Driver for USB Joystick SBLive and audigy. Work in progress. Right now the USB driver don't work.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26390 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
@@ -0,0 +1,4 @@
|
||||
SubDir HAIKU_TOP src add-ons kernel drivers joystick ;
|
||||
|
||||
SubInclude HAIKU_TOP src add-ons kernel drivers joystick emuxkigameport ;
|
||||
SubInclude HAIKU_TOP src add-ons kernel drivers joystick usb_joy ;
|
||||
@@ -0,0 +1,7 @@
|
||||
SubDir HAIKU_TOP src add-ons kernel drivers joystick emuxkigameport ;
|
||||
|
||||
SetSubDirSupportedPlatformsBeOSCompatible ;
|
||||
|
||||
KernelAddon emuxkigameport :
|
||||
driver.cpp
|
||||
;
|
||||
@@ -0,0 +1,279 @@
|
||||
/*
|
||||
* Copyright 2008 Haiku.
|
||||
* Distributed under the terms of the MIT License.
|
||||
*
|
||||
* Authors:
|
||||
* Alexander Coers [email protected]
|
||||
* Fredrik Modéen [email protected]
|
||||
* Axel Dörfler [email protected]
|
||||
*/
|
||||
|
||||
#include "driver.h"
|
||||
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <KernelExport.h>
|
||||
#include <PCI.h>
|
||||
|
||||
#define TRACE_DRIVER
|
||||
#ifdef TRACE_DRIVER
|
||||
# define TRACE(x) dprintf x
|
||||
#else
|
||||
# define TRACE(x) ;
|
||||
#endif
|
||||
|
||||
int32 api_version = B_CUR_DRIVER_API_VERSION;
|
||||
|
||||
int num_names = 0;
|
||||
int num_cards = 0;
|
||||
|
||||
char *gDeviceNames[MAX_CARDS + 1];
|
||||
gameport_info cards[MAX_CARDS];
|
||||
|
||||
/* setup_card used to initialize cards, structures or hardware */
|
||||
static status_t
|
||||
setup_card (gameport_info* card)
|
||||
{
|
||||
char * name = card->name;
|
||||
uint32 command_reg = 0;
|
||||
area_id area;
|
||||
int32 base,size;
|
||||
|
||||
dprintf (DRIVER_NAME ": setup_card() trying to init structures \n");
|
||||
/* enable PCI i/o */
|
||||
command_reg = PCI_command_io || PCI_command_master ;
|
||||
|
||||
(*pci->write_pci_config)(card->info.bus,card->info.device,
|
||||
card->info.function, PCI_command, 2, 0);
|
||||
|
||||
/* disable all i/o -regs and bus_mastering */
|
||||
base = card->info.u.h0.base_registers[0];
|
||||
size = card->info.u.h0.base_register_sizes[0];
|
||||
|
||||
(*pci->write_pci_config) (card->info.bus,card->info.device,
|
||||
card->info.function, 0x10, 2, base);
|
||||
|
||||
(*pci->write_pci_config) (card->info.bus,card->info.device,
|
||||
card->info.function, PCI_command, 2, command_reg);
|
||||
|
||||
/* enable i/o- regs and possible bus_mastering */
|
||||
dprintf (DRIVER_NAME ": setup_card() enabled card with i/o regs from "
|
||||
"0x%04x to 0x%04x \n",base,base+size-1);
|
||||
|
||||
if ((*gameport->create_device)((int32)base, &card->joy.driver) < B_OK) {
|
||||
dprintf (DRIVER_NAME ": setup_card() Gameport setup failed! Failed to "
|
||||
"load Generic Gameport Module \n");
|
||||
return B_ERROR;
|
||||
}
|
||||
|
||||
sprintf(card->joy.name1, "joystick/"DRIVER_NAME "/%x", base);
|
||||
gDeviceNames[num_names++] = card->joy.name1;
|
||||
gDeviceNames[num_names] = NULL;
|
||||
return B_OK;
|
||||
}
|
||||
|
||||
|
||||
extern "C" status_t
|
||||
init_hardware (void)
|
||||
{
|
||||
status_t err = ENODEV;
|
||||
pci_info info;
|
||||
int ix = 0;
|
||||
uint32 buffer;
|
||||
|
||||
/* probe PCI bus */
|
||||
if (get_module (pci_name, (module_info **)&pci))
|
||||
return ENOSYS;
|
||||
while ((*pci->get_nth_pci_info)(ix, &info) == B_OK) {
|
||||
/* look for HARDWARE */
|
||||
if (info.vendor_id == VENDOR_ID_CREATIVE &&
|
||||
info.device_id == DEVICE_ID_CREATIVE_EMU10K1) {
|
||||
err = B_OK;
|
||||
|
||||
dprintf (DRIVER_NAME ": init_hardware() found one, Revision %02x\n"
|
||||
,info.revision);
|
||||
|
||||
if (!(info.u.h0.subsystem_id == 0x20 ||
|
||||
info.u.h0.subsystem_id == 0xc400 ||
|
||||
(info.u.h0.subsystem_id == 0x21 && info.revision < 6))) {
|
||||
buffer = (*pci->read_io_32)(info.u.h0.base_registers[0] + HCFG);
|
||||
buffer |= HCFG_JOYENABLE;
|
||||
(*pci->write_io_32)(info.u.h0.base_registers[0] + HCFG, buffer);
|
||||
}
|
||||
/* Some SB-Live cards need to the Joyenable Bit in the config
|
||||
Register, others don´t */
|
||||
}
|
||||
ix++;
|
||||
}
|
||||
put_module (B_PCI_MODULE_NAME);
|
||||
return err;
|
||||
}
|
||||
|
||||
|
||||
extern "C" status_t
|
||||
init_driver (void)
|
||||
{
|
||||
area_id area;
|
||||
area_info ainfo;
|
||||
pci_info info;
|
||||
int ix = 0;
|
||||
dprintf (DRIVER_NAME ": init_driver() " __DATE__ " " __TIME__ "\n");
|
||||
|
||||
/* probe PCI bus */
|
||||
if (get_module (pci_name, (module_info **)&pci))
|
||||
return ENOSYS;
|
||||
|
||||
if (get_module (gameport_name, (module_info **)&gameport)) {
|
||||
dprintf (DRIVER_NAME ": Failed to load Generic Gameport Module \n");
|
||||
put_module (pci_name);
|
||||
return ENOSYS;
|
||||
}
|
||||
|
||||
while ((*pci->get_nth_pci_info)(ix, &info) == B_OK) {
|
||||
if (info.vendor_id == VENDOR_ID_CREATIVE && (
|
||||
info.device_id == SBLIVE_ID ||
|
||||
info.device_id == AUDIGY_ID ||
|
||||
info.device_id == SBLIVE_DELL_ID)) {
|
||||
|
||||
if (num_cards == MAX_CARDS) {
|
||||
dprintf(DRIVER_NAME ": Too many cards installed!\n");
|
||||
break;
|
||||
}
|
||||
|
||||
memset(&cards[num_cards], 0, sizeof(gameport_info));
|
||||
cards[num_cards].info = info;
|
||||
if (setup_card(&cards[num_cards]))
|
||||
dprintf(DRIVER_NAME ": Setup of card %ld failed \n",
|
||||
num_cards + 1);
|
||||
else
|
||||
num_cards++;
|
||||
}
|
||||
ix++;
|
||||
}
|
||||
|
||||
if (!num_cards) {
|
||||
dprintf(DRIVER_NAME ": no cards \n");
|
||||
put_module(pci_name);
|
||||
return ENODEV;
|
||||
}
|
||||
return B_OK;
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
uninit_driver (void)
|
||||
{
|
||||
int ix = 0;
|
||||
area_id area;
|
||||
dprintf (DRIVER_NAME ": uninit_driver()\n");
|
||||
for (ix = 0; ix < num_cards; ix++) {
|
||||
area = find_area (AREA_NAME);
|
||||
if (area >= 0)
|
||||
delete_area (area);
|
||||
(*gameport->delete_device)(cards[ix].joy.driver);
|
||||
}
|
||||
memset(&cards, 0, sizeof(cards));
|
||||
put_module (gameport_name);
|
||||
put_module (pci_name);
|
||||
num_cards = 0;
|
||||
}
|
||||
|
||||
|
||||
extern "C" const char**
|
||||
publish_devices()
|
||||
{
|
||||
return (const char **)gDeviceNames;
|
||||
}
|
||||
|
||||
|
||||
static int
|
||||
lookup_device_name (const char *name)
|
||||
{
|
||||
int i;
|
||||
for (i = 0; gDeviceNames[i]; i++)
|
||||
if (!strcmp (gDeviceNames[i], name))
|
||||
return i;
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
static status_t
|
||||
device_open(const char* name, uint32 flags, void** cookie)
|
||||
{
|
||||
int ix;
|
||||
int offset = -1;
|
||||
|
||||
*cookie = NULL;
|
||||
for (ix = 0; ix < num_cards; ix++) {
|
||||
if (!strcmp(name, cards[ix].joy.name1)) {
|
||||
offset = 0;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (offset < 0) {
|
||||
return ENODEV;
|
||||
}
|
||||
|
||||
return (*gameport->open_hook)(cards[ix].joy.driver, flags, cookie);
|
||||
}
|
||||
|
||||
|
||||
static status_t
|
||||
device_close(void * cookie)
|
||||
{
|
||||
return (*gameport->close_hook)(cookie);
|
||||
}
|
||||
|
||||
|
||||
static status_t
|
||||
device_free(void * cookie)
|
||||
{
|
||||
return (*gameport->free_hook)(cookie);
|
||||
}
|
||||
|
||||
|
||||
static status_t
|
||||
device_control(void * cookie, uint32 iop, void * data, size_t len)
|
||||
{
|
||||
return (*gameport->control_hook)(cookie, iop, data, len);
|
||||
}
|
||||
|
||||
|
||||
static status_t
|
||||
device_read(void * cookie, off_t pos, void * data, size_t * nread)
|
||||
{
|
||||
return (*gameport->read_hook)(cookie, pos, data, nread);
|
||||
}
|
||||
|
||||
|
||||
static status_t
|
||||
device_write(void * cookie, off_t pos, const void * data, size_t * nwritten)
|
||||
{
|
||||
(*pci->write_io_32) ((int)vaddr,0);
|
||||
return (*gameport->write_hook)(cookie, pos, data, nwritten);
|
||||
}
|
||||
|
||||
device_hooks gDeviceHooks = {
|
||||
device_open,
|
||||
device_close,
|
||||
device_free,
|
||||
device_control,
|
||||
device_read,
|
||||
device_write,
|
||||
NULL, /* select */
|
||||
NULL, /* deselect */
|
||||
NULL, /* readv */
|
||||
NULL /* writev */
|
||||
};
|
||||
|
||||
|
||||
device_hooks*
|
||||
find_device(const char* name)
|
||||
{
|
||||
if (lookup_device_name (name) >= 0) {
|
||||
return &gDeviceHooks;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
@@ -0,0 +1,52 @@
|
||||
/*
|
||||
* Copyright 2008 Haiku.
|
||||
* Distributed under the terms of the MIT License.
|
||||
*
|
||||
* Authors:
|
||||
* Alexander Coers [email protected]
|
||||
* Fredrik Modéen [email protected]
|
||||
*/
|
||||
|
||||
#ifndef DRIVER_H
|
||||
#define DRIVER_H
|
||||
|
||||
#include <KernelExport.h>
|
||||
#include <PCI.h>
|
||||
|
||||
#include "joystick_driver.h"
|
||||
|
||||
#define VENDOR_ID_CREATIVE 0x1102
|
||||
#define DEVICE_ID_CREATIVE_EMU10K1 0x0002
|
||||
#define SBLIVE_ID 0x7002 /*EMU10000*/
|
||||
#define AUDIGY_ID 0x7003 /*EMU10K2*/
|
||||
#define SBLIVE_DELL_ID 0x7004 /* Game port for SB Live!, Dell OEM gameport*/
|
||||
#define DRIVER_NAME "emuxkigameport"
|
||||
#define AREA_NAME "SB_GAME"
|
||||
#define MAX_CARDS 2
|
||||
|
||||
/* NB global variables are valid only while driver is loaded */
|
||||
static volatile ulong vaddr; /* PCI */
|
||||
|
||||
// use pci manager
|
||||
static char pci_name[] = B_PCI_MODULE_NAME;
|
||||
static pci_module_info *pci;
|
||||
|
||||
// use generic_gameport_module...
