100644 index 0000000..b868b8d --- /dev/null +++ b/drivers/input/joystick/xpad.c @@ -0,0 +1,928 @@ +/* + * X-Box gamepad driver + * + * Copyright (c) 2002 Marko Friedemann <mfr@bmx-chemnitz.de> + * 2004 Oliver Schwartz <Oliver.Schwartz@gmx.de>, + * Steven Toth <steve@toth.demon.co.uk>, + * Franz Lehner <franz@caos.at>, + * Ivan Hawkes <blackhawk@ivanhawkes.com> + * 2005 Dominic Cerquetti <binary1230@yahoo.com> + * 2006 Adam Buchbinder <adam.buchbinder@gmail.com> + * 2007 Jan Kratochvil <honza@jikos.cz> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * + * This driver is based on: + * - information from http://euc.jp/periphs/xbox-controller.ja.html + * - the iForce driver drivers/char/joystick/iforce.c + * - the skeleton-driver drivers/usb/usb-skeleton.c + * - Xbox 360 information http://www.free60.org/wiki/Gamepad + * + * Thanks to: + * - ITO Takayuki for providing essential xpad information on his website + * - Vojtech Pavlik - iforce driver / input subsystem + * - Greg Kroah-Hartman - usb-skeleton driver + * - XBOX Linux project - extra USB id's + * + * TODO: + * - fine tune axes (especially trigger axes) + * - fix "analog" buttons (reported as digital now) + * - get rumble working + * - need USB IDs for other dance pads + * + * History: + * + * 2002-06-27 - 0.0.1 : first version, just said "XBOX HID controller" + * + * 2002-07-02 - 0.0.2 : basic working version + * - all axes and 9 of the 10 buttons work (german InterAct device) + * - the black button does not work + * + * 2002-07-14 - 0.0.3 : rework by Vojtech Pavlik + * - indentation fixes + * - usb + input init sequence fixes + * + * 2002-07-16 - 0.0.4 : minor changes, merge with Vojtech's v0.0.3 + * - verified the lack of HID and report descriptors + * - verified that ALL buttons WORK + * - fixed d-pad to axes mapping + * + * 2002-07-17 - 0.0.5 : simplified d-pad handling + * + * 2004-10-02 - 0.0.6 : DDR pad support + * - borrowed from the XBOX linux kernel + * - USB id's for commonly used dance pads are present + * - dance pads will map D-PAD to buttons, not axes + * - pass the module paramater 'dpad_to_buttons' to force + * the D-PAD to map to buttons if your pad is not detected + * + * Later changes can be tracked in SCM. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/stat.h> +#include <linux/module.h> +#include <linux/usb/input.h> + +#define DRIVER_AUTHOR "Marko Friedemann <mfr@bmx-chemnitz.de>" +#define DRIVER_DESC "X-Box pad driver" + +#define XPAD_PKT_LEN 32 + +/* xbox d-pads should map to buttons, as is required for DDR pads + but we map them to axes when possible to simplify things */ +#define MAP_DPAD_TO_BUTTONS 0 +#define MAP_DPAD_TO_AXES 1 +#define MAP_DPAD_UNKNOWN 2 + +#define XTYPE_XBOX 0 +#define XTYPE_XBOX360 1 +#define XTYPE_XBOX360W 2 +#define XTYPE_UNKNOWN 3 + +static int dpad_to_buttons; +module_param(dpad_to_buttons, bool, S_IRUGO); +MODULE_PARM_DESC(dpad_to_buttons, "Map D-PAD to buttons rather than axes for unknown pads"); + +static const struct xpad_device { + u16 idVendor; + u16 idProduct; + char *name; + u8 dpad_mapping; + u8 xtype; +} xpad_device[] = { + { 0x045e, 0x0202, "Microsoft X-Box pad v1 (US)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x045e, 0x0289, "Microsoft X-Box pad v2 (US)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x045e, 0x0285, "Microsoft X-Box pad (Japan)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x045e, 0x0287, "Microsoft Xbox Controller S", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x045e, 0x0719, "Xbox 360 Wireless Receiver", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W }, + { 0x0c12, 0x8809, "RedOctane Xbox Dance Pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, + { 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x046d, 0xc242, "Logitech Chillstream Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, + { 0x046d, 0xca84, "Logitech Xbox Cordless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x046d, 0xca88, "Logitech Compact Controller for Xbox", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x05fd, 0x1007, "Mad Catz Controller (unverified)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x05fd, 0x107a, "InterAct 'PowerPad