litmus-rt.git - The LITMUS^RT kernel.

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author	Linus Torvalds <torvalds@linux-foundation.org>	2008-07-22 22:09:51 -0400
committer	Linus Torvalds <torvalds@linux-foundation.org>	2008-07-22 22:09:51 -0400
commit	c010b2f76c3032e48097a6eef291d8593d5d79a6 (patch)
tree	16077c83703527732991a55dea1abe330c0ccdc6 /include/linux/fs_stack.h
parent	6069fb2ef5d4f47432359c97f350e0cfcc4d208e (diff)
parent	521c4d96e0840ecce25b956e00f416ed499ef2ba (diff)

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (82 commits) ipw2200: Call netif_*_queue() interfaces properly. netxen: Needs to include linux/vmalloc.h [netdrvr] atl1d: fix !CONFIG_PM build r6040: rework init_one error handling r6040: bump release number to 0.18 r6040: handle RX fifo full and no descriptor interrupts r6040: change the default waiting time r6040: use definitions for magic values in descriptor status r6040: completely rework the RX path r6040: call napi_disable when puting down the interface and set lp->dev accordingly. mv643xx_eth: fix NETPOLL build r6040: rework the RX buffers allocation routine r6040: fix scheduling while atomic in r6040_tx_timeout r6040: fix null pointer access and tx timeouts r6040: prefix all functions with r6040 rndis_host: support WM6 devices as modems at91_ether: use netstats in net_device structure sfc: Create one RX queue and interrupt per CPU package by default sfc: Use a separate workqueue for resets sfc: I2C adapter initialisation fixes ...

Diffstat (limited to 'include/linux/fs_stack.h')

