diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/hil_mlc.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/hil_mlc.h | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/ANDROID_3.4.5/include/linux/hil_mlc.h b/ANDROID_3.4.5/include/linux/hil_mlc.h deleted file mode 100644 index 394a8405..00000000 --- a/ANDROID_3.4.5/include/linux/hil_mlc.h +++ /dev/null @@ -1,168 +0,0 @@ -/* - * HP Human Interface Loop Master Link Controller driver. - * - * Copyright (c) 2001 Brian S. Julin - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL"). - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR - * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * - * References: - * HP-HIL Technical Reference Manual. Hewlett Packard Product No. 45918A - * - */ - -#include <linux/hil.h> -#include <linux/time.h> -#include <linux/interrupt.h> -#include <linux/semaphore.h> -#include <linux/serio.h> -#include <linux/list.h> - -typedef struct hil_mlc hil_mlc; - -/* The HIL has a complicated state engine. - * We define the structure of nodes in the state engine here. - */ -enum hilse_act { - /* HILSE_OUT prepares to receive input if the next node - * is an IN or EXPECT, and then sends the given packet. - */ - HILSE_OUT = 0, - - /* HILSE_CTS checks if the loop is busy. */ - HILSE_CTS, - - /* HILSE_OUT_LAST sends the given command packet to - * the last configured/running device on the loop. - */ - HILSE_OUT_LAST, - - /* HILSE_OUT_DISC sends the given command packet to - * the next device past the last configured/running one. - */ - HILSE_OUT_DISC, - - /* HILSE_FUNC runs a callback function with given arguments. - * a positive return value causes the "ugly" branch to be taken. - */ - HILSE_FUNC, - - /* HILSE_IN simply expects any non-errored packet to arrive - * within arg usecs. - */ - HILSE_IN = 0x100, - - /* HILSE_EXPECT expects a particular packet to arrive - * within arg usecs, any other packet is considered an error. - */ - HILSE_EXPECT, - - /* HILSE_EXPECT_LAST as above but dev field should be last - * discovered/operational device. - */ - HILSE_EXPECT_LAST, - - /* HILSE_EXPECT_LAST as above but dev field should be first - * undiscovered/inoperational device. - */ - HILSE_EXPECT_DISC -}; - -typedef int (hilse_func) (hil_mlc *mlc, int arg); -struct hilse_node { - enum hilse_act act; /* How to process this node */ - union { - hilse_func *func; /* Function to call if HILSE_FUNC */ - hil_packet packet; /* Packet to send or to compare */ - } object; - int arg; /* Timeout in usec or parm for func */ - int good; /* Node to jump to on success */ - int bad; /* Node to jump to on error */ - int ugly; /* Node to jump to on timeout */ -}; - -/* Methods for back-end drivers, e.g. hp_sdc_mlc */ -typedef int (hil_mlc_cts) (hil_mlc *mlc); -typedef void (hil_mlc_out) (hil_mlc *mlc); -typedef int (hil_mlc_in) (hil_mlc *mlc, suseconds_t timeout); - -struct hil_mlc_devinfo { - uint8_t idd[16]; /* Device ID Byte and Describe Record */ - uint8_t rsc[16]; /* Security Code Header and Record */ - uint8_t exd[16]; /* Extended Describe Record */ - uint8_t rnm[16]; /* Device name as returned by RNM command */ -}; - -struct hil_mlc_serio_map { - hil_mlc *mlc; - int di_revmap; - int didx; -}; - -/* How many (possibly old/detached) devices the we try to keep track of */ -#define HIL_MLC_DEVMEM 16 - -struct hil_mlc { - struct list_head list; /* hil_mlc is organized as linked list */ - - rwlock_t lock; - - void *priv; /* Data specific to a particular type of MLC */ - - int seidx; /* Current node in state engine */ - int istarted, ostarted; - - hil_mlc_cts *cts; - struct semaphore csem; /* Raised when loop idle */ - - hil_mlc_out *out; - struct semaphore osem; /* Raised when outpacket dispatched */ - hil_packet opacket; - - hil_mlc_in *in; - struct semaphore isem; /* Raised when a packet arrives */ - hil_packet ipacket[16]; - hil_packet imatch; - int icount; - struct timeval instart; - suseconds_t intimeout; - - int ddi; /* Last operational device id */ - int lcv; /* LCV to throttle loops */ - struct timeval lcv_tv; /* Time loop was started */ - - int di_map[7]; /* Maps below items to live devs */ - struct hil_mlc_devinfo di[HIL_MLC_DEVMEM]; - struct serio *serio[HIL_MLC_DEVMEM]; - struct hil_mlc_serio_map serio_map[HIL_MLC_DEVMEM]; - hil_packet serio_opacket[HIL_MLC_DEVMEM]; - int serio_oidx[HIL_MLC_DEVMEM]; - struct hil_mlc_devinfo di_scratch; /* Temporary area */ - - int opercnt; - - struct tasklet_struct *tasklet; -}; - -int hil_mlc_register(hil_mlc *mlc); -int hil_mlc_unregister(hil_mlc *mlc); |