Pro' X-Box pad (Germany)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x0738, 0x4516, "Mad Catz Control Pad", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x0738, 0x4522, "Mad Catz LumiCON", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x0738, 0x4526, "Mad Catz Control Pad Pro", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x0738, 0x4536, "Mad Catz MicroCON", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x0738, 0x4540, "Mad Catz Beat Pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, + { 0x0738, 0x4556, "Mad Catz Lynx Wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x0738, 0x4716, "Mad Catz Wired Xbox 360 Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, + { 0x0738, 0x6040, "Mad Catz Beat Pad Pro", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, + { 0x0c12, 0x8802, "Zeroplus Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x0c12, 0x880a, "Pelican Eclipse PL-2023", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x0c12, 0x8810, "Zeroplus Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x0c12, 0x9902, "HAMA VibraX - *FAULTY HARDWARE*", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x0e4c, 0x1097, "Radica Gamester Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x0e4c, 0x2390, "Radica Games Jtech Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x0e6f, 0x0003, "Logic3 Freebird wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x0e6f, 0x0005, "Eclipse wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x0e6f, 0x0006, "Edge wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x0e6f, 0x0006, "Pelican 'TSZ' Wired Xbox 360 Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, + { 0x0e8f, 0x0201, "SmartJoy Frag Xpad/PS2 adaptor", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x0f30, 0x0202, "Joytech Advanced Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x0f30, 0x8888, "BigBen XBMiniPad Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x102c, 0xff0c, "Joytech Wireless Advanced Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x12ab, 0x8809, "Xbox DDR dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, + { 0x1430, 0x4748, "RedOctane Guitar Hero X-plorer", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, + { 0x1430, 0x8888, "TX6500+ Dance Pad (first generation)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, + { 0x045e, 0x028e, "Microsoft X-Box 360 pad", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, + { 0xffff, 0xffff, "Chinese-made Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, + { 0x0000, 0x0000, "Generic X-Box pad", MAP_DPAD_UNKNOWN, XTYPE_UNKNOWN } +}; + +/* buttons shared with xbox and xbox360 */ +static const signed short xpad_common_btn[] = { + BTN_A, BTN_B, BTN_X, BTN_Y, /* "analog" buttons */ + BTN_START, BTN_BACK, BTN_THUMBL, BTN_THUMBR, /* start/back/sticks */ + -1 /* terminating entry */ +}; + +/* original xbox controllers only */ +static const signed short xpad_btn[] = { + BTN_C, BTN_Z, /* "analog" buttons */ + -1 /* terminating entry */ +}; + +/* only used if MAP_DPAD_TO_BUTTONS */ +static const signed short xpad_btn_pad[] = { + BTN_LEFT, BTN_RIGHT, /* d-pad left, right */ + BTN_0, BTN_1, /* d-pad up, down (XXX names??) */ + -1 /* terminating entry */ +}; + +static const signed short xpad360_btn[] = { /* buttons for x360 controller */ + BTN_TL, BTN_TR, /* Button LB/RB */ + BTN_MODE, /* The big X button */ + -1 +}; + +static const signed short xpad_abs[] = { + ABS_X, ABS_Y, /* left stick */ + ABS_RX, ABS_RY, /* right stick */ + ABS_Z, ABS_RZ, /* triggers left/right */ + -1 /* terminating entry */ +}; + +/* only used if MAP_DPAD_TO_AXES */ +static const signed short xpad_abs_pad[] = { + ABS_HAT0X, ABS_HAT0Y, /* d-pad axes */ + -1 /* terminating entry */ +}; + +/* Xbox 360 has a vendor-specific class, so we cannot match it with only + * USB_INTERFACE_INFO (also specifically refused by USB subsystem), so we + * match against vendor id as well. Wired Xbox 360 devices have protocol 1, + * wireless controllers have protocol 129. */ +#define XPAD_XBOX360_VENDOR_PROTOCOL(vend,pr) \ + .match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO, \ + .idVendor = (vend), \ + .bInterfaceClass = USB_CLASS_VENDOR_SPEC, \ + .bInterfaceSubClass = 93, \ + .bInterfaceProtocol = (pr) +#define XPAD_XBOX360_VENDOR(vend) \ + { XPAD_XBOX360_VENDOR_PROTOCOL(vend,1) }, \ + { XPAD_XBOX360_VENDOR_PROTOCOL(vend,129) } + +static struct usb_device_id xpad_table [] = { + { USB_INTERFACE_INFO('X', 'B', 0) }, /* X-Box USB-IF not approved class */ + XPAD_XBOX360_VENDOR(0x045e), /* Microsoft X-Box 360 controllers */ + XPAD_XBOX360_VENDOR(0x046d), /* Logitech X-Box 360 style controllers */ + XPAD_XBOX360_VENDOR(0x0738), /* Mad Catz X-Box 360 controllers */ + XPAD_XBOX360_VENDOR(0x0e6f), /* 0x0e6f X-Box 360 controllers */ + XPAD_XBOX360_VENDOR(0x1430), /* RedOctane X-Box 360 controllers */ + { } +}; + +MODULE_DEVICE_TABLE (usb, xpad_table); + +struct usb_xpad { + struct input_dev *dev; /* input device interface */ + struct usb_device *udev; /* usb device */ + + int pad_present; + + struct urb *irq_in; /* urb for interrupt in report */ + unsigned char *idata; /* input data */ + dma_addr_t idata_dma; + + struct urb *bulk_out; + unsigned char *bdata; + +#if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS) + struct urb *irq_out; /* urb for interrupt out report */ + unsigned char *odata; /* output data */ + dma_addr_t odata_dma; + struct mutex odata_mutex; +#endif + +#if defined(CONFIG_JOYSTICK_XPAD_LEDS) + struct xpad_led *led; +#endif + + char phys[64]; /* physical device path */ + + int dpad_mapping; /* map d-pad to buttons or to axes */ + int xtype; /* type of xbox device */ +}; + +/* + * xpad_process_packet + * + * Completes a request by converting the data into events for the + * input subsystem. + * + * The used report descriptor was taken from ITO Takayukis website: + * http://euc.jp/periphs/xbox-controller.ja.html + */ + +static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) +{ + struct input_dev *dev = xpad->dev; + + /* left stick */ + input_report_abs(dev, ABS_X, + (__s16) le16_to_cpup((__le16 *)(data + 12))); + input_report_abs(dev, ABS_Y, + ~(__s16) le16_to_cpup((__le16 *)(data + 14))); + + /* right stick */ + input_report_abs(dev, ABS_RX, + (__s16) le16_to_cpup((__le16 *)(data + 16))); + input_report_abs(dev, ABS_RY, + ~(__s16) le16_to_cpup((__le16 *)(data + 18))); + + /* triggers left/right */ + input_report_abs(dev, ABS_Z, data[10]); + input_report_abs(dev, ABS_RZ, data[11]); + + /* digital pad */ + if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) { + input_report_abs(dev, ABS_HAT0X, + !!(data[2] & 0x08) - !!(data[2] & 0x04)); + input_report_abs(dev, ABS_HAT0Y, + !!(data[2] & 0x02) - !!(data[2] & 0x01)); + } else /* xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS */ { + input_report_key(dev, BTN_LEFT, data[2] & 0x04); + input_report_key(dev, BTN_RIGHT, data[2] & 0x08); + input_report_key(dev, BTN_0, data[2] & 0x01); /* up */ + input_report_key(dev, BTN_1, data[2] & 0x02); /* down */ + } + + /* start/back buttons and stick press left/right */ + input_report_key(dev, BTN_START, data[2] & 0x10); + input_report_key(dev, BTN_BACK, data[2] & 0x20); + input_report_key(dev, BTN_THUMBL, data[2] & 0x40); + input_report_key(dev, BTN_THUMBR, data[2] & 0x80); + + /* "analog" buttons A, B, X, Y */ + input_report_key(dev, BTN_A, data[4]); + input_report_key(dev, BTN_B, data[5]); + input_report_key(dev, BTN_X, data[6]); + input_report_key(dev, BTN_Y, data[7]); + + /* "analog" buttons black, white */ + input_report_key(dev, BTN_C, data[8]); + input_report_key(dev, BTN_Z, data[9]); + + input_sync(dev); +} + +/* + * xpad360_process_packet + * + * Completes a request by converting the data into events for the + * input subsystem. It is version for xbox 360 controller + * + * The used report descriptor was taken from: + * http://www.free60.org/wiki/Gamepad + */ + +static void xpad360_process_packet(struct usb_xpad *xpad, + u16 cmd, unsigned char *data) +{ + struct input_dev *dev = xpad->dev; + + /* digital pad */ + if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) { + input_report_abs(dev, ABS_HAT0X, + !!(data[2] & 0x08) - !!(data[2] & 0x04)); + input_report_abs(dev, ABS_HAT0Y, + !!(data[2] & 0x02) - !!