|
||||
static char gameport_name [] = "generic/gameport/v2";
|
||||
static generic_gameport_module *gameport;
|
||||
|
||||
#define HCFG 0x14 /* Hardware Configuration Register of SB-Live */
|
||||
#define HCFG_JOYENABLE 0x00000200 /* Mask for enabling Joystick */
|
||||
|
||||
struct joystick_dev {
|
||||
void * driver;
|
||||
char name1[64];
|
||||
};
|
||||
|
||||
struct gameport_info {
|
||||
char name[60]; /* used for resources */
|
||||
pci_info info;
|
||||
joystick_dev joy;
|
||||
};
|
||||
|
||||
#endif /* DRIVER_H */
|
||||
@@ -0,0 +1,120 @@
|
||||
/* ++++++++++
|
||||
FILE: joystick_driver.h
|
||||
REVS: $Revision: 1.1 $
|
||||
NAME: herold
|
||||
DATE: Tue Jun 4 14:57:25 PDT 1996
|
||||
+++++ */
|
||||
|
||||
/*
|
||||
Copyright 1999, Be Incorporated. All Rights Reserved.
|
||||
This file may be used under the terms of the Be Sample Code License.
|
||||
*/
|
||||
|
||||
#ifndef _JOYSTICK_DRIVER_H
|
||||
#define _JOYSTICK_DRIVER_H
|
||||
|
||||
#include <SupportDefs.h>
|
||||
#include <Drivers.h>
|
||||
#include <module.h>
|
||||
|
||||
typedef struct _joystick {
|
||||
bigtime_t timestamp;
|
||||
uint32 horizontal;
|
||||
uint32 vertical;
|
||||
bool button1;
|
||||
bool button2;
|
||||
} joystick;
|
||||
|
||||
/* maximum number of axes on one controller (pads count as 2 axes each) */
|
||||
#define MAX_AXES 12
|
||||
/* maximum number of hats on one controller -- PADS SHOULD BE RETURNED AS AXES! */
|
||||
#define MAX_HATS 8
|
||||
/* maximum number of buttons on one controller */
|
||||
#define MAX_BUTTONS 32
|
||||
/* maximum number of controllers on one port */
|
||||
#define MAX_STICKS 4
|
||||
|
||||
typedef struct _extended_joystick {
|
||||
bigtime_t timestamp; /* system_time when it was read */
|
||||
uint32 buttons; /* lsb to msb, 1 == on */
|
||||
int16 axes[MAX_AXES]; /* -32768 to 32767, X, Y, Z, U, V, W */
|
||||
uint8 hats[MAX_HATS]; /* 0 through 8 (1 == N, 3 == E, 5 == S, 7 == W) */
|
||||
} extended_joystick;
|
||||
|
||||
#define MAX_CONFIG_SIZE 100
|
||||
|
||||
enum { /* flags for joystick module info */
|
||||
js_flag_force_feedback = 0x1,
|
||||
js_flag_force_feedback_directional = 0x2
|
||||
};
|
||||
|
||||
typedef struct _joystick_module_info {
|
||||
char module_name[64];
|
||||
char device_name[64];
|
||||
int16 num_axes;
|
||||
int16 num_buttons;
|
||||
int16 num_hats;
|
||||
uint16 _reserved[7];
|
||||
uint32 flags;
|
||||
uint16 num_sticks;
|
||||
int16 config_size;
|
||||
char device_config[MAX_CONFIG_SIZE]; /* device specific */
|
||||
} joystick_module_info;
|
||||
|
||||
/* Note that joystick_module is something used by the game port driver */
|
||||
/* to talk to digital joysticks; if you're writing a sound card driver */
|
||||
/* and want to add support for a /dev/joystick device, use the generic_gameport */
|
||||
/* module. */
|
||||
|
||||
typedef struct _joystick_module {
|
||||
module_info minfo;
|
||||
/** "configure" might change the "info" if it auto-detects a device */
|
||||
int (*configure)(int port, joystick_module_info * info, size_t size, void ** out_cookie);
|
||||
/** "read" actual data from device into "data" */
|
||||
int (*read)(void * cookie, int port, extended_joystick * data, size_t size);
|
||||
/** "crumble" the cookie (deallocate) when done */
|
||||
int (*crumble)(void * cookie, int port);
|
||||
/** "force" tells the joystick to exert force on the same axes as input for the specified duration */
|
||||
int (*force)(void * cookie, int port, bigtime_t duration, extended_joystick * force, size_t size);
|
||||
int _reserved_;
|
||||
} joystick_module;
|
||||
|
||||
/** Doing force feedback means writing an extended_joystick to the device with force values.
|
||||
The "timestamp" should be the duration of the feedback. Successive writes will be queued
|
||||
by the device module. */
|
||||
enum { /* Joystick driver ioctl() opcodes */
|
||||
B_JOYSTICK_GET_SPEED_COMPENSATION = B_JOYSTICK_DRIVER_BASE,
|
||||
/* arg -> ptr to int32 */
|
||||
B_JOYSTICK_SET_SPEED_COMPENSATION, /* arg -> ptr to int32 */
|
||||
B_JOYSTICK_GET_MAX_LATENCY, /* arg -> ptr to long long */
|
||||
B_JOYSTICK_SET_MAX_LATENCY, /* arg -> ptr to long long */
|
||||
B_JOYSTICK_SET_DEVICE_MODULE, /* arg -> ptr to joystick_module; also enters enhanced mode */
|
||||
B_JOYSTICK_GET_DEVICE_MODULE, /* arg -> ptr to joystick_module */
|
||||
B_JOYSTICK_SET_RAW_MODE /* arg -> ptr to bool (true or false) */
|
||||
};
|
||||
|
||||
/* Speed compensation is not generally necessary, because the joystick */
|
||||
/* driver is measuring using real time, not just # cycles. "0" means the */
|
||||
/* default, center value. + typically returns higher values; - returns lower */
|
||||
/* A typical range might be from -10 to +10, but it varies by driver */
|
||||
|
||||
/* Lower latency will make for more overhead in reading the joystick */
|
||||
/* ideally, you set this value to just short of how long it takes you */
|
||||
/* to calculate and render a frame. 30 fps -> latency 33000 */
|
||||
|
||||
|
||||
typedef struct _generic_gameport_module {
|
||||
module_info minfo;
|
||||
status_t (*create_device)(int port, void ** out_storage);
|
||||
status_t (*delete_device)(void * storage);
|
||||
status_t (*open_hook)(void * storage, uint32 flags, void ** out_cookie);
|
||||
status_t (*close_hook)(void * cookie);
|
||||
status_t (*free_hook)(void * cookie);
|
||||
status_t (*control_hook)(void * cookie, uint32 op, void * data, size_t len);
|
||||
status_t (*read_hook)(void * cookie, off_t pos, void * data, size_t * len);
|
||||
status_t (*write_hook)(void * cookie, off_t pos, const void * data, size_t * len);
|
||||
int _reserved_;
|
||||
} generic_gameport_module;
|
||||
|
||||
|
||||
#endif
|
||||
@@ -0,0 +1,12 @@
|
||||
SubDir HAIKU_TOP src add-ons kernel drivers joystick usb_joy ;
|
||||
|
||||
SetSubDirSupportedPlatformsBeOSCompatible ;
|
||||
|
||||
SubDirSysHdrs $(HAIKU_TOP) src add-ons kernel bus_managers usb ;
|
||||
|
||||
KernelAddon usb_joy :
|
||||
devlist.c
|
||||
devmgmt.c
|
||||
driver.c
|
||||
hidparse.c
|
||||
;
|
||||
@@ -0,0 +1,110 @@
|
||||
/*
|
||||
USB joystick driver for BeOS R5
|
||||
Copyright 2000 (C) ITO, Takayuki
|
||||
All rights reserved
|
||||
*/
|
||||
|
||||
#include "driver.h"
|
||||
|
||||
#define DPRINTF_INFO(x) dprintf x
|
||||
#define DPRINTF_ERR(x) dprintf x
|
||||
|
||||
sem_id my_device_list_lock = -1;
|
||||
bool my_device_list_changed = true; /* added or removed */
|
||||
|
||||
static my_device_info *my_device_list = NULL;
|
||||
static int my_device_count = 0;
|
||||
|
||||
void add_device_info (my_device_info *my_dev)
|
||||
{
|
||||
assert (my_dev != NULL);
|
||||
acquire_sem (my_device_list_lock);
|
||||
my_dev->next = my_device_list;
|
||||
my_device_list = my_dev;
|
||||
my_device_count++;
|
||||
my_device_list_changed = true;
|
||||
release_sem (my_device_list_lock);
|
||||
}
|
||||
|
||||
void remove_device_info (my_device_info *my_dev)
|
||||
{
|
||||
assert (my_dev != NULL);
|
||||
acquire_sem (my_device_list_lock);
|
||||
if (my_device_list == my_dev)
|
||||
my_device_list = my_dev->next;
|
||||
else
|
||||
{
|
||||
my_device_info *d;
|
||||
for (d = my_device_list; d != NULL; d = d->next)
|
||||
{
|
||||
if (d->next == my_dev)
|
||||
{
|
||||
d->next = my_dev->next;
|
||||
--my_device_count;
|
||||
my_device_list_changed = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
assert (d != NULL);
|
||||
}
|
||||
release_sem (my_device_list_lock);
|
||||
}
|
||||
|
||||
my_device_info *search_device_info (int number)
|
||||
{
|
||||
my_device_info *my_dev;
|
||||
|
||||
acquire_sem (my_device_list_lock);
|
||||
for (my_dev = my_device_list; my_dev != NULL; my_dev = my_dev->next)
|
||||
{
|
||||
if (my_dev->number == number)
|
||||
break;
|
||||
}
|
||||
release_sem (my_device_list_lock);
|
||||
return my_dev;
|
||||
}
|
||||
|
||||
/*
|
||||
device names
|
||||
*/
|
||||
|
||||
/* dynamically generated */
|
||||
char **my_device_names = NULL;
|
||||
|
||||
void alloc_device_names (void)
|
||||
{
|
||||
assert (my_device_names == NULL);
|
||||
my_device_names = malloc (sizeof (char *) * (my_device_count + 1));
|
||||
}
|
||||
|
||||
void free_device_names (void)
|
||||
{
|
||||
if (my_device_names != NULL)
|
||||
{
|
||||
int i;
|
||||
for (i = 0; my_device_names [i] != NULL; i++)
|
||||
free (my_device_names [i]);
|
||||
free (my_device_names);
|
||||
my_device_names = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
void rebuild_device_names (void)
|
||||
{
|
||||
int i;
|
||||
my_device_info *my_dev;
|
||||
|
||||
assert (my_device_names != NULL);
|
||||
acquire_sem (my_device_list_lock);
|
||||
for (i = 0, my_dev = my_device_list; my_dev != NULL; my_dev = my_dev->next)
|
||||
{
|
||||
char *p = malloc (strlen (my_base_name) + 4);
|
||||
assert (p != NULL);
|
||||
sprintf (p, "%s%d", my_base_name, my_dev->number);
|
||||
DPRINTF_INFO ((MY_ID "publishing %s\n", p));
|
||||
my_device_names [i++] = p;
|
||||
}
|
||||
my_device_names [i] = NULL;
|
||||
release_sem (my_device_list_lock);
|
||||
}
|
||||
|
||||
@@ -0,0 +1,82 @@
|
||||
/*
|
||||
USB joystick driver for BeOS R5
|
||||
Copyright 2000 (C) ITO, Takayuki
|
||||
All rights reserved
|
||||
*/
|
||||
|
||||
#include "driver.h"
|
||||
|
||||
