/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2005 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma ident "%Z%%M% %I% %E% SMI" /* * 2/3/5 Button PS/2 Mouse Protocol * * This module dynamically determines the number of buttons on the mouse. */ #include #include #include #include #include #include #include #include /* * BUT(1) LEFT BUTTON * BUT(2) MIDDLE BUTTON (if present) * BUT(3) RIGHT BUTTON */ #define PS2_BUTTONMASK 7 /* mask byte zero with this */ #define PS2_BUTTON_L (uchar_t)0x01 /* Left button pressed */ #define PS2_BUTTON_R (uchar_t)0x02 /* Right button pressed */ #define PS2_BUTTON_M (uchar_t)0x04 /* Middle button pressed */ #define PS2_DATA_XSIGN (uchar_t)0x10 /* X data sign bit */ #define PS2_DATA_YSIGN (uchar_t)0x20 /* Y data sign bit */ #define PS2_START 0 /* Beginning of packet */ #define PS2_BUTTON 1 /* Got button status */ #define PS2_MAYBE_REATTACH 2 /* Got button status */ #define PS2_DELTA_Y 3 /* Got delta X */ #define PS2_WHEEL_DELTA_Z 4 #define PS2_WHEEL5_DELTA_Z 5 #define PS2_WAIT_RESET_ACK 6 #define PS2_WAIT_RESET_AA 7 #define PS2_WAIT_RESET_00 8 #define PS2_WAIT_SETRES0_ACK1 9 #define PS2_WAIT_SETRES0_ACK2 10 /* -+ must be consecutive */ #define PS2_WAIT_SCALE1_1_ACK 11 /* | */ #define PS2_WAIT_SCALE1_2_ACK 12 /* | */ #define PS2_WAIT_SCALE1_3_ACK 13 /* -+ */ #define PS2_WAIT_STATREQ_ACK 14 #define PS2_WAIT_STATUS_1 15 #define PS2_WAIT_STATUS_BUTTONS 16 #define PS2_WAIT_STATUS_REV 17 #define PS2_WAIT_STATUS_3 18 #define PS2_WAIT_WHEEL_SMPL1_CMD_ACK 19 /* Set the sample rate to 200 */ #define PS2_WAIT_WHEEL_SMPL1_RATE_ACK 20 #define PS2_WAIT_WHEEL_SMPL2_CMD_ACK 21 /* Set the sample rate to 200 */ #define PS2_WAIT_WHEEL_SMPL2_RATE_ACK 22 #define PS2_WAIT_WHEEL_SMPL3_CMD_ACK 23 /* Set the sample rate to 80 */ #define PS2_WAIT_WHEEL_SMPL3_RATE_ACK 24 #define PS2_WAIT_WHEEL_DEV_CMD 25 #define PS2_WAIT_WHEEL_DEV_ACK 26 /* Detected wheel mouse */ #define PS2_WAIT_WHEEL5_SMPL1_CMD_ACK 27 /* Set the sample rate to 200 */ #define PS2_WAIT_WHEEL5_SMPL1_RATE_ACK 28 #define PS2_WAIT_WHEEL5_SMPL2_CMD_ACK 29 /* Set the sample rate to 200 */ #define PS2_WAIT_WHEEL5_SMPL2_RATE_ACK 30 #define PS2_WAIT_WHEEL5_SMPL3_CMD_ACK 31 /* Set the sample rate to 100 */ #define PS2_WAIT_WHEEL5_SMPL3_RATE_ACK 32 #define PS2_WAIT_WHEEL5_DEV_CMD 33 #define PS2_WAIT_WHEEL5_DEV_ACK 34 /* Detected 5 button mouse */ #define PS2_WAIT_SETRES3_CMD 35 #define PS2_WAIT_SETRES3_ACK1 36 #define PS2_WAIT_SETRES3_ACK2 37 #define PS2_WAIT_STREAM_ACK 38 #define PS2_WAIT_ON_ACK 39 #define MSE_AA 0xaa #define MSE_00 0x00 #define MOUSE_MODE_PLAIN 0 /* Normal PS/2 mouse - 3 byte msgs */ #define MOUSE_MODE_WHEEL 1 /* Wheel mouse - 4 byte msgs */ #define MOUSE_MODE_WHEEL5 2 /* Wheel + 5 btn mouse - 4 byte msgs */ #define PS2_FLAG_NO_EXTN 0x08 /* Mouse doesn't obey extended cmds */ #define PS2_FLAG_INIT_DONE 0x01 /* Mouse has been inited successfully */ #define PS2_FLAG_INIT_TIMEOUT 0x02 /* Mouse init timeout */ /* * The RESET command takes more time * before the PS/2 mouse is ready */ #define PS2_INIT_TMOUT_RESET 500000 /* 500ms for RESET command */ #define PS2_INIT_TMOUT_PER_CMD 200000 /* 200ms for each command-response */ #define PS2_MAX_INIT_COUNT 5 static void vuidmice_send_wheel_event(queue_t *const, uchar_t, uchar_t, uchar_t, int); extern void VUID_PUTNEXT(queue_t *const, uchar_t, uchar_t, uchar_t, int); extern void uniqtime32(struct timeval32 *); static void VUID_INIT_TIMEOUT(void *q); /* * We apply timeout to nearly each command-response * during initialization: * * Set timeout for RESET * Set timeout for SET RESOLUTION * Set timeout for SET SCALE * Set timeout for SET SAMPLE RATE * Set timeout for STATUS REQUEST * Set timeout for GET DEV * Set timeout for SET STREAM MODE and ENABLE. * * But for simplicity, sometimes we just apply the timeout * to a function (e.g. wheel-mouse detection). * */ static void vuid_set_timeout(queue_t *const qp, clock_t time) { ASSERT(STATEP->init_tid == 0); STATEP->init_tid = qtimeout(qp, VUID_INIT_TIMEOUT, qp, drv_usectohz(time)); } static void vuid_cancel_timeout(queue_t *const qp) { ASSERT(STATEP->init_tid != 0); (void) quntimeout(qp, STATEP->init_tid); STATEP->init_tid = 0; } /* * vuidmice_send_wheel_event * Convert wheel data to firm_events */ static void vuidmice_send_wheel_event(queue_t *const qp, uchar_t event_id, uchar_t event_pair_type, uchar_t event_pair, int event_value) { mblk_t *bp; Firm_event *fep; if ((bp = allocb((int)sizeof (Firm_event), BPRI_HI)) == NULL) { return; } fep = (Firm_event *)bp->b_wptr; fep->id = vuid_id_addr(vuid_first(VUID_WHEEL)) | vuid_id_offset(event_id); fep->pair_type = event_pair_type; fep->pair = event_pair; fep->value = event_value; uniqtime32(&fep->time); bp->b_wptr += sizeof (Firm_event); if (canput(qp->q_next)) { putnext(qp, bp); } else { (void) putbq(qp, bp); /* read side is blocked */ } } static void sendButtonEvent(queue_t *const qp) { static int bmap[3] = {1, 3, 2}; uint_t b; /* for each button, see if it has changed */ for (b = 0; b < STATEP->nbuttons; b++) { uchar_t mask = 0x1 << b; if ((STATEP->buttons & mask) != (STATEP->oldbuttons & mask)) VUID_PUTNEXT(qp, (uchar_t)BUT(bmap[b]), FE_PAIR_NONE, 0, (STATEP->buttons & mask ? 1 : 0)); } } void put1(queue_t *const qp, int c) { mblk_t *bp; if (bp = allocb(1, BPRI_MED)) { *bp->b_wptr++ = (char)c; putnext(qp, bp); } } int VUID_OPEN(queue_t *const qp) { STATEP->format = VUID_FIRM_EVENT; STATEP->vuid_mouse_mode = MOUSE_MODE_PLAIN; STATEP->inited = 0; STATEP->nbuttons = 3; STATEP->state = PS2_WAIT_RESET_ACK; put1(WR(qp), MSERESET); /* Set timeout for reset */ vuid_set_timeout(qp, PS2_INIT_TMOUT_RESET); while ((STATEP->state != PS2_START) && !