(data[2] & 0x01)); + } else if (xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS) { + /* dpad as buttons (right, left, down, up) */ + input_report_key(dev, BTN_LEFT, data[2] & 0x04); + input_report_key(dev, BTN_RIGHT, data[2] & 0x08); + input_report_key(dev, BTN_0, data[2] & 0x01); /* up */ + input_report_key(dev, BTN_1, data[2] & 0x02); /* down */ + } + + /* start/back buttons */ + input_report_key(dev, BTN_START, data[2] & 0x10); + input_report_key(dev, BTN_BACK, data[2] & 0x20); + + /* stick press left/right */ + input_report_key(dev, BTN_THUMBL, data[2] & 0x40); + input_report_key(dev, BTN_THUMBR, data[2] & 0x80); + + /* buttons A,B,X,Y,TL,TR and MODE */ + input_report_key(dev, BTN_A, data[3] & 0x10); + input_report_key(dev, BTN_B, data[3] & 0x20); + input_report_key(dev, BTN_X, data[3] & 0x40); + input_report_key(dev, BTN_Y, data[3] & 0x80); + input_report_key(dev, BTN_TL, data[3] & 0x01); + input_report_key(dev, BTN_TR, data[3] & 0x02); + input_report_key(dev, BTN_MODE, data[3] & 0x04); + + /* left stick */ + input_report_abs(dev, ABS_X, + (__s16) le16_to_cpup((__le16 *)(data + 6))); + input_report_abs(dev, ABS_Y, + ~(__s16) le16_to_cpup((__le16 *)(data + 8))); + + /* right stick */ + input_report_abs(dev, ABS_RX, + (__s16) le16_to_cpup((__le16 *)(data + 10))); + input_report_abs(dev, ABS_RY, + ~(__s16) le16_to_cpup((__le16 *)(data + 12))); + + /* triggers left/right */ + input_report_abs(dev, ABS_Z, data[4]); + input_report_abs(dev, ABS_RZ, data[5]); + + input_sync(dev); +} + +/* + * xpad360w_process_packet + * + * Completes a request by converting the data into events for the + * input subsystem. It is version for xbox 360 wireless controller. + * + * Byte.Bit + * 00.1 - Status change: The controller or headset has connected/disconnected + * Bits 01.7 and 01.6 are valid + * 01.7 - Controller present + * 01.6 - Headset present + * 01.1 - Pad state (Bytes 4+) valid + * + */ + +static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) +{ + /* Presence change */ + if (data[0] & 0x08) { + if (data[1] & 0x80) { + xpad->pad_present = 1; + usb_submit_urb(xpad->bulk_out, GFP_ATOMIC); + } else + xpad->pad_present = 0; + } + + /* Valid pad data */ + if (!(data[1] & 0x1)) + return; + + xpad360_process_packet(xpad, cmd, &data[4]); +} + +static void xpad_irq_in(struct urb *urb) +{ + struct usb_xpad *xpad = urb->context; + int retval, status; + + status = urb->status; + + switch (status) { + case 0: + /* success */ + break; + case -ECONNRESET: + case -ENOENT: + case -ESHUTDOWN: + /* this urb is terminated, clean up */ + dbg("%s - urb shutting down with status: %d", + __func__, status); + return; + default: + dbg("%s - nonzero urb status received: %d", + __func__, status); + goto exit; + } + + switch (xpad->xtype) { + case XTYPE_XBOX360: + xpad360_process_packet(xpad, 0, xpad->idata); + break; + case XTYPE_XBOX360W: + xpad360w_process_packet(xpad, 0, xpad->idata); + break; + default: + xpad_process_packet(xpad, 0, xpad->idata); + } + +exit: + retval = usb_submit_urb (urb, GFP_ATOMIC); + if (retval) + err ("%s - usb_submit_urb failed with result %d", + __func__, retval); +} + +static void xpad_bulk_out(struct urb *urb) +{ + switch (urb->status) { + case 0: + /* success */ + break; + case -ECONNRESET: + case -ENOENT: + case -ESHUTDOWN: + /* this urb is terminated, clean up */ + dbg("%s - urb shutting down with status: %d", __func__, urb->status); + break; + default: + dbg("%s - nonzero urb status received: %d", __func__, urb->status); + } +} + +#if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS) +static void xpad_irq_out(struct urb *urb) +{ + int retval, status; + + status = urb->status; + + switch (status) { + case 0: + /* success */ + break; + case -ECONNRESET: + case -ENOENT: + case -ESHUTDOWN: + /* this urb is terminated, clean up */ + dbg("%s - urb shutting down with status: %d", + __func__, status); + return; + default: + dbg("%s - nonzero urb status received: %d", + __func__, status); + goto exit; + } + +exit: + retval = usb_submit_urb(urb, GFP_ATOMIC); + if (retval) + err("%s - usb_submit_urb failed with result %d", + __func__, retval); +} + +static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) +{ + struct usb_endpoint_descriptor *ep_irq_out; + int error = -ENOMEM; + + if (xpad->xtype != XTYPE_XBOX360) + return 0; + + xpad->odata = usb_buffer_alloc(xpad->udev, XPAD_PKT_LEN, + GFP_KERNEL, &xpad->odata_dma); + if (!xpad->odata) + goto fail1; + + mutex_init(&xpad->odata_mutex); + + xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL); + if (!xpad->irq_out) + goto fail2; + + ep_irq_out = &intf->cur_altsetting->endpoint[1].desc; + usb_fill_int_urb(xpad->irq_out, xpad->udev, + usb_sndintpipe(xpad->udev, ep_irq_out->bEndpointAddress), + xpad->odata, XPAD_PKT_LEN, + xpad_irq_out, xpad, ep_irq_out->bInterval); + xpad->irq_out->transfer_dma = xpad->odata_dma; + xpad->irq_out->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + + return 0; + + fail2: usb_buffer_free(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma); + fail1: return error; +} + +static void xpad_stop_output(struct usb_xpad *xpad) +{ + if (xpad->xtype == XTYPE_XBOX360) + usb_kill_urb(xpad->irq_out); +} + +static void xpad_deinit_output(struct usb_xpad *xpad) +{ + if (xpad->xtype == XTYPE_XBOX360) { + usb_free_urb(xpad->irq_out); + usb_buffer_free(xpad->udev, XPAD_PKT_LEN, + xpad->odata, xpad->odata_dma); + } +} +#else +static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) { return 0; } +static void xpad_deinit_output(struct usb_xpad *xpad) {} +static void xpad_stop_output(struct usb_xpad *xpad) {} +#endif + +#ifdef CONFIG_JOYSTICK_XPAD_FF +static int xpad_play_effect(struct input_dev *dev, void *data, + struct ff_effect *effect) +{ + struct usb_xpad *xpad = input_get_drvdata(dev); + + if (effect->type == FF_RUMBLE) { + __u16 strong = effect->u.rumble.strong_magnitude; + __u16 weak = effect->u.rumble.weak_magnitude; + xpad->odata[0] = 0x00; + xpad->odata[1] = 0x08; + xpad->odata[2] = 0x00; + xpad->odata[3] = strong / 256; + xpad->odata[4] = weak / 256; + xpad->odata[5] = 0x00; + xpad->odata[6] = 0x00; + xpad->odata[7] = 0x00; + xpad->irq_out->transfer_buffer_length = 8; + usb_submit_urb(xpad->irq_out, GFP_KERNEL); + } + + return 0; +} + +static int xpad_init_ff(struct usb_xpad *xpad) +{ + if (xpad->xtype != XTYPE_XBOX360) + return 0; + + input_set_capability(xpad->dev, EV_FF, FF_RUMBLE); + + return input_ff_create_memless(xpad->dev, NULL, xpad_play_effect); +} + +#else +static int xpad_init_ff(struct usb_xpad *xpad) { return 0; } +#endif + +#if defined(CONFIG_JOYSTICK_XPAD_LEDS) +#include <linux/leds.h> + +struct xpad_led { + char name[16]; + struct led_classdev led_cdev; + struct usb_xpad *xpad; +}; + +static void xpad_send_led_command(struct usb_xpad *xpad, int command) +{ + if (command >= 0 && command < 14) { + mutex_lock(&xpad->odata_mutex); + xpad->odata[0] = 0x01; + xpad->odata[1] = 0x03; + xpad->odata[2] = command; + xpad->irq_out->transfer_buffer_length = 3; + usb_submit_urb(xpad->irq_out, GFP_KERNEL); + mutex_unlock(&xpad->odata_mutex); + } +} + +static void xpad_led_set(struct led_classdev *led_cdev, + enum led_brightness value) +{ + struct xpad_led *xpad_led = container_of(led_cdev, + struct xpad_led, led_cdev); + + xpad_send_led_command(xpad_led->xpad, value); +} + +static int xpad_led_probe(struct usb_xpad *xpad) +{ + static atomic_t led_seq = ATOMIC_INIT(0); + long led_no; + struct xpad_led *led; + struct led_classdev *led_cdev; + int error; + + if (xpad->xtype != XTYPE_XBOX360) + return 0; + + xpad->led = led = kzalloc(sizeof(struct xpad_led), GFP_KERNEL); + if (!led) + return -ENOMEM; + + led_no = (long)atomic_inc_return(&led_seq) - 1; + + snprintf(led->name, sizeof(led->name), "xpad%ld", led_no); + led->xpad = xpad; + + led_cdev = &led->led_cdev; + led_cdev->name = led->name; + led_cdev->brightness_set = xpad_led_set; + + error = led_classdev_register(&xpad->udev->dev, led_cdev); + if (error) { + kfree(led); + xpad->led = NULL; + return error; + } + + /* + * Light up the segment corresponding to controller number + */ + xpad_send_led_command(xpad, (led_no % 4) + 2); + + return 0; +} + +static void xpad_led_disconnect(struct usb_xpad *xpad) +{ + struct xpad_led *xpad_led = xpad->led; + + if (xpad_led) { + led_classdev_unregister(&xpad_led->led_cdev); + kfree(xpad_led->name); + } +} +#else +static int xpad_led_probe(struct usb_xpad *xpad) { return 0; } +static void