0 files changed, 0 insertions, 0 deletions

/* * Force feedback support for various HID compliant devices by ThrustMaster: * ThrustMaster FireStorm Dual Power 2 * and possibly others whose device ids haven't been added. * * Modified to support ThrustMaster devices by Zinx Verituse * on 2003-01-25 from the Logitech force feedback driver, * which is by Johann Deneux. * * Copyright (c) 2003 Zinx Verituse <zinx@epicsol.org> * Copyright (c) 2002 Johann Deneux */ /* * 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/hid.h> #include <linux/input.h> #include <linux/usb.h> #include "hid-ids.h" static const signed short ff_rumble[] = { FF_RUMBLE, -1 }; static const signed short ff_joystick[] = { FF_CONSTANT, -1 }; #ifdef CONFIG_THRUSTMASTER_FF #include "usbhid/usbhid.h" /* Usages for thrustmaster devices I know about */ #define THRUSTMASTER_USAGE_FF (HID_UP_GENDESK | 0xbb) struct tmff_device { struct hid_report *report; struct hid_field *ff_field; }; /* Changes values from 0 to 0xffff into values from minimum to maximum */ static inline int tmff_scale_u16(unsigned int in, int minimum, int maximum) { int ret; ret = (in * (maximum - minimum) / 0xffff) + minimum; if (ret < minimum) return minimum; if (ret > maximum) return maximum; return ret; } /* Changes values from -0x80 to 0x7f into values from minimum to maximum */ static inline int tmff_scale_s8(int in, int minimum, int maximum) { int ret; ret = (((in + 0x80) * (maximum - minimum)) / 0xff) + minimum; if (ret < minimum) return minimum; if (ret > maximum) return maximum; return ret; } static int tmff_play(struct input_dev *dev, void *data, struct ff_effect *effect) { struct hid_device *hid = input_get_drvdata(dev); struct tmff_device *tmff = data; struct hid_field *ff_field = tmff->ff_field; int x, y; int left, right; /* Rumbling */ switch (effect->type) { case FF_CONSTANT: x = tmff_scale_s8(effect->u.ramp.start_level, ff_field->logical_minimum, ff_field->logical_maximum); y = tmff_scale_s8(effect->u.ramp.end_level, ff_field->logical_minimum, ff_field->logical_maximum); dbg_hid("(x, y)=(%04x, %04x)\n", x, y); ff_field->value[0] = x; ff_field->value[1] = y; usbhid_submit_report(hid, tmff->report, USB_DIR_OUT); break; case FF_RUMBLE: left = tmff_scale_u16(effect->u.rumble.weak_magnitude, ff_field->logical_minimum, ff_field->logical_maximum); right = tmff_scale_u16(effect->u.rumble.strong_magnitude, ff_field->logical_minimum, ff_field->logical_maximum); dbg_hid("(left,right)=(%08x, %08x)\n", left, right); ff_field->value[0] = left; ff_field->value[1] = right; usbhid_submit_report(hid, tmff->report, USB_DIR_OUT); break; } return 0; } static int tmff_init(struct hid_device *hid, const signed short *ff_bits) { struct tmff_device *tmff; struct hid_report *report; struct list_head *report_list; struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); struct input_dev *input_dev = hidinput->input; int error; int i; tmff = kzalloc(sizeof(struct tmff_device), GFP_KERNEL); if (!tmff) return -ENOMEM; /* Find the report to use */ report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; list_for_each_entry(report, report_list, list) { int fieldnum; for (fieldnum = 0; fieldnum < report->maxfield; ++fieldnum) { struct hid_field *field = report->field[fieldnum]; if (field->maxusage <= 0) continue; switch (field->usage[0].hid) { case THRUSTMASTER_USAGE_FF: if (field->report_count < 2) { dev_warn(&hid->dev, "ignoring FF field " "with report_count < 2\n"); continue; } if (field->logical_maximum == field->logical_minimum) { dev_warn(&hid->dev, "ignoring FF field " "with logical_maximum " "== logical_minimum\n"); continue; } if (tmff->report && tmff->report != report) { dev_warn(&hid->dev, "ignoring FF field " "in other report\n"); continue; } if (tmff->ff_field && tmff->ff_field != field) { dev_warn(&hid->dev, "ignoring " "duplicate FF field\n"); continue; } tmff->report = report; tmff->ff_field = field; for (i = 0; ff_bits[i] >= 0; i++) set_bit(ff_bits[i], input_dev->ffbit); break; default: dev_warn(&hid->dev, "ignoring unknown output " "usage %08x\n", field->usage[0].hid); continue; } } } if (!tmff->report) { dev_err(&hid->dev, "can't find FF field in output reports\n"); error = -ENODEV; goto fail; } error = input_ff_create_memless(input_dev, tmff, tmff_play); if (error) goto fail; dev_info(&hid->dev, "force feedback for ThrustMaster devices by Zinx " "Verituse <zinx@epicsol.org>"); return 0; fail: kfree(tmff); return error; } #else static inline int tmff_init(struct hid_device *hid, const signed short *ff_bits) { return 0; } #endif static int tm_probe(struct hid_device *hdev, const struct hid_device_id *id) { int ret; ret = hid_parse(hdev); if (ret) { dev_err(&hdev->dev, "parse failed\n"); goto err; } ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_FF); if (ret) { dev_err(&hdev->dev, "hw start failed\n"); goto err; } tmff_init(hdev, (void *)id->driver_data); return 0; err: return ret; } static const struct hid_device_id tm_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300), .driver_data = (unsigned long)ff_rumble }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304), /* FireStorm Dual Power 2 (and 3) */ .driver_data = (unsigned long)ff_rumble }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323), /* Dual Trigger 3-in-1 (PC Mode) */ .driver_data = (unsigned long)ff_rumble }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324), /* Dual Trigger 3-in-1 (PS3 Mode) */ .driver_data = (unsigned long)ff_rumble }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651), /* FGT Rumble Force Wheel */ .driver_data = (unsigned long)ff_rumble }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653), /* RGT Force Feedback CLUTCH Raging Wheel */ .driver_data = (unsigned long)ff_joystick }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654), /* FGT Force Feedback Wheel */ .driver_data = (unsigned long)ff_joystick }, { } }; MODULE_DEVICE_TABLE(hid, tm_devices); static struct hid_driver tm_driver = { .name = "thrustmaster", .id_table = tm_devices, .probe = tm_probe, }; static int __init tm_init(void) { return hid_register_driver(&tm_driver); } static void __exit tm_exit(void) { hid_unregister_driver(&tm_driver); } module_init(tm_init); module_exit(tm_exit); MODULE_LICENSE("GPL");


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