(STATEP->inited & PS2_FLAG_INIT_TIMEOUT)) { if (qwait_sig(qp) == 0) break; } /* * Later the PS/2 mouse maybe re-attach, so here * clear the init_count. */ STATEP->init_count = 0; return (0); } void VUID_CLOSE(queue_t *const qp) { if (STATEP->init_tid != 0) vuid_cancel_timeout(qp); } static void VUID_INIT_TIMEOUT(void *q) { queue_t *qp = q; STATEP->init_tid = 0; if ((STATEP->state == PS2_WAIT_WHEEL_SMPL1_RATE_ACK) || (STATEP->state == PS2_WAIT_WHEEL_SMPL2_RATE_ACK) || (STATEP->state == PS2_WAIT_WHEEL_SMPL3_RATE_ACK)) { /* * We overload 'inited' to mark the PS/2 mouse * as one which doesn't respond to extended commands. */ STATEP->inited |= PS2_FLAG_NO_EXTN; } if (++STATEP->init_count >= PS2_MAX_INIT_COUNT) { STATEP->inited |= PS2_FLAG_INIT_TIMEOUT; return; } STATEP->state = PS2_WAIT_RESET_ACK; /* try again */ put1(WR(qp), MSERESET); vuid_set_timeout(qp, PS2_INIT_TMOUT_RESET); } void VUID_QUEUE(queue_t *const qp, mblk_t *mp) { int code; clock_t now; clock_t elapsed; clock_t mouse_timeout; mouse_timeout = drv_usectohz(250000); now = ddi_get_lbolt(); elapsed = now - STATEP->last_event_lbolt; STATEP->last_event_lbolt = now; while (mp->b_rptr < mp->b_wptr) { code = *mp->b_rptr++; switch (STATEP->state) { /* * Start state. We stay here if the start code is not * received thus forcing us back into sync. When we get a * start code the button mask comes with it forcing us to * to the next state. */ restart: case PS2_START: /* * 3-byte packet format * * Bit 7 6 5 4 3 2 1 0 * Byte ---- ---- ----- ----- -- ------ ------ ------ * 1 Y_Ov X_Ov Y_Sgn X_Sgn 1 MdlBtn RgtBtn LftBtn * 2 |<--------------X Movement----------------->| * 3 |<--------------Y Movement----------------->| * * 4-byte wheel packet format * * Bit 7 6 5 4 3 2 1 0 * Byte ---- ---- ----- ----- -- ------ ------ ------ * 1 Y_Ov X_Ov Y_Sgn X_Sgn 1 MdlBtn RgtBtn LftBtn * 2 |<--------------X Movement----------------->| * 3 |<--------------Y Movement----------------->| * 4 |<--------------Z Movement----------------->| * * 4-byte wheel+5 packet format * * Bit 7 6 5 4 3 2 1 0 * Byte ---- ---- ----- ----- -- ------ ------ ------ * 1 Y_Ov X_Ov Y_Sgn X_Sgn 1 MdlBtn RgtBtn LftBtn * 2 |<--------------X Movement----------------->| * 3 |<--------------Y Movement----------------->| * 4 0 0 5_Btn 4_Btn Z3 Z2 Z1 Z0 */ if (!