xpad_led_disconnect(struct usb_xpad *xpad) { } +#endif + + +static int xpad_open(struct input_dev *dev) +{ + struct usb_xpad *xpad = input_get_drvdata(dev); + + /* URB was submitted in probe */ + if(xpad->xtype == XTYPE_XBOX360W) + return 0; + + xpad->irq_in->dev = xpad->udev; + if (usb_submit_urb(xpad->irq_in, GFP_KERNEL)) + return -EIO; + + return 0; +} + +static void xpad_close(struct input_dev *dev) +{ + struct usb_xpad *xpad = input_get_drvdata(dev); + + if(xpad->xtype != XTYPE_XBOX360W) + usb_kill_urb(xpad->irq_in); + xpad_stop_output(xpad); +} + +static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs) +{ + set_bit(abs, input_dev->absbit); + + switch (abs) { + case ABS_X: + case ABS_Y: + case ABS_RX: + case ABS_RY: /* the two sticks */ + input_set_abs_params(input_dev, abs, -32768, 32767, 16, 128); + break; + case ABS_Z: + case ABS_RZ: /* the triggers */ + input_set_abs_params(input_dev, abs, 0, 255, 0, 0); + break; + case ABS_HAT0X: + case ABS_HAT0Y: /* the d-pad (only if MAP_DPAD_TO_AXES) */ + input_set_abs_params(input_dev, abs, -1, 1, 0, 0); + break; + } +} + +static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id) +{ + struct usb_device *udev = interface_to_usbdev(intf); + struct usb_xpad *xpad; + struct input_dev *input_dev; + struct usb_endpoint_descriptor *ep_irq_in; + int i; + int error = -ENOMEM; + + for (i = 0; xpad_device[i].idVendor; i++) { + if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) && + (le16_to_cpu(udev->descriptor.idProduct) == xpad_device[i].idProduct)) + break; + } + + xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!xpad || !input_dev) + goto fail1; + + xpad->idata = usb_buffer_alloc(udev, XPAD_PKT_LEN, + GFP_KERNEL, &xpad->idata_dma); + if (!xpad->idata) + goto fail1; + + xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL); + if (!xpad->irq_in) + goto fail2; + + xpad->udev = udev; + xpad->dpad_mapping = xpad_device[i].dpad_mapping; + xpad->xtype = xpad_device[i].xtype; + if (xpad->dpad_mapping == MAP_DPAD_UNKNOWN) + xpad->dpad_mapping = !dpad_to_buttons; + if (xpad->xtype == XTYPE_UNKNOWN) { + if (intf->cur_altsetting->desc.bInterfaceClass == USB_CLASS_VENDOR_SPEC) { + if (intf->cur_altsetting->desc.bInterfaceProtocol == 129) + xpad->xtype = XTYPE_XBOX360W; + else + xpad->xtype = XTYPE_XBOX360; + } else + xpad->xtype = XTYPE_XBOX; + } + xpad->dev = input_dev; + usb_make_path(udev, xpad->phys, sizeof(xpad->phys)); + strlcat(xpad->phys, "/input0", sizeof(xpad->phys)); + + input_dev->name = xpad_device[i].name; + input_dev->phys = xpad->phys; + usb_to_input_id(udev, &input_dev->id); + input_dev->dev.parent = &intf->dev; + + input_set_drvdata(input_dev, xpad); + + input_dev->open = xpad_open; + input_dev->close = xpad_close; + + input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); + + /* set up buttons */ + for (i = 0; xpad_common_btn[i] >= 0; i++) + set_bit(xpad_common_btn[i], input_dev->keybit); + if ((xpad->xtype == XTYPE_XBOX360) || (xpad->xtype == XTYPE_XBOX360W)) + for (i = 0; xpad360_btn[i] >= 0; i++) + set_bit(xpad360_btn[i], input_dev->keybit); + else + for (i = 0; xpad_btn[i] >= 0; i++) + set_bit(xpad_btn[i], input_dev->keybit); + if (xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS) + for (i = 0; xpad_btn_pad[i] >= 0; i++) + set_bit(xpad_btn_pad[i], input_dev->keybit); + + /* set up axes */ + for (i = 0; xpad_abs[i] >= 0; i++) + xpad_set_up_abs(input_dev, xpad_abs[i]); + if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) + for (i = 0; xpad_abs_pad[i] >= 0; i++) + xpad_set_up_abs(input_dev, xpad_abs_pad[i]); + + error = xpad_init_output(intf, xpad); + if (error) + goto fail2; + + error = xpad_init_ff(xpad); + if (error) + goto fail3; + + error = xpad_led_probe(xpad); + if (error) + goto fail3; + + ep_irq_in = &intf->cur_altsetting->endpoint[0].desc; + usb_fill_int_urb(xpad->irq_in, udev, + usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress), + xpad->idata, XPAD_PKT_LEN, xpad_irq_in, + xpad, ep_irq_in->bInterval); + xpad->irq_in->transfer_dma = xpad->idata_dma; + xpad->irq_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + + error = input_register_device(xpad->dev); + if (error) + goto