#define DPRINTF_INFO(x) dprintf x
|
||||
#define DPRINTF_ERR(x) dprintf x
|
||||
|
||||
static int device_number = 0;
|
||||
|
||||
my_device_info *create_device (
|
||||
const usb_device *dev,
|
||||
const usb_interface_info *ii)
|
||||
{
|
||||
my_device_info *my_dev = NULL;
|
||||
int number;
|
||||
area_id area;
|
||||
sem_id sem;
|
||||
char area_name [32];
|
||||
|
||||
assert (usb != NULL && dev != NULL);
|
||||
|
||||
number = device_number++;
|
||||
|
||||
my_dev = malloc (sizeof (my_device_info));
|
||||
if (my_dev == NULL)
|
||||
return NULL;
|
||||
|
||||
my_dev->sem_cb = sem = create_sem (0, DRIVER_NAME "_cb");
|
||||
if (sem < 0)
|
||||
{
|
||||
DPRINTF_ERR ((MY_ID "create_sem() failed %d\n", (int) sem));
|
||||
free (my_dev);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
my_dev->sem_lock = sem = create_sem (1, DRIVER_NAME "_lock");
|
||||
if (sem < 0)
|
||||
{
|
||||
DPRINTF_ERR ((MY_ID "create_sem() failed %d\n", (int) sem));
|
||||
delete_sem (my_dev->sem_cb);
|
||||
free (my_dev);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
sprintf (area_name, DRIVER_NAME "_buffer%d", number);
|
||||
my_dev->buffer_area = area = create_area (area_name,
|
||||
(void **) &my_dev->buffer, B_ANY_KERNEL_ADDRESS,
|
||||
B_PAGE_SIZE, B_CONTIGUOUS, B_READ_AREA | B_WRITE_AREA);
|
||||
if (area < 0)
|
||||
{
|
||||
DPRINTF_ERR ((MY_ID "create_area() failed %d\n", (int) area));
|
||||
delete_sem (my_dev->sem_cb);
|
||||
delete_sem (my_dev->sem_lock);
|
||||
free (my_dev);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
my_dev->buffer_valid = false;
|
||||
my_dev->dev = dev;
|
||||
my_dev->number = number;
|
||||
my_dev->open = 0;
|
||||
my_dev->open_fds = NULL;
|
||||
my_dev->active = true;
|
||||
my_dev->insns = NULL;
|
||||
my_dev->num_insns = 0;
|
||||
my_dev->flags = 0;
|
||||
|
||||
return my_dev;
|
||||
}
|
||||
|
||||
void remove_device (my_device_info *my_dev)
|
||||
{
|
||||
assert (my_dev != NULL);
|
||||
delete_area (my_dev->buffer_area);
|
||||
delete_sem (my_dev->sem_cb);
|
||||
delete_sem (my_dev->sem_lock);
|
||||
free (my_dev);
|
||||
}
|
||||
@@ -0,0 +1,949 @@
|
||||
/*
|
||||
USB Joystick driver for BeOS R5
|
||||
Copyright 2000 (C) ITO, Takayuki
|
||||
All rights reserved
|
||||
*/
|
||||
|
||||
#include <Debug.h>
|
||||
#include <driver_settings.h>
|
||||
#include <limits.h>
|
||||
#include <stdlib.h>
|
||||
#include "driver.h"
|
||||
|
||||
#define AXIS_VALUE_MIN (-32768)
|
||||
#define AXIS_VALUE_MAX 32767
|
||||
|
||||
#define USB_VID_MICROSOFT 0x045e
|
||||
|
||||
#define DPRINTF_INFO(x) dprintf x
|
||||
#define DPRINTF_ERR(x) dprintf x
|
||||
|
||||
/* gameport driver cookie (per open) */
|
||||
|
||||
typedef struct driver_cookie
|
||||
{
|
||||
struct driver_cookie *next;
|
||||
|
||||
my_device_info *my_dev;
|
||||
bool enhanced;
|
||||
|
||||
/* below are valid under enhanced mode */
|
||||
joystick_module_info joy_mod_info;
|
||||
} driver_cookie;
|
||||
|
||||
/* NB global variables are valid only while driver is loaded */
|
||||
|
||||
_EXPORT int32 api_version = B_CUR_DRIVER_API_VERSION;
|
||||
|
||||
const char *my_driver_name = "usb_joy";
|
||||
const char *my_base_name = "joystick/usb/";
|
||||
|
||||
usb_module_info *usb;
|
||||
|
||||
/*
|
||||
driver settings
|
||||
*/
|
||||
|
||||
static product_info *prod_info = NULL;
|
||||
static int num_prod_info = 0;
|
||||
|
||||
#define atoi2(s) (int)strtol((s),NULL,0)
|
||||
|
||||
static void load_settings_file (void)
|
||||
{
|
||||
void *handle;
|
||||
int entry_idx, param_idx, i;
|
||||
static product_info null_prod_info;
|
||||
const driver_settings *settings;
|
||||
|
||||
/* make default mapping */
|
||||
null_prod_info.vendor_id = null_prod_info.product_id = 0;
|
||||
for (i = 0; i < MAX_AXES; i++)
|
||||
null_prod_info.axis_tbl [i] = i;
|
||||
for (i = 0; i < MAX_HATS; i++)
|
||||
null_prod_info.hat_tbl [i] = i;
|
||||
for (i = 0; i < MAX_BUTTONS; i++)
|
||||
null_prod_info.button_tbl [i] = i;
|
||||
|
||||
handle = load_driver_settings (my_driver_name);
|
||||
if (handle == NULL)
|
||||
{
|
||||
DPRINTF_ERR ((MY_ID "settings file open error\n"));
|
||||
prod_info = &null_prod_info;
|
||||
num_prod_info = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
settings = get_driver_settings (handle);
|
||||
/* FIXME: num_prod_info may not be equal to parameter_count */
|
||||
num_prod_info = settings->parameter_count;
|
||||
if (num_prod_info == 0)
|
||||
{
|
||||
prod_info = &null_prod_info;
|
||||
return;
|
||||
}
|
||||
prod_info = malloc (sizeof (product_info) * (num_prod_info + 1));
|
||||
if (prod_info == NULL)
|
||||
{
|
||||
DPRINTF_ERR ((MY_ID "no memory\n"));
|
||||
prod_info = &null_prod_info;
|
||||
num_prod_info = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
prod_info [0] = null_prod_info;
|
||||
for (entry_idx = 0; entry_idx < num_prod_info; entry_idx++)
|
||||
{
|
||||
product_info *prod;
|
||||
const driver_parameter *entry;
|
||||
|
||||
entry = &settings->parameters [entry_idx];
|
||||
if (strcmp (entry->name, "version") == 0)
|
||||
{
|
||||
/* XXX */
|
||||
}
|
||||
else if (strcmp (entry->name, "product") == 0)
|
||||
{
|
||||
prod = &prod_info [entry_idx + 1];
|
||||
*prod = null_prod_info;
|
||||
assert (entry->value_count == 2);
|
||||
prod->vendor_id = atoi2 (entry->values [0]);
|
||||
prod->product_id = atoi2 (entry->values [1]);
|
||||
|
||||
for (param_idx = 0; param_idx < entry->parameter_count; param_idx++)
|
||||
{
|
||||
const driver_parameter *param;
|
||||
|
||||
param = &entry->parameters [param_idx];
|
||||
if (strcmp (param->name, "button") == 0)
|
||||
{
|
||||
int src, dst;
|
||||
assert (param->value_count >= 2);
|
||||
src = atoi2 (param->values [0]) - 1;
|
||||
dst = atoi2 (param->values [1]) - 1;
|
||||
if (src < MAX_BUTTONS && dst < MAX_BUTTONS)
|
||||
prod->button_tbl [src] = dst;
|
||||
}
|
||||
else if (strcmp (param->name, "axis") == 0)
|
||||
{
|
||||
int src, dst;
|
||||
assert (param->value_count >= 2);
|
||||
src = atoi2 (param->values [0]) - 1;
|
||||
dst = atoi2 (param->values [1]) - 1;
|
||||
if (src < MAX_AXES && dst < MAX_AXES)
|
||||
prod->axis_tbl [src] = dst;
|
||||
}
|
||||
else if (strcmp (param->name, "hat") == 0)
|
||||
{
|
||||
int src, dst;
|
||||
assert (param->value_count >= 2);
|
||||
src = atoi2 (param->values [0]) - 1;
|
||||
dst = atoi2 (param->values [1]) - 1;
|
||||
if (src < MAX_HATS && dst < MAX_HATS)
|
||||
prod->hat_tbl [src] = dst;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
unload_driver_settings (handle);
|
||||
}
|
||||
|
||||
/*
|
||||
callback: got a report, issue next request
|
||||
*/
|
||||
|
||||
static void usb_callback (
|
||||
void *cookie,
|
||||
uint32 status,
|
||||
void *data,
|
||||
uint32 actual_len)
|
||||
{
|
||||
status_t st;
|
||||
my_device_info *my_dev = cookie;
|
||||
|
||||
assert (cookie != NULL);
|
||||
|
||||
acquire_sem (my_dev->sem_lock);
|
||||
my_dev->actual_length = actual_len;
|
||||
my_dev->bus_status = status; /* B_USB_STATUS_* */
|
||||
if (status != B_OK)
|
||||
{
|
||||
/* request failed */
|
||||
release_sem (my_dev->sem_lock);
|
||||
DPRINTF_ERR ((MY_ID "bus status %d\n", (int)status));
|
||||
//if (status == B_USB_STATUS_IRP_CANCELLED_BY_REQUEST)
|
||||
//{
|
||||
/* cancelled: device is unplugged */
|
||||
return;
|
||||
//}
|
||||
#if 1
|
||||
//st = usb->clear_feature (my_dev->ept->handle, USB_FEATURE_ENDPOINT_HALT);
|
||||
//if (st != B_OK)
|
||||
// DPRINTF_ERR ((MY_ID "clear_feature() error %d\n", (int)st));
|
||||
#endif
|
||||
}
|
||||
else
|
||||
{
|
||||
/* got a report */
|
||||
#if 0
|
||||
int i;
|
||||
char linbuf [256];
|
||||
uint8 *buffer = my_dev->buffer;
|
||||
|
||||
for (i = 0; i < my_dev->total_report_size; i++)
|
||||
sprintf (&linbuf[i*3], "%02X ", buffer [i]);
|
||||
DPRINTF_INFO ((MY_ID "input report: %s\n", linbuf));
|
||||
#endif
|
||||
my_dev->buffer_valid = true;
|
||||
my_dev->timestamp = system_time ();
|
||||
release_sem (my_dev->sem_lock);
|
||||
}
|
||||
|
||||
/* issue next request */
|
||||
|
||||
st = usb->queue_interrupt (my_dev->ept->handle, my_dev->buffer,
|
||||
my_dev->total_report_size, usb_callback, my_dev);
|
||||
if (st != B_OK)
|
||||
{
|
||||
/* XXX probably endpoint stall */
|
||||
DPRINTF_ERR ((MY_ID "queue_interrupt() error %d\n", (int)st));
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
USB specific device hooks
|
||||
*/
|
||||
|
||||
static status_t my_device_added (
|
||||
const usb_device *dev,
|
||||
void **cookie)
|
||||
{
|
||||
my_device_info *my_dev;
|
||||
const usb_device_descriptor *dev_desc;
|
||||
const usb_configuration_info *conf;
|
||||
const usb_interface_info *intf;
|
||||
status_t st;
|
||||
usb_hid_descriptor *hid_desc;
|
||||
uint8 *rep_desc = NULL;
|
||||
size_t desc_len, actual;
|
||||
decomp_item *items;
|
||||
size_t num_items;
|
||||
int i, ifno, fd, report_id;
|
||||
|
||||
assert (dev != NULL && cookie != NULL);
|
||||
DPRINTF_INFO ((MY_ID "device_added()\n"));
|
||||
|
||||
dev_desc = usb->get_device_descriptor (dev);
|
||||
DPRINTF_INFO ((MY_ID "vendor ID 0x%04X, product ID 0x%04X\n",
|
||||
dev_desc->vendor_id, dev_desc->product_id));
|
||||
|
||||
/* check interface class */
|
||||
|
||||
if ((conf = usb->get_nth_configuration
|
||||