(STATEP->inited & PS2_FLAG_INIT_DONE)) { STATEP->sync_byte = code & 0x8; STATEP->inited |= PS2_FLAG_INIT_DONE; } /* * the PS/2 mouse data format doesn't have any sort of sync * data to make sure we are in sync with the packet stream, * but the Technical Reference manual states that bits 2 & 3 * of the first byte are reserved. Logitech uses bit 2 for * the middle button. We HOPE that noone uses bit 3 though, * and decide we're out of sync if bit 3 is not set here. */ if ((code ^ STATEP->sync_byte) & 0x08) { /* bit 3 not set */ STATEP->state = PS2_START; break; /* toss the code */ } /* get the button values */ STATEP->buttons = code & PS2_BUTTONMASK; if (STATEP->buttons != STATEP->oldbuttons) { sendButtonEvent(qp); STATEP->oldbuttons = STATEP->buttons; } /* bit 5 indicates Y value is negative (the sign bit) */ if (code & PS2_DATA_YSIGN) STATEP->deltay = -1 & ~0xff; else STATEP->deltay = 0; /* bit 4 is X sign bit */ if (code & PS2_DATA_XSIGN) STATEP->deltax = -1 & ~0xff; else STATEP->deltax = 0; if (code == MSE_AA) STATEP->state = PS2_MAYBE_REATTACH; else STATEP->state = PS2_BUTTON; break; case PS2_MAYBE_REATTACH: if (code == MSE_00) { put1(WR(qp), MSERESET); STATEP->state = PS2_WAIT_RESET_ACK; vuid_set_timeout(qp, PS2_INIT_TMOUT_RESET); break; } /*FALLTHROUGH*/ case PS2_BUTTON: /* * Now for the 7 bits of delta x. "Or" in * the sign bit and continue. This is ac- * tually a signed 9 bit number, but I just * truncate it to a signed char in order to * avoid changing and retesting all of the * mouse-related modules for this patch. */ if (elapsed > mouse_timeout) goto restart; STATEP->deltax |= code & 0xff; STATEP->state = PS2_DELTA_Y; break; case PS2_DELTA_Y: /* * This byte is delta Y. If this is a plain mouse, * we're done. Wheel mice have two different flavors * of fourth byte. */ if (elapsed > mouse_timeout) { goto restart; } STATEP->deltay |= code & 0xff; if (STATEP->vuid_mouse_mode == MOUSE_MODE_WHEEL) { STATEP->state = PS2_WHEEL_DELTA_Z; break; } else if (STATEP->vuid_mouse_mode == MOUSE_MODE_WHEEL5) { STATEP->state = PS2_WHEEL5_DELTA_Z; break; } goto packet_complete; case PS2_WHEEL5_DELTA_Z: if (code & 0x10) { /* fourth physical button */ VUID_PUTNEXT(qp, (uchar_t)BUT(4), FE_PAIR_NONE, 0, 1); VUID_PUTNEXT(qp, (uchar_t)BUT(4), FE_PAIR_NONE, 0, 0); } else if (code & 0x20) { /* fifth physical button */ VUID_PUTNEXT(qp, (uchar_t)BUT(5), FE_PAIR_NONE, 0, 1); VUID_PUTNEXT(qp, (uchar_t)BUT(5), FE_PAIR_NONE, 0, 0); } /*FALLTHROUGH*/ case PS2_WHEEL_DELTA_Z: /* * Check whether reporting vertical wheel * movements is enabled */ code &= 0xf; if (STATEP->wheel_state_bf & (1 << VUIDMICE_VERTICAL_WHEEL_ID)) { /* * PS/2 mouse reports -ve values * when the wheel is scrolled up. So * we need to convert it into +ve as * X interprets a +ve value as wheel up event. * Same is true for the horizontal wheel also. * The mouse reports 0xf when scrolled up * and 0x1 when scrolled down. This observation * is based on Logitech, HCL, * Microsoft and Black Cat mouse only */ if (code == 0xf) { /* negative Z - wheel up */ code |= 0xfffffff0; vuidmice_send_wheel_event(qp, 0, FE_PAIR_NONE, 0, -code); } else if (code == 0x01) { /* positive Z - wheel down */ vuidmice_send_wheel_event(qp, 0, FE_PAIR_NONE, 0, -code); } } /* * Check whether reporting horizontal wheel * movements is enabled */ if (STATEP->wheel_state_bf & (1 << VUIDMICE_HORIZONTAL_WHEEL_ID)) { /* * The mouse return -7 and +7 when it * is scrolled horizontally */ if (code == 0x09) { /* negative Z - wheel left */ vuidmice_send_wheel_event(qp, 1, FE_PAIR_NONE, 0, 1); } else if (code == 0x07) { /* positive Z - wheel right */ vuidmice_send_wheel_event(qp, 1, FE_PAIR_NONE, 0, -1); } } packet_complete: STATEP->state = PS2_START; /* * If we can peek at the next mouse character, and * its not the start of the next packet, don't use * this packet. */ if ((mp->b_wptr - mp->b_rptr) > 0 && ((mp->b_rptr[0] ^ STATEP->sync_byte) & 0x08)) { /* * bit 3 not set */ break; } /* * send the info to the next level -- * need to send multiple events if we have both * a delta *AND* button event(s) */ /* motion has occurred ... */ if (STATEP->deltax) VUID_PUTNEXT(qp, (uchar_t)LOC_X_DELTA, FE_PAIR_ABSOLUTE, (uchar_t)LOC_X_ABSOLUTE, STATEP->deltax); if (STATEP->deltay) VUID_PUTNEXT(qp, (uchar_t)LOC_Y_DELTA, FE_PAIR_ABSOLUTE, (uchar_t)LOC_Y_ABSOLUTE, STATEP->deltay); STATEP->deltax = STATEP->deltay = 0; break; case PS2_WAIT_RESET_ACK: if (code != MSE_ACK) { break; } STATEP->state = PS2_WAIT_RESET_AA; break; case PS2_WAIT_RESET_AA: if (code != MSE_AA) { break; } STATEP->state = PS2_WAIT_RESET_00; break; case PS2_WAIT_RESET_00: if (code != MSE_00) { break; } /* Reset has been ok */ vuid_cancel_timeout(qp); put1(WR(qp), MSESETRES); STATEP->state = PS2_WAIT_SETRES0_ACK1; /* Set timeout for set res */ vuid_set_timeout(qp, PS2_INIT_TMOUT_PER_CMD); break; case PS2_WAIT_SETRES0_ACK1: if (code != MSE_ACK) { break; } put1(WR(qp), 0); STATEP->state = PS2_WAIT_SETRES0_ACK2; break; case PS2_WAIT_SETRES0_ACK2: case PS2_WAIT_SCALE1_1_ACK: case PS2_WAIT_SCALE1_2_ACK: if (code != MSE_ACK) { break; } put1(WR(qp), MSESCALE1); STATEP->state++; break; case PS2_WAIT_SCALE1_3_ACK: if (code != MSE_ACK) { break; } /* Set res and scale have been ok */ vuid_cancel_timeout(qp); put1(WR(qp), MSESTATREQ); STATEP->state = PS2_WAIT_STATREQ_ACK; /* Set timeout for status request */ vuid_set_timeout(qp, PS2_INIT_TMOUT_PER_CMD); break; case PS2_WAIT_STATREQ_ACK: if (code != MSE_ACK) { break; } STATEP->state = PS2_WAIT_STATUS_1; break; case PS2_WAIT_STATUS_1: STATEP->state = PS2_WAIT_STATUS_BUTTONS; break; case PS2_WAIT_STATUS_BUTTONS: if (code != 0) { STATEP->nbuttons = (uchar_t)code; STATEP->state = (uchar_t)PS2_WAIT_STATUS_REV; } else { #if defined(VUID3PS2) /* * It seems that there are some 3-button mice * that don't play the