fail4; + + usb_set_intfdata(intf, xpad); + + /* + * Submit the int URB immediatly rather than waiting for open + * because we get status messages from the device whether + * or not any controllers are attached. In fact, it's + * exactly the message that a controller has arrived that + * we're waiting for. + */ + if (xpad->xtype == XTYPE_XBOX360W) { + xpad->irq_in->dev = xpad->udev; + error = usb_submit_urb(xpad->irq_in, GFP_KERNEL); + if (error) + goto fail4; + + /* + * Setup the message to set the LEDs on the + * controller when it shows up + */ + xpad->bulk_out = usb_alloc_urb(0, GFP_KERNEL); + if(!xpad->bulk_out) + goto fail5; + + xpad->bdata = kzalloc(XPAD_PKT_LEN, GFP_KERNEL); + if(!xpad->bdata) + goto fail6; + + xpad->bdata[2] = 0x08; + switch (intf->cur_altsetting->desc.bInterfaceNumber) { + case 0: + xpad->bdata[3] = 0x42; + break; + case 2: + xpad->bdata[3] = 0x43; + break; + case 4: + xpad->bdata[3] = 0x44; + break; + case 6: + xpad->bdata[3] = 0x45; + } + + ep_irq_in = &intf->cur_altsetting->endpoint[1].desc; + usb_fill_bulk_urb(xpad->bulk_out, udev, + usb_sndbulkpipe(udev, ep_irq_in->bEndpointAddress), + xpad->bdata, XPAD_PKT_LEN, xpad_bulk_out, xpad); + } + + return 0; + + fail6: usb_free_urb(xpad->bulk_out); + fail5: usb_kill_urb(xpad->irq_in); + fail4: usb_free_urb(xpad->irq_in); + fail3: xpad_deinit_output(xpad); + fail2: usb_buffer_free(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma); + fail1: input_free_device(input_dev); + kfree(xpad); + return error; + +} + +static void xpad_disconnect(struct usb_interface *intf) +{ + struct usb_xpad *xpad = usb_get_intfdata (intf); + + usb_set_intfdata(intf, NULL); + if (xpad) { + xpad_led_disconnect(xpad); + input_unregister_device(xpad->dev); + xpad_deinit_output(xpad); + if (xpad->xtype == XTYPE_XBOX360W) { + usb_kill_urb(xpad->bulk_out); + usb_free_urb(xpad->bulk_out); + usb_kill_urb(xpad->irq_in); + } + usb_free_urb(xpad->irq_in); + usb_buffer_free(xpad->udev, XPAD_PKT_LEN, + xpad->idata, xpad->idata_dma); + kfree(xpad); + } +} + +static struct usb_driver xpad_driver = { + .name = "xpad", + .probe = xpad_probe, + .disconnect = xpad_disconnect, + .id_table = xpad_table, +}; + +static int __init usb_xpad_init(void) +{ + int result = usb_register(&xpad_driver); + if (result == 0) + printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n"); + return result; +} + +static void __exit usb_xpad_exit(void) +{ + usb_deregister(&xpad_driver); +} + +module_init(usb_xpad_init); +module_exit(usb_xpad_exit); + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); diff --git a/drivers/input/joystick/zhenhua.c b/drivers/input/joystick/zhenhua.c new file mode 100644 index 0000000..b585312 --- /dev/null +++ b/drivers/input/joystick/zhenhua.c @@ -0,0 +1,243 @@ +/* + * derived from "twidjoy.c" + * + * Copyright (c) 2008 Martin Kebert + * Copyright (c) 2001 Arndt Schoenewald + * Copyright (c) 2000-2001 Vojtech Pavlik + * Copyright (c) 2000 Mark Fletcher + * + */ + +/* + * Driver to use 4CH RC transmitter using Zhen Hua 5-byte protocol (Walkera Lama, + * EasyCopter etc.) as a joystick under Linux. + * + * RC transmitters using Zhen Hua 5-byte protocol are cheap four channels + * transmitters for control a RC planes or RC helicopters with possibility to + * connect on a serial port. + * Data coming from transmitter is in this order: + * 1. byte = synchronisation byte + * 2. byte = X axis + * 3. byte = Y axis + * 4. byte = RZ axis + * 5. byte = Z axis + * (and this is repeated) + * + * For questions or feedback regarding this driver module please contact: + * Martin Kebert <gkmarty@gmail.com> - but I am not a C-programmer nor kernel + * coder :-( + */ + +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/input.h> +#include <linux/serio.h> +#include <linux/init.h> + +#define DRIVER_DESC "RC transmitter with 5-byte Zhen Hua protocol joystick driver" + +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL"); + +/* + * Constants. + */ + +#define ZHENHUA_MAX_LENGTH 5 + +/* + * Zhen Hua data. + */ + +struct zhenhua { + struct input_dev *dev; + int idx; + unsigned char data[ZHENHUA_MAX_LENGTH]; + char phys[32]; +}; + + +/* bits in all incoming bytes needs to be "reversed" */ +static