(dev, DEFAULT_CONFIGURATION)) == NULL)
|
||||
{
|
||||
DPRINTF_ERR ((MY_ID "cannot get default configuration\n"));
|
||||
return B_ERROR;
|
||||
}
|
||||
|
||||
for (ifno = 0; ifno < conf->interface_count; ifno++)
|
||||
{
|
||||
/* This is C; I can use "class" :-> */
|
||||
int class, subclass, protocol;
|
||||
|
||||
intf = conf->interface [ifno].active;
|
||||
class = intf->descr->interface_class;
|
||||
subclass = intf->descr->interface_subclass;
|
||||
protocol = intf->descr->interface_protocol;
|
||||
DPRINTF_INFO ((MY_ID "interface %d: class %d, subclass %d, protocol %d\n",
|
||||
ifno, class, subclass, protocol));
|
||||
if (class == USB_CLASS_HID && subclass == 0)
|
||||
break;
|
||||
}
|
||||
|
||||
if (ifno >= conf->interface_count)
|
||||
{
|
||||
DPRINTF_INFO ((MY_ID "Non-boot HID interface not found\n"));
|
||||
return B_ERROR;
|
||||
}
|
||||
|
||||
/* read HID descriptor */
|
||||
|
||||
desc_len = sizeof (usb_hid_descriptor);
|
||||
hid_desc = malloc (desc_len);
|
||||
st = usb->send_request (dev,
|
||||
USB_REQTYPE_INTERFACE_IN | USB_REQTYPE_STANDARD,
|
||||
USB_REQUEST_GET_DESCRIPTOR,
|
||||
USB_DESCRIPTOR_HID << 8, ifno, desc_len,
|
||||
hid_desc, &desc_len);
|
||||
DPRINTF_INFO ((MY_ID "get_hid_desc: st=%d, len=%d\n",
|
||||
(int) st, (int)desc_len));
|
||||
if (st != B_OK)
|
||||
desc_len = 256; /* XXX */
|
||||
|
||||
/* read report descriptor */
|
||||
|
||||
desc_len = hid_desc->descriptor_info [0].descriptor_length;
|
||||
free (hid_desc);
|
||||
rep_desc = malloc (desc_len);
|
||||
assert (rep_desc != NULL);
|
||||
st = usb->send_request (dev,
|
||||
USB_REQTYPE_INTERFACE_IN | USB_REQTYPE_STANDARD,
|
||||
USB_REQUEST_GET_DESCRIPTOR,
|
||||
USB_DESCRIPTOR_HID_REPORT << 8, ifno, desc_len,
|
||||
rep_desc, &desc_len);
|
||||
DPRINTF_INFO ((MY_ID "get_hid_rep_desc: st=%d, len=%d\n",
|
||||
(int) st, (int)desc_len));
|
||||
if (st != B_OK)
|
||||
{
|
||||
free (rep_desc);
|
||||
return B_ERROR;
|
||||
}
|
||||
|
||||
/* save report descriptor for troubleshooting */
|
||||
|
||||
fd = open ("/tmp/rep_desc.bin", O_WRONLY | O_CREAT | O_TRUNC, 0644);
|
||||
if (fd >= 0)
|
||||
{
|
||||
write (fd, rep_desc, desc_len);
|
||||
close (fd);
|
||||
}
|
||||
|
||||
/* XXX check application type */
|
||||
/* Generic Desktop : Joystick or Game Pad */
|
||||
/* or SideWinder Strategic Commander */
|
||||
|
||||
if (memcmp (rep_desc, "\x05\x01\x09\x04", 4) != 0 &&
|
||||
memcmp (rep_desc, "\x05\x01\x09\x05", 4) != 0 &&
|
||||
memcmp (rep_desc, "\x05\x01\x09\x00", 4) != 0)
|
||||
{
|
||||
DPRINTF_INFO ((MY_ID "not a game controller\n"));
|
||||
free (rep_desc);
|
||||
return B_ERROR;
|
||||
}
|
||||
|
||||
/* configuration */
|
||||
|
||||
if ((st = usb->set_configuration (dev, conf)) != B_OK)
|
||||
{
|
||||
DPRINTF_ERR ((MY_ID "set_configuration() failed %d\n", (int)st));
|
||||
free (rep_desc);
|
||||
return B_ERROR;
|
||||
}
|
||||
|
||||
if ((my_dev = create_device (dev, intf)) == NULL)
|
||||
{
|
||||
free (rep_desc);
|
||||
return B_ERROR;
|
||||
}
|
||||
|
||||
/* decompose report descriptor */
|
||||
|
||||
num_items = desc_len; /* XXX */
|
||||
items = malloc (sizeof (decomp_item) * num_items);
|
||||
assert (items != NULL);
|
||||
decompose_report_descriptor (rep_desc, desc_len, items, &num_items);
|
||||
free (rep_desc);
|
||||
|
||||
/* parse report descriptor */
|
||||
|
||||
my_dev->num_insns = num_items; /* XXX */
|
||||
my_dev->insns = malloc (sizeof (report_insn) * my_dev->num_insns);
|
||||
assert (my_dev->insns != NULL);
|
||||
parse_report_descriptor (items, num_items, my_dev->insns,
|
||||
&my_dev->num_insns, &my_dev->total_report_size, &report_id);
|
||||
free (items);
|
||||
realloc (my_dev->insns, sizeof (report_insn) * my_dev->num_insns);
|
||||
DPRINTF_INFO ((MY_ID "%d items, %d insns, %d bytes\n",
|
||||
(int)num_items, (int)my_dev->num_insns, (int)my_dev->total_report_size));
|
||||
|
||||
/* count axes, hats and buttons */
|
||||
|
||||
count_controls (my_dev->insns, my_dev->num_insns,
|
||||
&my_dev->num_axes, &my_dev->num_hats, &my_dev->num_buttons);
|
||||
DPRINTF_INFO ((MY_ID "%d axes, %d hats, %d buttons\n",
|
||||
my_dev->num_axes, my_dev->num_hats, my_dev->num_buttons));
|
||||
if (my_dev->num_axes > MAX_AXES)
|
||||
my_dev->num_axes = MAX_AXES;
|
||||
if (my_dev->num_buttons > MAX_BUTTONS)
|
||||
my_dev->num_buttons = MAX_BUTTONS;
|
||||
if (my_dev->num_hats > MAX_HATS)
|
||||
my_dev->num_hats = MAX_HATS;
|
||||
|
||||
/* lookup driver settings */
|
||||
|
||||
my_dev->prod_info = &prod_info [0]; /* default mapping */
|
||||
for (i = 0; i < num_prod_info; i++)
|
||||
{
|
||||
const product_info *p = &prod_info [i + 1];
|
||||
if (p->vendor_id == dev_desc->vendor_id &&
|
||||
p->product_id == dev_desc->product_id)
|
||||
{
|
||||
my_dev->prod_info = p;
|
||||
DPRINTF_INFO ((MY_ID "settings found for 0x%04x 0x%04x\n",
|
||||
p->vendor_id, p->product_id));
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* XXX */
|
||||
if (dev_desc->vendor_id == USB_VID_MICROSOFT)
|
||||
{
|
||||
DPRINTF_INFO ((MY_ID "Microsoft product\n"));
|
||||
my_dev->flags = FLAG_FORCE_SIGNED;
|
||||
}
|
||||
|
||||
/* get initial state */
|
||||
|
||||
st = usb->send_request (dev,
|
||||
USB_REQTYPE_INTERFACE_IN | USB_REQTYPE_CLASS,
|
||||
USB_REQUEST_HID_GET_REPORT,
|
||||
0x0100 | report_id, ifno, my_dev->total_report_size,
|
||||
my_dev->buffer, &actual);
|
||||
if (st == B_OK)
|
||||
my_dev->buffer_valid = true;
|
||||
else
|
||||
DPRINTF_ERR ((MY_ID "Get_Report failed %d\n", (int)st));
|
||||
my_dev->timestamp = system_time ();
|
||||
|
||||
/* issue interrupt transfer */
|
||||
|
||||
my_dev->ept = &intf->endpoint [0]; /* interrupt IN */
|
||||
st = usb->queue_interrupt (my_dev->ept->handle, my_dev->buffer,
|
||||
my_dev->total_report_size, usb_callback, my_dev);
|
||||
if (st != B_OK)
|
||||
{
|
||||
DPRINTF_ERR ((MY_ID "queue_interrupt() error %d\n", (int)st));
|
||||
return B_ERROR;
|
||||
}
|
||||
|
||||
/* create a port */
|
||||
|
||||
add_device_info (my_dev);
|
||||
|
||||
*cookie = my_dev;
|
||||
DPRINTF_INFO ((MY_ID "added %d\n", my_dev->number));
|
||||
|
||||
return B_OK;
|
||||
}
|
||||
|
||||
static status_t my_device_removed (void *cookie)
|
||||
{
|
||||
my_device_info *my_dev = cookie;
|
||||
|
||||
assert (cookie != NULL);
|
||||
|
||||
DPRINTF_INFO ((MY_ID "device_removed(%d)\n", my_dev->number));
|
||||
usb->cancel_queued_transfers (my_dev->ept->handle);
|
||||
remove_device_info (my_dev);
|
||||
if (my_dev->open == 0)
|
||||
{
|
||||
if (my_dev->insns != NULL)
|
||||
free (my_dev->insns);
|
||||
remove_device (my_dev);
|
||||
}
|
||||
else
|
||||
{
|
||||
DPRINTF_INFO ((MY_ID "%s%d still open\n", my_base_name, my_dev->number));
|
||||
my_dev->active = false;
|
||||
}
|
||||
return B_OK;
|
||||
}
|
||||
|
||||
static usb_notify_hooks my_notify_hooks =
|
||||
{
|
||||
my_device_added, my_device_removed
|
||||
};
|
||||
|
||||
#define SUPPORTED_DEVICES 1
|
||||
usb_support_descriptor my_supported_devices [SUPPORTED_DEVICES] =
|
||||
{
|
||||
{ USB_CLASS_HID, 0, 0, 0, 0 },
|
||||
};
|
||||
|
||||
|
||||
/* ----------
|
||||
my_device_open - handle open() calls
|
||||
----- */
|
||||
|
||||
static status_t my_device_open
|
||||
(const char *name,
|
||||
uint32 flags,
|
||||
driver_cookie **out_cookie)
|
||||
{
|
||||
driver_cookie *cookie;
|
||||
my_device_info *my_dev;
|
||||
int number;
|
||||
const char *p;
|
||||
|
||||
assert (name != NULL);
|
||||
assert (out_cookie != NULL);
|
||||
DPRINTF_INFO ((MY_ID "open(%s)\n", name));
|
||||
|
||||
if (strlen (name) < strlen (my_base_name) + 1) /* "0" */
|
||||
return B_ENTRY_NOT_FOUND;
|
||||
p = &name [strlen (my_base_name)];
|
||||
number = atoi (p);
|
||||
|
||||
if ((my_dev = search_device_info (number)) == NULL)
|
||||
return B_ENTRY_NOT_FOUND;
|
||||
if ((cookie = malloc (sizeof (driver_cookie))) == NULL)
|
||||
return B_NO_MEMORY;
|
||||
|
||||
acquire_sem (my_dev->sem_lock);
|
||||
cookie->enhanced = false;
|
||||
cookie->my_dev = my_dev;
|
||||
cookie->next = my_dev->open_fds;
|
||||
my_dev->open_fds = cookie;
|
||||
my_dev->open++;
|
||||
release_sem (my_dev->sem_lock);
|
||||
|
||||
*out_cookie = cookie;
|
||||
DPRINTF_INFO ((MY_ID "device %d open (%d)\n", number, my_dev->open));
|
||||
return B_OK;
|
||||
}
|
||||
|
||||
/*
|
||||
interpret input report
|
||||
*/
|
||||
|
||||
static int sign_extend
|
||||
(int value,
|
||||
int size)
|
||||
{
|
||||
if (value & (1 << (size - 1)))
|
||||
return value | (UINT_MAX << size);
|
||||
else
|
||||
return value;
|
||||
}
|
||||
|
||||
static void interpret_report
|
||||
(uint8 *report,
|
||||
size_t total_report_size,
|
||||
const report_insn *insns,
|
||||
size_t num_insns,
|
||||
const product_info *prod_info,
|
||||
uint flags,
|
||||
extended_joystick *joy_data)
|
||||
{
|
||||
int i, j, axis_idx, hat_idx;
|
||||
|
||||
assert (report != NULL);
|
||||
assert (insns != NULL);
|
||||
assert (prod_info != NULL);
|
||||
assert (joy_data != NULL);
|
||||
|
||||
report [total_report_size] = 0; /* guard */
|
||||
joy_data->axes [0] = 0; /* X and Y axes are handled specially */
|
||||
joy_data->axes [1] = 0;
|
||||
axis_idx = 2;
|
||||
hat_idx = 0;
|
||||
joy_data->buttons = 0;
|
||||
for (i = 0; i < num_insns; i++)
|
||||
{
|
||||