Logitech autodetect * game. One is a Mouse Systems mouse OEM'ed * by Intergraph. * * Until we find out how to autodetect these * mice, we'll assume that if we're being * compiled as vuid3ps2 and the mouse doesn't * play the autodetect game, it's a 3-button * mouse. This effectively disables * autodetect for mice using vuid3ps2, but * since vuid3ps2 is used only on x86 where * we currently assume manual configuration, * this shouldn't be a problem. At some point * in the future when we *do* start using * autodetect on x86, we should probably define * VUIDPS2 instead of VUID3PS2. Even then, * we could leave this code so that *some* * mice could use autodetect and others not. */ STATEP->nbuttons = 3; #else STATEP->nbuttons = 2; #endif STATEP->state = PS2_WAIT_STATUS_3; } break; case PS2_WAIT_STATUS_REV: /*FALLTHROUGH*/ case PS2_WAIT_STATUS_3: /* Status request has been ok */ vuid_cancel_timeout(qp); /* * Start the wheel-mouse detection code. First, we look * for standard wheel mice. If we set the sample rate * to 200, 100, and then 80 and finally request the * device ID, a wheel mouse will return an ID of 0x03. * After that, we'll try for the wheel+5 variety. The * incantation in this case is 200, 200, and 80. We'll * get 0x04 back in that case. */ if (STATEP->inited & PS2_FLAG_NO_EXTN) { STATEP->state = PS2_WAIT_SETRES3_ACK1; put1(WR(qp), MSESETRES); } else { put1(WR(qp), MSECHGMOD); STATEP->state = PS2_WAIT_WHEEL_SMPL1_CMD_ACK; } /* Set timeout for set res or sample rate */ vuid_set_timeout(qp, PS2_INIT_TMOUT_PER_CMD); break; case PS2_WAIT_WHEEL_SMPL1_CMD_ACK: if (code != MSE_ACK) { break; } put1(WR(qp), 200); STATEP->state = PS2_WAIT_WHEEL_SMPL1_RATE_ACK; break; case PS2_WAIT_WHEEL_SMPL1_RATE_ACK: if (code != MSE_ACK) { break; } put1(WR(qp), MSECHGMOD); STATEP->state = PS2_WAIT_WHEEL_SMPL2_CMD_ACK; break; case PS2_WAIT_WHEEL_SMPL2_CMD_ACK: if (code != MSE_ACK) { break; } put1(WR(qp), 100); STATEP->state = PS2_WAIT_WHEEL_SMPL2_RATE_ACK; break; case PS2_WAIT_WHEEL_SMPL2_RATE_ACK: if (code != MSE_ACK) { break; } put1(WR(qp), MSECHGMOD); STATEP->state = PS2_WAIT_WHEEL_SMPL3_CMD_ACK; break; case PS2_WAIT_WHEEL_SMPL3_CMD_ACK: if (code != MSE_ACK) { break; } put1(WR(qp), 80); STATEP->state = PS2_WAIT_WHEEL_SMPL3_RATE_ACK; break; case PS2_WAIT_WHEEL_SMPL3_RATE_ACK: if (code != MSE_ACK) { break; } /* Set sample rate has been ok */ vuid_cancel_timeout(qp); put1(WR(qp), MSEGETDEV); STATEP->state = PS2_WAIT_WHEEL_DEV_CMD; /* Set timeout for get dev */ vuid_set_timeout(qp, PS2_INIT_TMOUT_PER_CMD); break; case PS2_WAIT_WHEEL_DEV_CMD: if (code != MSE_ACK) { break; } STATEP->state = PS2_WAIT_WHEEL_DEV_ACK; break; case PS2_WAIT_WHEEL_DEV_ACK: /* Get dev has been ok */ vuid_cancel_timeout(qp); if (code != 