int zhenhua_bitreverse(int x) +{ + x = ((x & 0xaa) >> 1) | ((x & 0x55) << 1); + x = ((x & 0xcc) >> 2) | ((x & 0x33) << 2); + x = ((x & 0xf0) >> 4) | ((x & 0x0f) << 4); + return x; +} + +/* + * zhenhua_process_packet() decodes packets the driver receives from the + * RC transmitter. It updates the data accordingly. + */ + +static void zhenhua_process_packet(struct zhenhua *zhenhua) +{ + struct input_dev *dev = zhenhua->dev; + unsigned char *data = zhenhua->data; + + input_report_abs(dev, ABS_Y, data[1]); + input_report_abs(dev, ABS_X, data[2]); + input_report_abs(dev, ABS_RZ, data[3]); + input_report_abs(dev, ABS_Z, data[4]); + + input_sync(dev); +} + +/* + * zhenhua_interrupt() is called by the low level driver when characters + * are ready for us. We then buffer them for further processing, or call the + * packet processing routine. + */ + +static irqreturn_t zhenhua_interrupt(struct serio *serio, unsigned char data, unsigned int flags) +{ + struct zhenhua *zhenhua = serio_get_drvdata(serio); + + /* All Zhen Hua packets are 5 bytes. The fact that the first byte + * is allways 0xf7 and all others are in range 0x32 - 0xc8 (50-200) + * can be used to check and regain sync. */ + + if (data == 0xef) + zhenhua->idx = 0; /* this byte starts a new packet */ + else if (zhenhua->idx == 0) + return IRQ_HANDLED; /* wrong MSB -- ignore this byte */ + + if (zhenhua->idx < ZHENHUA_MAX_LENGTH) + zhenhua->data[zhenhua->idx++] = zhenhua_bitreverse(data); + + if (zhenhua->idx == ZHENHUA_MAX_LENGTH) { + zhenhua_process_packet(zhenhua); + zhenhua->idx = 0; + } + + return IRQ_HANDLED; +} + +/* + * zhenhua_disconnect() is the opposite of zhenhua_connect() + */ + +static void zhenhua_disconnect(struct serio *serio) +{ + struct zhenhua *zhenhua = serio_get_drvdata(serio); + + serio_close(serio); + serio_set_drvdata(serio, NULL); + input_unregister_device(zhenhua->dev); + kfree(zhenhua); +} + +/* + * zhenhua_connect() is the routine that is called when someone adds a + * new serio device. It looks for the Twiddler, and if found, registers + * it as an input device. + */ + +static int zhenhua_connect(struct serio *serio, struct serio_driver *drv) +{ + struct zhenhua *zhenhua; + struct input_dev *input_dev; + int err = -ENOMEM; + + zhenhua = kzalloc(sizeof(struct zhenhua), GFP_KERNEL); + input_dev = input_allocate_device(); + if (!zhenhua || !input_dev) + goto fail1; + + zhenhua->dev = input_dev; + snprintf(zhenhua->phys, sizeof(zhenhua->phys), "%s/input0", serio->phys); + + input_dev->name = "Zhen Hua 5-byte device"; + input_dev->phys = zhenhua->phys; + input_dev->id.bustype = BUS_RS232; + input_dev->id.vendor = SERIO_ZHENHUA; + input_dev->id.product = 0x0001; + input_dev->id.version = 0x0100; + input_dev->dev.parent = &serio->dev; + + input_dev->evbit[0] = BIT(EV_ABS); + input_set_abs_params(input_dev, ABS_X, 50, 200, 0, 0); + input_set_abs_params(input_dev, ABS_Y, 50, 200, 0, 0); + input_set_abs_params(input_dev, ABS_Z, 50, 200, 0, 0); + input_set_abs_params(input_dev, ABS_RZ, 50, 200, 0, 0); + + serio_set_drvdata(serio, zhenhua); + + err = serio_open(serio, drv); + if (err) + goto fail2; + + err = input_register_device(zhenhua->dev); + if (err) + goto fail3; + + return 0; + + fail3: serio_close(serio); + fail2: serio_set_drvdata(serio, NULL); + fail1: input_free_device(input_dev); + kfree(zhenhua); + return err; +} + +/* + * The serio driver structure. + */ + +static struct serio_device_id zhenhua_serio_ids[] = { + { + .type = SERIO_RS232, + .proto = SERIO_ZHENHUA, + .id = SERIO_ANY, + .extra = SERIO_ANY, + }, + { 0 } +}; + +MODULE_DEVICE_TABLE(serio, zhenhua_serio_ids); + +static struct serio_driver zhenhua_drv = { + .driver = { + .name = "zhenhua", + }, + .description = DRIVER_DESC, + .id_table = zhenhua_serio_ids, + .interrupt = zhenhua_interrupt, + .connect = zhenhua_connect, + .disconnect = zhenhua_disconnect, +}; + +/* + * The functions for inserting/removing us as a module. + */ + +static int __init zhenhua_init(void) +{ + return serio_register_driver(&zhenhua_drv); +} + +static void __exit zhenhua_exit(void) +{ + serio_unregister_driver(&zhenhua_drv); +} + +module_init(zhenhua_init); +module_exit(zhenhua_exit); |