const report_insn *insn = &insns [i];
|
||||
int32 value =
|
||||
(((report [insn->byte_idx + 1] << 8) |
|
||||
report [insn->byte_idx]) >> insn->bit_pos)
|
||||
& ((1 << insn->num_bits) - 1);
|
||||
int32 range;
|
||||
|
||||
switch (insn->ctrl_type)
|
||||
{
|
||||
case TYPE_BUTTON:
|
||||
if (insn->attributes & 2) /* variable */
|
||||
{
|
||||
if (insn->usage.id_min - 1 < MAX_BUTTONS)
|
||||
joy_data->buttons |=
|
||||
(value & 1) << prod_info->button_tbl [insn->usage.id_min - 1];
|
||||
}
|
||||
else
|
||||
{
|
||||
value = value - insn->log_min + insn->usage.id_min;
|
||||
if (value - 1 < MAX_BUTTONS)
|
||||
joy_data->buttons |= 1 << prod_info->button_tbl [value - 1];
|
||||
}
|
||||
break;
|
||||
|
||||
case TYPE_AXIS_X:
|
||||
case TYPE_AXIS_Y:
|
||||
case TYPE_AXIS:
|
||||
/*
|
||||
literal values returned by device should be bound by
|
||||
logical min/max, but actually physical min/max
|
||||
in case of game controllers
|
||||
*/
|
||||
if (insn->is_phy_signed)
|
||||
{
|
||||
/* rarely */
|
||||
range = insn->signed_phy_max - insn->signed_phy_min + 1;
|
||||
value = sign_extend (value, insn->num_bits);
|
||||
}
|
||||
else
|
||||
{
|
||||
range = insn->phy_max - insn->phy_min + 1;
|
||||
if ((flags & FLAG_FORCE_SIGNED) && insn->is_log_signed)
|
||||
/* MS SideWinder GamePad Pro, FreeStyle Pro,
|
||||
Strategic Commander */
|
||||
value = sign_extend (value, insn->num_bits);
|
||||
else
|
||||
/* most vendors, MS SideWinder USB GamePad,
|
||||
SideWinder Joystick */
|
||||
value -= range >> 1;
|
||||
}
|
||||
value = value * (AXIS_VALUE_MAX - AXIS_VALUE_MIN + 1) / range;
|
||||
switch (insn->ctrl_type)
|
||||
{
|
||||
case TYPE_AXIS_X: j = 0; break;
|
||||
case TYPE_AXIS_Y: j = 1; break;
|
||||
case TYPE_AXIS: j = axis_idx++; break;
|
||||
}
|
||||
joy_data->axes [prod_info->axis_tbl [j]] = value;
|
||||
break;
|
||||
|
||||
case TYPE_HAT:
|
||||
if (value < insn->log_min || insn->log_max < value)
|
||||
value = 0; /* null state */
|
||||
else
|
||||
{
|
||||
int num_pos = insn->log_max - insn->log_min + 1;
|
||||
value -= insn->log_min;
|
||||
switch (num_pos)
|
||||
{
|
||||
case 4:
|
||||
/* 4-pos (0,1,2,3) to 8-pos (0,2,4,6) */
|
||||
value <<= 1;
|
||||
break;
|
||||
case 8:
|
||||
/* do nothing */
|
||||
break;
|
||||
default:
|
||||
/* XXX */
|
||||
DPRINTF_ERR ((MY_ID "%d-position hat unsupported\n", num_pos));
|
||||
break;
|
||||
}
|
||||
value++; /* 1 origin */
|
||||
}
|
||||
joy_data->hats [prod_info->hat_tbl [hat_idx++]] = value;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* ----------
|
||||
my_device_read - handle read() calls
|
||||
----- */
|
||||
|
||||
static status_t my_device_read
|
||||
(driver_cookie *cookie,
|
||||
off_t position,
|
||||
void *buf,
|
||||
size_t *num_bytes)
|
||||
{
|
||||
status_t err = B_ERROR;
|
||||
my_device_info *my_dev;
|
||||
extended_joystick joy_data;
|
||||
|
||||
assert (cookie != NULL);
|
||||
assert (buf != NULL);
|
||||
assert (num_bytes != NULL);
|
||||
my_dev = cookie->my_dev;
|
||||
assert (my_dev != NULL);
|
||||
// DPRINTF_INFO ((MY_ID "read(%d)\n", my_dev->number));
|
||||
|
||||
if (!my_dev->active)
|
||||
return B_ERROR; /* already unplugged */
|
||||
|
||||
memset (&joy_data, 0, sizeof (extended_joystick));
|
||||
if (my_dev->buffer_valid)
|
||||
{
|
||||
interpret_report (my_dev->buffer, my_dev->total_report_size,
|
||||
my_dev->insns, my_dev->num_insns,
|
||||
my_dev->prod_info, my_dev->flags, &joy_data);
|
||||
}
|
||||
|
||||
if (cookie->enhanced && *num_bytes >= sizeof (extended_joystick))
|
||||
{
|
||||
/* enhanced mode */
|
||||
joy_data.timestamp = my_dev->timestamp;
|
||||
memcpy (buf, &joy_data, sizeof (extended_joystick));
|
||||
*num_bytes = sizeof (extended_joystick);
|
||||
err = B_OK;
|
||||
}
|
||||
|
||||
if (!cookie->enhanced && *num_bytes >= sizeof (joystick))
|
||||
{
|
||||
/* standard mode */
|
||||
joystick std_joy_data;
|
||||
|
||||
std_joy_data.timestamp = my_dev->timestamp;
|
||||
std_joy_data.horizontal = joy_data.axes [0];
|
||||
std_joy_data.vertical = joy_data.axes [1];
|
||||
/* false if pressed */
|
||||
std_joy_data.button1 = (joy_data.buttons & 1) ? false : true;
|
||||
std_joy_data.button2 = (joy_data.buttons & 2) ? false : true;
|
||||
memcpy (buf, &std_joy_data, sizeof (joystick));
|
||||
*num_bytes = sizeof (joystick);
|
||||
err = B_OK;
|
||||
}
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
|
||||
/* ----------
|
||||
my_device_write - handle write() calls
|
||||
----- */
|
||||
|
||||
static status_t my_device_write
|
||||
(driver_cookie *cookie,
|
||||
off_t position,
|
||||
const void *buf,
|
||||
size_t *num_bytes)
|
||||
{
|
||||
return B_ERROR;
|
||||
}
|
||||
|
||||
/* ----------
|
||||
my_device_control - handle ioctl calls
|
||||
----- */
|
||||
|
||||
static status_t my_device_control
|
||||
(driver_cookie *cookie,
|
||||
uint32 op,
|
||||
void *arg,
|
||||
size_t len)
|
||||
{
|
||||
status_t err = B_ERROR;
|
||||
my_device_info *my_dev;
|
||||
|
||||
assert (cookie != NULL);
|
||||
my_dev = cookie->my_dev;
|
||||
assert (my_dev != NULL);
|
||||
DPRINTF_INFO ((MY_ID "ioctl(%u)\n", (int)op));
|
||||
|
||||
if (!my_dev->active)
|
||||
return B_ERROR; /* already unplugged */
|
||||
|
||||
switch (op)
|
||||
{
|
||||
case B_JOYSTICK_SET_DEVICE_MODULE:
|
||||
/* called by BJoystick, Joysticks pref */
|
||||
/*
|
||||
if this ioctl returns successfully,
|
||||
Joysticks preference assumes that
|
||||
the joystick product may be connected
|
||||
*/
|
||||
assert (arg != NULL);
|
||||
if (!cookie->enhanced &&
|
||||
strstr (((joystick_module_info*)arg)->device_name, "USB") != NULL) /* XXX */
|
||||
{
|
||||
cookie->joy_mod_info = *(joystick_module_info *)arg;
|
||||
|
||||
/* currently I don't use a joystick module */
|
||||
|
||||
/* set actual # of controls detected */
|
||||
/* this will be returned in B_JOYSTICK_GET_DEVICE_MODULE */
|
||||
cookie->joy_mod_info.num_axes = my_dev->num_axes;
|
||||
cookie->joy_mod_info.num_hats = my_dev->num_hats;
|
||||
cookie->joy_mod_info.num_buttons = my_dev->num_buttons;
|
||||
|
||||
/* enter enhanced mode */
|
||||
cookie->enhanced = true;
|
||||
err = B_OK;
|
||||
}
|
||||
break;
|
||||
|
||||
case B_JOYSTICK_GET_DEVICE_MODULE:
|
||||
/* return modified info */
|
||||
assert (arg != NULL);
|
||||
if (cookie->enhanced)
|
||||
{
|
||||
*(joystick_module_info *)arg = cookie->joy_mod_info;
|
||||
err = B_OK;
|
||||
}
|
||||
break;
|
||||
|
||||
case B_JOYSTICK_GET_SPEED_COMPENSATION:
|
||||
case B_JOYSTICK_SET_SPEED_COMPENSATION:
|
||||
case B_JOYSTICK_GET_MAX_LATENCY:
|
||||
case B_JOYSTICK_SET_MAX_LATENCY:
|
||||
case B_JOYSTICK_SET_RAW_MODE:
|
||||
default:
|
||||
/* not implemented */
|
||||
break;
|
||||
}
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
|
||||
/* ----------
|
||||
my_device_close - handle close() calls
|
||||
----- */
|
||||
|
||||
static status_t my_device_close
|
||||
(driver_cookie *cookie)
|
||||
{
|
||||
my_device_info *my_dev;
|
||||
|
||||
assert (cookie != NULL && cookie->my_dev != NULL);
|
||||
my_dev = cookie->my_dev;
|
||||
DPRINTF_INFO ((MY_ID "close(%d)\n", my_dev->number));
|
||||
|
||||
/* detach the cookie from list */
|
||||
|
||||
acquire_sem (my_dev->sem_lock);
|
||||
if (my_dev->open_fds == cookie)
|
||||
my_dev->open_fds = cookie->next;
|
||||
else
|
||||
{
|
||||
driver_cookie *p;
|
||||
for (p = my_dev->open_fds; p != NULL; p = p->next)
|
||||
{
|
||||
if (p->next == cookie)
|
||||
{
|
||||
p->next = cookie->next;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
--my_dev->open;
|
||||
release_sem (my_dev->sem_lock);
|
||||
|
||||
return B_OK;
|
||||
}
|
||||
|
||||
|
||||
/* -----
|
||||
my_device_free - called after the last device is closed, and after
|
||||
all i/o is complete.
|
||||
----- */
|
||||
static status_t my_device_free
|
||||
(driver_cookie *cookie)
|
||||
{
|
||||
my_device_info *my_dev;
|
||||
|
||||
assert (cookie != NULL && cookie->my_dev != NULL);
|
||||
my_dev = cookie->my_dev;
|
||||
DPRINTF_INFO ((MY_ID "free(%d)\n", my_dev->number));
|
||||
|
||||
free (cookie);
|
||||
if (my_dev->open > 0)
|
||||
DPRINTF_INFO ((MY_ID "%d opens left\n", my_dev->open));
|
||||
else if (!my_dev->active)
|
||||
{
|
||||
DPRINTF_INFO ((MY_ID "removed %d\n", my_dev->number));
|
||||
if (my_dev->insns != NULL)
|
||||
free (my_dev->insns);
|
||||
remove_device (my_dev);
|
||||
}
|
||||
|
||||
return B_OK;
|
||||
}
|
||||
|
||||
|
||||
/* -----
|
||||
function pointers for the device hooks entry points
|
||||
----- */
|
||||
|
||||
static device_hooks my_device_hooks = {
|
||||
(device_open_hook) my_device_open,
|
||||
(device_close_hook) my_device_close,
|
||||
(device_free_hook) my_device_free,
|
||||
(device_control_hook) my_device_control,
|
||||
(device_read_hook) my_device_read,
|
||||
(device_write_hook) my_device_write,
|
||||
NULL, NULL, NULL, NULL
|
||||
};
|
||||
|
||||
|
||||
/* ----------
|
||||
init_hardware - called once the first time the driver is loaded
|
||||
----- */
|
||||
_EXPORT status_t init_hardware (void)
|
||||
{
|
||||
DPRINTF_INFO ((MY_ID "init_hardware() " __DATE__ " " __TIME__ "\n"));
|
||||
return B_OK;
|
||||
}
|
||||
|
||||
/* ----------
|
||||
init_driver - optional function - called every time the driver
|
||||
is loaded.
