diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/input/joystick/iforce/iforce-packets.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/input/joystick/iforce/iforce-packets.c | 303 |
1 files changed, 0 insertions, 303 deletions
diff --git a/ANDROID_3.4.5/drivers/input/joystick/iforce/iforce-packets.c b/ANDROID_3.4.5/drivers/input/joystick/iforce/iforce-packets.c deleted file mode 100644 index a17b5001..00000000 --- a/ANDROID_3.4.5/drivers/input/joystick/iforce/iforce-packets.c +++ /dev/null @@ -1,303 +0,0 @@ -/* - * 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]); -} - |