0x03) { put1(WR(qp), MSESETRES); STATEP->state = PS2_WAIT_SETRES3_ACK1; /* Set timeout for set res */ vuid_set_timeout(qp, PS2_INIT_TMOUT_PER_CMD); break; } STATEP->vuid_mouse_mode = MOUSE_MODE_WHEEL; /* * Found wheel. By default enable the wheel. */ STATEP->wheel_state_bf |= VUID_WHEEL_STATE_ENABLED; /* We're on a roll - try for wheel+5 */ put1(WR(qp), MSECHGMOD); STATEP->state = PS2_WAIT_WHEEL5_SMPL1_CMD_ACK; /* Set timeout for set sample rate */ vuid_set_timeout(qp, PS2_INIT_TMOUT_PER_CMD); break; case PS2_WAIT_WHEEL5_SMPL1_CMD_ACK: if (code != MSE_ACK) { break; } put1(WR(qp), 200); STATEP->state = PS2_WAIT_WHEEL5_SMPL1_RATE_ACK; break; case PS2_WAIT_WHEEL5_SMPL1_RATE_ACK: if (code != MSE_ACK) { break; } put1(WR(qp), MSECHGMOD); STATEP->state = PS2_WAIT_WHEEL5_SMPL2_CMD_ACK; break; case PS2_WAIT_WHEEL5_SMPL2_CMD_ACK: if (code != MSE_ACK) { break; } put1(WR(qp), 200); STATEP->state = PS2_WAIT_WHEEL5_SMPL2_RATE_ACK; break; case PS2_WAIT_WHEEL5_SMPL2_RATE_ACK: if (code != MSE_ACK) { break; } put1(WR(qp), MSECHGMOD); STATEP->state = PS2_WAIT_WHEEL5_SMPL3_CMD_ACK; break; case PS2_WAIT_WHEEL5_SMPL3_CMD_ACK: if (code != MSE_ACK) { break; } put1(WR(qp), 80); STATEP->state = PS2_WAIT_WHEEL5_SMPL3_RATE_ACK; break; case PS2_WAIT_WHEEL5_SMPL3_RATE_ACK: if (code != MSE_ACK) { break; } /* Set sample rate has been ok */ vuid_cancel_timeout(qp); put1(WR(qp), MSEGETDEV); STATEP->state = PS2_WAIT_WHEEL5_DEV_CMD; /* Set timeout for wheel5 get dev */ vuid_set_timeout(qp, PS2_INIT_TMOUT_PER_CMD); break; case PS2_WAIT_WHEEL5_DEV_CMD: if (code != MSE_ACK) { break; } STATEP->state = PS2_WAIT_WHEEL5_DEV_ACK; break; case PS2_WAIT_WHEEL5_DEV_ACK: if (code == 0x04) { STATEP->vuid_mouse_mode = MOUSE_MODE_WHEEL5; STATEP->nbuttons = 5; /* * Found wheel. By default enable the wheel. */ STATEP->wheel_state_bf |= VUID_WHEEL_STATE_ENABLED << MOUSE_MODE_WHEEL; } /* Wheel5 get dev has been ok */ vuid_cancel_timeout(qp); /* FALLTHROUGH */ case PS2_WAIT_SETRES3_CMD: put1(WR(qp), MSESETRES); STATEP->state = PS2_WAIT_SETRES3_ACK1; /* Set timeout for set res */ vuid_set_timeout(qp, PS2_INIT_TMOUT_PER_CMD); break; case PS2_WAIT_SETRES3_ACK1: if (code != MSE_ACK) { break; } put1(WR(qp), 3); STATEP->state = PS2_WAIT_SETRES3_ACK2; break; case PS2_WAIT_SETRES3_ACK2: if (code != MSE_ACK) { break; } /* Set res has been ok */ vuid_cancel_timeout(qp); put1(WR(qp), MSESTREAM); STATEP->state = PS2_WAIT_STREAM_ACK; /* Set timeout for enable */ vuid_set_timeout(qp, PS2_INIT_TMOUT_PER_CMD); break; case PS2_WAIT_STREAM_ACK: if (code != MSE_ACK) { break; } put1(WR(qp), MSEON); STATEP->state = PS2_WAIT_ON_ACK; break; case PS2_WAIT_ON_ACK: if (code != MSE_ACK) { break; } /* Enable has been ok */ vuid_cancel_timeout(qp); STATEP->state = PS2_START; break; } } freemsg(mp); }