|
||||
----- */
|
||||
_EXPORT status_t init_driver (void)
|
||||
{
|
||||
|
||||
DPRINTF_INFO ((MY_ID "init_driver() " __DATE__ " " __TIME__ "\n"));
|
||||
|
||||
if (get_module (B_USB_MODULE_NAME, (module_info **) &usb) != B_OK)
|
||||
return B_ERROR;
|
||||
|
||||
if ((my_device_list_lock = create_sem (1, "dev_list_lock")) < 0)
|
||||
{
|
||||
put_module (B_USB_MODULE_NAME);
|
||||
return my_device_list_lock; /* error code */
|
||||
}
|
||||
|
||||
load_settings_file ();
|
||||
|
||||
usb->register_driver (my_driver_name, my_supported_devices,
|
||||
SUPPORTED_DEVICES, NULL);
|
||||
usb->install_notify (my_driver_name, &my_notify_hooks);
|
||||
DPRINTF_INFO ((MY_ID "init_driver() OK\n"));
|
||||
|
||||
return B_OK;
|
||||
}
|
||||
|
||||
|
||||
/* ----------
|
||||
uninit_driver - optional function - called every time the driver
|
||||
is unloaded
|
||||
----- */
|
||||
_EXPORT void uninit_driver (void)
|
||||
{
|
||||
DPRINTF_INFO ((MY_ID "uninit_driver()\n"));
|
||||
usb->uninstall_notify (my_driver_name);
|
||||
if (prod_info != NULL && num_prod_info > 0)
|
||||
free (prod_info);
|
||||
delete_sem (my_device_list_lock);
|
||||
put_module (B_USB_MODULE_NAME);
|
||||
free_device_names ();
|
||||
}
|
||||
|
||||
/*
|
||||
publish_devices
|
||||
device names are generated dynamically
|
||||
*/
|
||||
|
||||
_EXPORT const char **publish_devices (void)
|
||||
{
|
||||
DPRINTF_INFO ((MY_ID "publish_devices()\n"));
|
||||
|
||||
if (my_device_list_changed)
|
||||
{
|
||||
free_device_names ();
|
||||
alloc_device_names ();
|
||||
if (my_device_names != NULL)
|
||||
rebuild_device_names ();
|
||||
my_device_list_changed = false;
|
||||
}
|
||||
assert (my_device_names != NULL);
|
||||
return (const char **) my_device_names;
|
||||
}
|
||||
|
||||
/* ----------
|
||||
find_device - return ptr to device hooks structure for a
|
||||
given device name
|
||||
----- */
|
||||
|
||||
_EXPORT device_hooks *find_device
|
||||
(const char *name)
|
||||
{
|
||||
assert (name != NULL);
|
||||
DPRINTF_INFO ((MY_ID "find_device(%s)\n", name));
|
||||
if (strncmp (name, my_base_name, strlen (my_base_name)) != 0)
|
||||
return NULL;
|
||||
return &my_device_hooks;
|
||||
}
|
||||
|
||||
@@ -0,0 +1,147 @@
|
||||
/*
|
||||
USB joystick driver for BeOS R5
|
||||
Copyright 2000 (C) ITO, Takayuki
|
||||
All rights reserved
|
||||
*/
|
||||
|
||||
#include <KernelExport.h>
|
||||
#include <Drivers.h>
|
||||
#include <Errors.h>
|
||||
#include <USB3.h>
|
||||
#include <bus_manager.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include "joystick_driver.h"
|
||||
#include "hidparse.h"
|
||||
|
||||
/* HID class-specific definitions */
|
||||
|
||||
#define USB_CLASS_HID 3
|
||||
|
||||
#define USB_DESCRIPTOR_HID 0x21
|
||||
#define USB_DESCRIPTOR_HID_REPORT 0x22
|
||||
|
||||
#define USB_REQUEST_HID_GET_REPORT 0x01
|
||||
|
||||
typedef struct
|
||||
{
|
||||
uint8 length;
|
||||
uint8 descriptor_type;
|
||||
uint16 hid_version;
|
||||
uint8 country_code;
|
||||
uint8 num_descriptors;
|
||||
struct
|
||||
{
|
||||
uint8 descriptor_type;
|
||||
uint16 descriptor_length;
|
||||
} _PACKED descriptor_info [1];
|
||||
} _PACKED usb_hid_descriptor;
|
||||
|
||||
/* driver specific definitions */
|
||||
|
||||
#define DRIVER_NAME "usb_joy"
|
||||
|
||||
#define MY_ID "\033[34m" DRIVER_NAME ":\033[m "
|
||||
#define MY_ERR "\033[31merror:\033[m "
|
||||
#define MY_WARN "\033[31mwarning:\033[m "
|
||||
#define assert(x) \
|
||||
((x) ? 0 : dprintf (MY_ID "assertion failed at " __FILE__ ", line %d\n", __LINE__))
|
||||
|
||||
/* 0-origin */
|
||||
#define DEFAULT_CONFIGURATION 0
|
||||
|
||||
#define BUF_SIZ B_PAGE_SIZE
|
||||
|
||||
struct driver_cookie;
|
||||
|
||||
/* read from driver settings file */
|
||||
typedef struct product_info {
|
||||
uint16 vendor_id, product_id;
|
||||
int8 axis_tbl [MAX_AXES];
|
||||
int8 hat_tbl [MAX_HATS];
|
||||
int8 button_tbl [MAX_BUTTONS];
|
||||
} product_info;
|
||||
|
||||
#define FLAG_FORCE_SIGNED 1
|
||||
|
||||
typedef struct my_device_info
|
||||
{
|
||||
/* list structure */
|
||||
struct my_device_info *next;
|
||||
|
||||
/* maintain device */
|
||||
sem_id sem_cb;
|
||||
sem_id sem_lock;
|
||||
area_id buffer_area;
|
||||
void *buffer;
|
||||
bool buffer_valid;
|
||||
|
||||
const usb_device *dev;
|
||||
int number;
|
||||
|
||||
bool active;
|
||||
int open;
|
||||
struct driver_cookie *open_fds;
|
||||
|
||||
/* workarea for transfer */
|
||||
int usbd_status, bus_status, cmd_status;
|
||||
int actual_length;
|
||||
const usb_endpoint_info *ept;
|
||||
|
||||
report_insn *insns;
|
||||
size_t num_insns;
|
||||
size_t total_report_size;
|
||||
int num_buttons, num_axes, num_hats;
|
||||
bigtime_t timestamp;
|
||||
const product_info *prod_info;
|
||||
uint flags;
|
||||
} my_device_info;
|
||||
|
||||
/* driver.c */
|
||||
|
||||
extern usb_module_info *usb;
|
||||
extern const char *my_driver_name;
|
||||
extern const char *my_base_name;
|
||||
|
||||
/* devmgmt.c */
|
||||
|
||||
my_device_info *
|
||||
create_device (const usb_device *dev, const usb_interface_info *ii);
|
||||
|
||||
void
|
||||
remove_device (my_device_info *my_dev);
|
||||
|
||||
/* devlist.c */
|
||||
|
||||
extern sem_id my_device_list_lock;
|
||||
extern bool my_device_list_changed;
|
||||
|
||||
void add_device_info (my_device_info *my_dev);
|
||||
void remove_device_info (my_device_info *my_dev);
|
||||
my_device_info *search_device_info (int number);
|
||||
|
||||
extern char **my_device_names;
|
||||
|
||||
void alloc_device_names (void);
|
||||
void free_device_names (void);
|
||||
void rebuild_device_names (void);
|
||||
|
||||
/* usb_raw.c */
|
||||
|
||||
status_t
|
||||
do_control (my_device_info *my_dev, int request_type, int request,
|
||||
int value, int index, size_t length, void *buf);
|
||||
|
||||
status_t
|
||||
do_bulk_sg (my_device_info *my_dev, const usb_endpoint_info *ept,
|
||||
const iovec *vec, size_t vecsiz, size_t length);
|
||||
|
||||
status_t
|
||||
do_bulk (my_device_info *my_dev, const usb_endpoint_info *ept,
|
||||
void *buf, size_t length);
|
||||
|
||||
status_t
|
||||
do_interrupt (my_device_info *my_dev, const usb_endpoint_info *ept,
|
||||
void *buf, size_t length);
|
||||
|
||||
@@ -0,0 +1,484 @@
|
||||
/*
|
||||
HID parser
|
||||
Copyright 2000 (C) ITO, Takayuki
|
||||
All rights reserved
|
||||
|
||||
platform independent
|
||||
*/
|
||||
|
||||
#include <stdlib.h>
|
||||
#include "hidparse.h"
|
||||
|
||||
/*
|
||||
decompose report descriptor into array of uniform structure
|
||||
*/
|
||||
|
||||
int decompose_report_descriptor
|
||||
(const unsigned char *desc,
|
||||
size_t desc_len,
|
||||
decomp_item *items,
|
||||
size_t *num_items)
|
||||
{
|
||||
int desc_idx, item_idx;
|
||||
static int item_size [4] = { 0, 1, 2, 4 };
|
||||
|
||||
if (desc == NULL || items == NULL || num_items == NULL ||
|
||||
desc_len <= 0 || *num_items <= 0)
|
||||
return FAILURE;
|
||||
|
||||
/* process one item per loop */
|
||||
for (desc_idx = item_idx = 0;
|
||||
desc_idx < desc_len && item_idx < *num_items;
|
||||
item_idx++)
|
||||
{
|
||||
item_prefix pfx;
|
||||
int size;
|
||||
unsigned short value16;
|
||||
unsigned char value8;
|
||||
|
||||
decomp_item *item = &items [item_idx];
|
||||
item->offset = desc_idx;
|
||||
item->prefix = pfx.i = desc [desc_idx++];
|
||||
item->type = pfx.b.bType;
|
||||
|
||||
if (pfx.i == LONG_ITEM_PREFIX)
|
||||
{
|
||||
/* XXX no long item support */
|
||||
item->size = desc [desc_idx++];
|
||||
item->tag = desc [desc_idx++];
|
||||
item->value = item->signed_value = 0;
|
||||
desc_idx += item->size;
|
||||
continue;
|
||||
}
|
||||
|
||||
item->size = size = item_size [pfx.b.bSize];
|
||||
item->tag = pfx.b.bTag;
|
||||
|
||||
switch (size)
|
||||
{
|
||||
case 4:
|
||||
item->signed_value =
|
||||
item->value =
|
||||
((unsigned long) desc [desc_idx + 3] << 24) |
|
||||
((unsigned long) desc [desc_idx + 2] << 16) |
|
||||
( desc [desc_idx + 1] << 8) |
|
||||
desc [desc_idx ];
|
||||
break;
|
||||
case 2:
|
||||
value16 = (desc [desc_idx + 1] << 8) | desc [desc_idx];
|
||||
item->value = value16;
|
||||
item->signed_value = (signed short) value16;
|
||||
break;
|
||||
case 1:
|
||||
value8 = desc [desc_idx];
|
||||
item->value = value8;
|
||||
item->signed_value = (signed char) value8;
|
||||
break;
|
||||
case 0:
|
||||
item->value = item->signed_value = 0;
|
||||
break;
|
||||
}
|
||||
|
||||
desc_idx += size;
|
||||
}
|
||||
|
||||
*num_items = item_idx;
|
||||
return SUCCESS;
|
||||
}
|
||||
|
||||
/*
|
||||
parse decomposed items and generate "instructions" to interpret a report
|
||||
|
||||
limitations:
|
||||
only frequently used items are supported
|
||||
only first collection is used
|
||||
report ID is abandoned
|
||||
output/feature reports are not implemented
|
||||
*/
|
||||
|
||||
#ifndef min
|
||||
#define min(a,b) ((a)<(b)?(a):(b))
|
||||
#endif
|
||||
|
||||
int parse_report_descriptor
|
||||
(const decomp_item *items,
|
||||
size_t num_items,
|
||||
report_insn *insns,
|
||||
size_t *num_insns,
|
||||
size_t *total_report_size,
|
||||
int *first_report_id)
|
||||
{
|
||||
#define ITEM_STACK_SIZE 32
|
||||
#define USAGE_QUEUE_SIZE 256
|
||||
|
||||
/* global items */
|
||||
typedef struct global_items
|
||||
{
|
||||
unsigned int usage_page;
|
||||
BOOL is_log_signed, is_phy_signed;
|
||||
unsigned long log_max, log_min,
|
||||
phy_max, phy_min;
|
||||
signed long signed_log_max, signed_log_min,
|
||||
signed_phy_max, signed_phy_min;
|
||||
int report_size, report_id, report_count;
|
||||
} global_items;
|
||||
|
||||
global_items item_state, item_stack [ITEM_STACK_SIZE];
|
||||
usage_range usage_queue [USAGE_QUEUE_SIZE];
|
||||
int item_sp = ITEM_STACK_SIZE, usage_qhead = 0, usage_qtail = 0;
|
||||
|
||||
/* local items */
|
||||
// unsigned int usage_id, usage_min, usage_max;
|
||||
|
||||
int bit_pos = 0, byte_idx = 0, insn_idx, item_idx, i, collection = 0;
|
||||
|
||||
if (items == NULL || insns == NULL || num_insns == NULL ||
|
||||
*num_insns <= 0 || num_items <= 0)
|
||||
return FAILURE;
|
||||
|
||||
memset (&item_state, 0, sizeof (item_state));
|
||||
|
||||
/* interpret one item per loop */
|
||||
for (insn_idx = item_idx = 0;
|
||||
item_idx < num_items && insn_idx < *num_insns;
|
||||
item_idx++)
|
||||
{
|
||||
const decomp_item *item = &items [item_idx];
|
||||
report_insn *insn = &insns [insn_idx];
|
||||
int tag = item->tag;
|
||||
switch (item->type)
|
||||
{
|
||||
case ITEM_TYPE_MAIN:
|
||||
switch (tag)
|
||||
{
|
||||
case ITEM_TAG_INPUT:
|
||||
for (i = 0; i < item_state.report_count && insn_idx < *num_insns; i++)
|
||||
{
|
||||
if ((item->value & 1) == 0) /* data */
|
||||
{
|
||||
if (item->value & 2) /* variable */
|
||||
{
|
||||
if (usage_qhead < usage_qtail)
|
||||
{
|
||||
usage_range *u = &usage_queue [usage_qhead];
|
||||
insn->usage.page = u->page;
|
||||
insn->usage.id_min =
|
||||
insn->usage.id_max = u->id_min;
|
||||
if (u->id_min < u->id_max)
|
||||
u->id_min++;
|
||||
else
|
||||
usage_qhead++;
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
XXX
|
||||
usages are fewer than report count
|
||||
queue exhausted: repeat last values
|
||||
*/
|
||||
usage_range *u = &usage_queue [usage_qhead - 1];
|
||||
insn->usage.page = u->page;
|
||||
insn->usage.id_min =
|
||||
insn->usage.id_max = u->id_min;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (usage_qhead < usage_qtail)
|
||||
{
|
||||
usage_range *u = &usage_queue [usage_qhead];
|
||||
if (u->id_min < u->id_max)
|
||||
{
|
||||
/* usage min / max */
|
||||
insn->usage = *u;
|
||||
usage_qhead++;
|
||||
}
|
||||
else
|
||||
{
|
||||
/*
|
||||
XXX
|
||||
sequence of usage IDs
|
||||
assume currently queued IDs are continuous
|
||||
and use all of them
|
||||
*/
|
||||
insn->usage.page = u->page;
|
||||
insn->usage.id_min = u->id_min;
|
||||
insn->usage.id_max = usage_queue [usage_qtail - 1].id_max;
|
||||
usage_qhead = usage_qtail = 0;
|
||||
}
|
||||
}
|
||||
/*
|
||||
XXX
|
||||
queue exhausted
|
||||
*/
|
||||
}
|
||||
|
||||
insn->attributes = item->value;
|
||||
|
||||
insn->is_log_signed = item_state.is_log_signed;
|
||||
if (item_state.is_log_signed)
|
||||
{
|
||||
insn->signed_log_min = item_state.signed_log_min;
|
||||
insn->signed_log_max = item_state.signed_log_max;
|
||||
}
|
||||
else
|
||||
{
|
||||
insn->log_min = item_state.log_min;
|
||||
insn->log_max = item_state.log_max;
|
||||
}
|
||||
|
||||
insn->is_phy_signed = item_state.is_phy_signed;
|
||||
if (item_state.is_phy_signed)
|
||||
{
|
||||
insn->signed_phy_min = item_state.signed_phy_min;
|
||||
insn->signed_phy_max = item_state.signed_phy_max;
|
||||
}
|
||||
else
|
||||
{
|
||||
insn->phy_min = item_state.phy_min;
|
||||
insn->phy_max = item_state.phy_max;
|
||||
}
|
||||
|
||||
insn->byte_idx = byte_idx;
|
||||
insn->bit_pos = bit_pos;
|
||||
insn->num_bits = item_state.report_size;
|
||||
|
||||
insn++;
|
||||
insn_idx++;
|
||||
}
|
||||
|
||||
/* to next bit-field */
|
||||
bit_pos += item_state.report_size;
|
||||
if (bit_pos >= 8)
|
||||
{
|
||||
byte_idx += bit_pos / 8;
|
||||
bit_pos = bit_pos % 8;
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case ITEM_TAG_OUTPUT:
|
||||
/* XXX similar to input */
|
||||
break;
|
||||
case ITEM_TAG_COLLECTION:
|
||||
collection++;
|
||||
// XXX
|
||||
usage_qhead = usage_qtail = 0;
|
||||
break;
|
||||
case ITEM_TAG_FEATURE:
|
||||
/* XXX similar to input */
|
||||
break;
|
||||
case ITEM_TAG_END_COLLECTION:
|
||||
if (--collection == 0)
|
||||
/* exit at end of first collection */
|
||||
goto end;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
case ITEM_TYPE_GLOBAL:
|
||||
switch (tag)
|
||||
{
|
||||
case ITEM_TAG_USAGE_PAGE:
|
||||
item_state.usage_page = item->value;
|
||||
break;
|
||||
case ITEM_TAG_LOGICAL_MINIMUM:
|
||||
item_state.log_min = item->value;
|
||||
item_state.signed_log_min = item->signed_value;
|
||||
/* FALLTHROUGH */
|
||||
case ITEM_TAG_PHYSICAL_MINIMUM:
|
||||
item_state.phy_min = item->value;
|
||||
item_state.signed_phy_min = item->signed_value;
|
||||
break;
|
||||
case ITEM_TAG_LOGICAL_MAXIMUM:
|
||||
item_state.log_max = item->value;
|
||||
item_state.signed_log_max = item->signed_value;
|
||||
item_state.is_log_signed = item_state.log_min > item_state.log_max;
|
||||
/* FALLTHROUGH */
|
||||
case ITEM_TAG_PHYSICAL_MAXIMUM:
|
||||
item_state.phy_max = item->value;
|
||||
item_state.signed_phy_max = item->signed_value;
|
||||
item_state.is_phy_signed = item_state.phy_min > item_state.phy_max;
|
||||
break;
|
||||
case ITEM_TAG_UNIT_EXPONENT:
|
||||
break;
|
||||
case ITEM_TAG_UNIT:
|
||||
break;
|
||||
case ITEM_TAG_REPORT_SIZE:
|
||||
item_state.report_size = item->value;
|
||||
break;
|
||||
case ITEM_TAG_REPORT_ID:
|
||||
/* FIXME */
|
||||
if (item_state.report_id == 0)
|
||||
{
|
||||
item_state.report_id = item->value;
|
||||
byte_idx++;
|
||||
}
|
||||
else
|
||||
goto end;
|
||||
break;
|
||||
case ITEM_TAG_REPORT_COUNT:
|
||||
item_state.report_count = item->value;
|
||||
break;
|
||||
case ITEM_TAG_PUSH:
|
||||
if (item_sp > 0)
|
||||
item_stack [--item_sp] = item_state;
|
||||
break;
|
||||
case ITEM_TAG_POP:
|
||||
if (item_sp < ITEM_STACK_SIZE)
|
||||
item_state = item_stack [item_sp++];
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
case ITEM_TYPE_LOCAL:
|
||||
switch (tag)
|
||||
{
|
||||
case ITEM_TAG_USAGE:
|
||||
/* can be sequentially used */
|
||||
/* XXX should be limited to "practical" usages */
|
||||
/* XXX should support extended (32-bit) usage */
|
||||
if (usage_qtail < USAGE_QUEUE_SIZE)
|
||||
{
|
||||
usage_queue [usage_qtail].page = item_state.usage_page;
|
||||
usage_queue [usage_qtail].id_min =
|
||||
usage_queue [usage_qtail].id_max = item->value;
|
||||
usage_qtail++;
|
||||
}
|
||||
break;
|
||||
case ITEM_TAG_USAGE_MINIMUM:
|
||||
#if 0
|
||||
usage_min = item->value;
|
||||
#endif
|
||||
if (usage_qtail < USAGE_QUEUE_SIZE)
|
||||
{
|
||||
usage_queue [usage_qtail].page = item_state.usage_page;
|
||||
usage_queue [usage_qtail].id_min = item->value;
|
||||
}
|
||||
break;
|
||||
case ITEM_TAG_USAGE_MAXIMUM:
|
||||
#if 0
|
||||
usage_max = item->value;
|
||||
#endif
|
||||
if (usage_qtail < USAGE_QUEUE_SIZE)
|
||||
{
|
||||
usage_queue [usage_qtail].id_max = item->value;
|
||||
usage_qtail++;
|
||||
}
|
||||
break;
|
||||
case ITEM_TAG_DESIGNATOR_INDEX:
|
||||
break;
|
||||
case ITEM_TAG_DESIGNATOR_MINIMUM:
|
||||
break;
|
||||
case ITEM_TAG_DESIGNATOR_MAXIMUM:
|
||||
break;
|
||||
case ITEM_TAG_STRING_INDEX:
|
||||
break;
|
||||
case ITEM_TAG_STRING_MINIMUM:
|
||||
break;
|
||||
case ITEM_TAG_STRING_MAXIMUM:
|
||||
break;
|
||||
case ITEM_TAG_DELIMITER:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
end:
|
||||
*num_insns = insn_idx;
|
||||
if (total_report_size != NULL)
|
||||
*total_report_size = byte_idx;
|
||||
if (first_report_id != NULL)
|
||||
*first_report_id = item_state.report_id;
|
||||
return SUCCESS;
|
||||
}
|
||||
|
||||
/*
|
||||
designed for game controllers
|
||||
*/
|
||||
|
||||
int count_controls
|
||||
(report_insn *insns,
|
||||
size_t num_insns,
|
||||
int *num_axes,
|
||||
int *num_hats,
|
||||
int *num_buttons)
|
||||
{
|
||||
int insn_idx, hats = 0, buttons = 0,
|
||||
axes = 2; /* X and Y axes are reserved */
|
||||
|
||||
if (insns == NULL || num_insns <= 0)
|
||||
return FAILURE;
|
||||
|
||||
for (insn_idx = 0; insn_idx < num_insns; insn_idx++)
|
||||
{
|
||||
report_insn *insn = &insns [insn_idx];
|
||||
insn->ctrl_type = TYPE_NONE;
|
||||
switch (insn->usage.page)
|
||||
{
|
||||
case USAGE_PAGE_GENERIC_DESKTOP:
|
||||
switch (insn->usage.id_min)
|
||||
{
|
||||
case USAGE_ID_X:
|
||||
insn->ctrl_type = TYPE_AXIS_X;
|
||||
break;
|
||||
|
||||
case USAGE_ID_Y:
|
||||
insn->ctrl_type = TYPE_AXIS_Y;
|
||||
break;
|
||||
|
||||
case USAGE_ID_Z:
|
||||
case USAGE_ID_RX:
|
||||
case USAGE_ID_RY:
|
||||
case USAGE_ID_RZ:
|
||||
case USAGE_ID_SLIDER:
|
||||
case USAGE_ID_DIAL:
|
||||
case USAGE_ID_WHEEL:
|
||||
axes++;
|
||||
insn->ctrl_type = TYPE_AXIS;
|
||||
break;
|
||||
|
||||
case USAGE_ID_HAT_SWITCH:
|
||||
hats++;
|
||||
insn->ctrl_type = TYPE_HAT;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
case USAGE_PAGE_SIMULATION:
|
||||
switch (insn->usage.id_min)
|
||||
{
|
||||
case USAGE_ID_RUDDER:
|
||||
case USAGE_ID_THROTTLE:
|
||||
axes++;
|
||||
insn->ctrl_type = TYPE_AXIS;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
case USAGE_PAGE_BUTTONS:
|
||||
if (insn->attributes & 2)
|
||||
{
|
||||
buttons++;
|
||||
}
|
||||
else
|
||||
{
|
||||
buttons += insn->log_max - insn->log_min + 1;
|
||||
}
|
||||
insn->ctrl_type = TYPE_BUTTON;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (num_axes != NULL)
|
||||
*num_axes = axes;
|
||||
if (num_hats != NULL)
|
||||
*num_hats = hats;
|
||||
if (num_buttons != NULL)
|
||||
*num_buttons = buttons;
|
||||
return SUCCESS;
|
||||
}
|
||||
|
||||
@@ -0,0 +1,204 @@
|
||||
/*
|
||||
HID parser
|
||||
Copyright 2000 (C) ITO, Takayuki
|
||||
All rights reserved
|
||||
*/
|
||||
|
||||
#include <sys/types.h>
|
||||
|
||||
#define SUCCESS 0
|
||||
#define FAILURE (-1)
|
||||
|
||||
#define BOOL int
|
||||
#define TRUE 1
|
||||
#define FALSE 0
|
||||
|
||||
/*
|
||||
Report Descriptor Items
|
||||
see
|
||||
5.3 Generic Item Format
|
||||
6.2.2 Report Descriptor
|
||||
8. Report Protocol
|
||||
*/
|
||||
|
||||
enum
|
||||
{
|
||||
ITEM_SIZE_0,
|
||||
ITEM_SIZE_1,
|
||||
ITEM_SIZE_2, /* long item */
|
||||
ITEM_SIZE_4,
|
||||
};
|
||||
|
||||
enum
|
||||
{
|
||||
ITEM_TYPE_MAIN,
|
||||
ITEM_TYPE_GLOBAL,
|
||||
ITEM_TYPE_LOCAL,
|
||||
ITEM_TYPE_RESERVED, /* long item */
|
||||
};
|
||||
|
||||
enum
|
||||
{
|
||||
/* main items */
|
||||
ITEM_TAG_INPUT = 8,
|
||||
ITEM_TAG_OUTPUT,
|
||||
ITEM_TAG_COLLECTION,
|
||||
ITEM_TAG_FEATURE,
|
||||
ITEM_TAG_END_COLLECTION,
|
||||
|
||||
/* global items */
|
||||
ITEM_TAG_USAGE_PAGE = 0,
|
||||
ITEM_TAG_LOGICAL_MINIMUM,
|
||||
ITEM_TAG_LOGICAL_MAXIMUM,
|
||||
ITEM_TAG_PHYSICAL_MINIMUM,
|
||||
ITEM_TAG_PHYSICAL_MAXIMUM,
|
||||
ITEM_TAG_UNIT_EXPONENT,
|
||||
ITEM_TAG_UNIT,
|
||||
ITEM_TAG_REPORT_SIZE,
|
||||
ITEM_TAG_REPORT_ID,
|
||||
ITEM_TAG_REPORT_COUNT,
|
||||
ITEM_TAG_PUSH,
|
||||
ITEM_TAG_POP,
|
||||
|
||||
/* local items */
|
||||
ITEM_TAG_USAGE = 0,
|
||||
ITEM_TAG_USAGE_MINIMUM,
|
||||
ITEM_TAG_USAGE_MAXIMUM,
|
||||
ITEM_TAG_DESIGNATOR_INDEX,
|
||||
ITEM_TAG_DESIGNATOR_MINIMUM,
|
||||
ITEM_TAG_DESIGNATOR_MAXIMUM,
|
||||
/* 6 is missing */
|
||||
ITEM_TAG_STRING_INDEX = 7,
|
||||
ITEM_TAG_STRING_MINIMUM,
|
||||
ITEM_TAG_STRING_MAXIMUM,
|
||||
ITEM_TAG_DELIMITER,
|
||||
};
|
||||
|
||||
typedef struct
|
||||
{
|
||||
unsigned char bSize:2, bType:2, bTag:4;
|
||||
} item_prefix_bitfields;
|
||||
|
||||
typedef union
|
||||
{
|
||||
item_prefix_bitfields b;
|
||||
unsigned char i;
|
||||
} item_prefix;
|
||||
|
||||
#define LONG_ITEM_PREFIX 0xfe
|
||||
|
||||
/*
|
||||
parsed item
|
||||
*/
|
||||
|
||||
typedef struct
|
||||
{
|
||||
int offset; /* byte offset in report descriptor */
|
||||
int prefix, size, type, tag;
|
||||
unsigned long value;
|
||||
signed long signed_value; /* sign extended: for logical min/max */
|
||||
} decomp_item;
|
||||
|
||||
/*
|
||||
report "instruction"
|
||||
*/
|
||||
|
||||
/* control types for game controllers */
|
||||
enum
|
||||
{
|
||||
TYPE_NONE,
|
||||
TYPE_HAT,
|
||||
TYPE_AXIS, TYPE_AXIS_X, TYPE_AXIS_Y,
|
||||
TYPE_BUTTON
|
||||
};
|
||||
|
||||
typedef struct usage_range
|
||||
{
|
||||
// id_min == id_max for variables
|
||||
unsigned int page, id_min, id_max;
|
||||
} usage_range;
|
||||
|
||||
typedef struct
|
||||
{
|
||||
usage_range usage;
|
||||
int ctrl_type; /* TYPE_*; set by count_controls() */
|
||||
int attributes;
|
||||
|
||||
BOOL is_log_signed, is_phy_signed;
|
||||
unsigned long log_min, log_max;
|
||||
unsigned long phy_min, phy_max;
|
||||
signed long signed_log_min, signed_log_max;
|
||||
signed long signed_phy_min, signed_phy_max;
|
||||
|
||||
/* used to extract bit-field from report */
|
||||
/* value = (report [byte_idx] >> bit_pos) & ((1 << num_bits) - 1) */
|
||||
/* N.B. you need sign extension if signed */
|
||||
int byte_idx, bit_pos, num_bits;
|
||||
|
||||
} report_insn;
|
||||
|
||||
int decompose_report_descriptor
|
||||
(const unsigned char *desc,
|
||||
size_t desc_len,
|
||||
decomp_item *items,
|
||||
size_t *num_items);
|
||||
|
||||
int parse_report_descriptor
|
||||
(const decomp_item *items,
|
||||
size_t num_items,
|
||||
report_insn *insns,
|
||||
size_t *num_insns,
|
||||
size_t *total_report_size,
|
||||
int *first_report_id);
|
||||
|
||||
/*
|
||||
Usage Pages/IDs
|
||||
*/
|
||||
|
||||
enum
|
||||
{
|
||||
USAGE_PAGE_GENERIC_DESKTOP = 1,
|
||||
USAGE_PAGE_SIMULATION = 2,
|
||||
USAGE_PAGE_GAME = 5,
|
||||
USAGE_PAGE_KEYBOARD = 7,
|
||||
USAGE_PAGE_LED,
|
||||
USAGE_PAGE_BUTTONS,
|
||||
};
|
||||
|
||||
/* Page 1: Generic Desktop */
|
||||
|
||||
enum
|
||||
{
|
||||
USAGE_ID_POINTER = 1,
|
||||
USAGE_ID_MOUSE = 2,
|
||||
USAGE_ID_JOYSTICK = 4,
|
||||
USAGE_ID_GAMEPAD,
|
||||
USAGE_ID_KEYBOARD,
|
||||
USAGE_ID_KEYPAD,
|
||||
|
||||
USAGE_ID_X = 0x30,
|
||||
USAGE_ID_Y,
|
||||
USAGE_ID_Z,
|
||||
USAGE_ID_RX,
|
||||
USAGE_ID_RY,
|
||||
USAGE_ID_RZ,
|
||||
USAGE_ID_SLIDER,
|
||||
USAGE_ID_DIAL,
|
||||
USAGE_ID_WHEEL,
|
||||
USAGE_ID_HAT_SWITCH,
|
||||
};
|
||||
|
||||
/* Page 2: Simulation */
|
||||
|
||||
enum
|
||||
{
|
||||
USAGE_ID_RUDDER = 0xBA,
|
||||
USAGE_ID_THROTTLE = 0xBB,
|
||||
};
|
||||
|
||||
int count_controls
|
||||
(report_insn *insns,
|
||||
size_t num_insns,
|
||||
int *num_axes,
|
||||
int *num_hats,
|
||||
int *num_buttons);
|
||||
@@ -0,0 +1,120 @@
|
||||
/* ++++++++++
|
||||
FILE: joystick_driver.h
|
||||
REVS: $Revision: 1.1 $
|
||||
NAME: herold
|
||||
DATE: Tue Jun 4 14:57:25 PDT 1996
|
||||
+++++ */
|
||||
|
||||
/*
|
||||
Copyright 1999, Be Incorporated. All Rights Reserved.
|
||||
This file may be used under the terms of the Be Sample Code License.
|
||||
*/
|
||||
|
||||
#ifndef _JOYSTICK_DRIVER_H
|
||||
#define _JOYSTICK_DRIVER_H
|
||||
|
||||
#include <SupportDefs.h>
|
||||
#include <Drivers.h>
|
||||
#include <module.h>
|
||||
|
||||
typedef struct _joystick {
|
||||
bigtime_t timestamp;
|
||||
uint32 horizontal;
|
||||
uint32 vertical;
|
||||
bool button1;
|
||||
bool button2;
|
||||
} joystick;
|
||||
|
||||
/* maximum number of axes on one controller (pads count as 2 axes each) */
|
||||
#define MAX_AXES 12
|
||||
/* maximum number of hats on one controller -- PADS SHOULD BE RETURNED AS AXES! */
|
||||
#define MAX_HATS 8
|
||||
/* maximum number of buttons on one controller */
|
||||
#define MAX_BUTTONS 32
|
||||
/* maximum number of controllers on one port */
|
||||
#define MAX_STICKS 4
|
||||
|
||||
typedef struct _extended_joystick {
|
||||
bigtime_t timestamp; /* system_time when it was read */
|
||||
uint32 buttons; /* lsb to msb, 1 == on */
|
||||
int16 axes[MAX_AXES]; /* -32768 to 32767, X, Y, Z, U, V, W */
|
||||
uint8 hats[MAX_HATS]; /* 0 through 8 (1 == N, 3 == E, 5 == S, 7 == W) */
|
||||
} extended_joystick;
|
||||
|
||||
#define MAX_CONFIG_SIZE 100
|
||||
|
||||
enum { /* flags for joystick module info */
|
||||
js_flag_force_feedback = 0x1,
|
||||
js_flag_force_feedback_directional = 0x2
|
||||
};
|
||||
|
||||
typedef struct _joystick_module_info {
|
||||
char module_name[64];
|
||||
char device_name[64];
|
||||
int16 num_axes;
|
||||
int16 num_buttons;
|
||||
int16 num_hats;
|
||||
uint16 _reserved[7];
|
||||
uint32 flags;
|
||||
uint16 num_sticks;
|
||||
int16 config_size;
|
||||
char device_config[MAX_CONFIG_SIZE]; /* device specific */
|
||||
} joystick_module_info;
|
||||
|
||||
/* Note that joystick_module is something used by the game port driver */
|
||||
/* to talk to digital joysticks; if you're writing a sound card driver */
|
||||
/* and want to add support for a /dev/joystick device, use the generic_gameport */
|
||||
/* module. */
|
||||
|
||||
typedef struct _joystick_module {
|
||||
module_info minfo;
|
||||
/** "configure" might change the "info" if it auto-detects a device */
|
||||
int (*configure)(int port, joystick_module_info * info, size_t size, void ** out_cookie);
|
||||
/** "read" actual data from device into "data" */
|
||||
int (*read)(void * cookie, int port, extended_joystick * data, size_t size);
|
||||
/** "crumble" the cookie (deallocate) when done */
|
||||
int (*crumble)(void * cookie, int port);
|
||||
/** "force" tells the joystick to exert force on the same axes as input for the specified duration */
|
||||
int (*force)(void * cookie, int port, bigtime_t duration, extended_joystick * force, size_t size);
|
||||
int _reserved_;
|
||||
} joystick_module;
|
||||
|
||||
/** Doing force feedback means writing an extended_joystick to the device with force values.
|
||||
The "timestamp" should be the duration of the feedback. Successive writes will be queued
|
||||
by the device module. */
|
||||
enum { /* Joystick driver ioctl() opcodes */
|
||||
B_JOYSTICK_GET_SPEED_COMPENSATION = B_JOYSTICK_DRIVER_BASE,
|
||||
/* arg -> ptr to int32 */
|
||||
B_JOYSTICK_SET_SPEED_COMPENSATION, /* arg -> ptr to int32 */
|
||||
B_JOYSTICK_GET_MAX_LATENCY, /* arg -> ptr to long long */
|
||||
B_JOYSTICK_SET_MAX_LATENCY, /* arg -> ptr to long long */
|
||||
B_JOYSTICK_SET_DEVICE_MODULE, /* arg -> ptr to joystick_module; also enters enhanced mode */
|
||||
B_JOYSTICK_GET_DEVICE_MODULE, /* arg -> ptr to joystick_module */
|
||||
B_JOYSTICK_SET_RAW_MODE /* arg -> ptr to bool (true or false) */
|
||||
};
|
||||
|
||||
/* Speed compensation is not generally necessary, because the joystick */
|
||||
/* driver is measuring using real time, not just # cycles. "0" means the */
|
||||
/* default, center value. + typically returns higher values; - returns lower */
|
||||
/* A typical range might be from -10 to +10, but it varies by driver */
|
||||
|
||||
/* Lower latency will make for more overhead in reading the joystick */
|
||||
/* ideally, you set this value to just short of how long it takes you */
|
||||
/* to calculate and render a frame. 30 fps -> latency 33000 */
|
||||
|
||||
|
||||
typedef struct _generic_gameport_module {
|
||||
module_info minfo;
|
||||
status_t (*create_device)(int port, void ** out_storage);
|
||||
status_t (*delete_device)(void * storage);
|
||||
status_t (*open_hook)(void * storage, uint32 flags, void ** out_cookie);
|
||||
status_t (*close_hook)(void * cookie);
|
||||
status_t (*free_hook)(void * cookie);
|
||||
status_t (*control_hook)(void * cookie, uint32 op, void * data, size_t len);
|
||||
status_t (*read_hook)(void * cookie, off_t pos, void * data, size_t * len);
|
||||
status_t (*write_hook)(void * cookie, off_t pos, const void * data, size_t * len);
|
||||
int _reserved_;
|
||||
} generic_gameport_module;
|
||||
|
||||
|
||||
#endif
|
||||
Reference in New Issue
Block a user