mirror of
https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-09-08 01:08:03 -04:00
Fixed MTP to work with TWRP
This commit is contained in:
awab228
commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
504
net/irda/iriap_event.c
Normal file
504
net/irda/iriap_event.c
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@ -0,0 +1,504 @@
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/*********************************************************************
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*
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* Filename: iriap_event.c
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* Version: 0.1
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* Description: IAP Finite State Machine
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* Status: Experimental.
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* Author: Dag Brattli <dagb@cs.uit.no>
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* Created at: Thu Aug 21 00:02:07 1997
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* Modified at: Wed Mar 1 11:28:34 2000
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* Modified by: Dag Brattli <dagb@cs.uit.no>
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*
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* Copyright (c) 1997, 1999-2000 Dag Brattli <dagb@cs.uit.no>,
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* All Rights Reserved.
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* Copyright (c) 2000-2003 Jean Tourrilhes <jt@hpl.hp.com>
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*
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* 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
|
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* the License, or (at your option) any later version.
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*
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||||
* Neither Dag Brattli nor University of Tromsø admit liability nor
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* provide warranty for any of this software. This material is
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* provided "AS-IS" and at no charge.
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*
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********************************************************************/
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#include <linux/slab.h>
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#include <net/irda/irda.h>
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#include <net/irda/irlmp.h>
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#include <net/irda/iriap.h>
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#include <net/irda/iriap_event.h>
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static void state_s_disconnect (struct iriap_cb *self, IRIAP_EVENT event,
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struct sk_buff *skb);
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static void state_s_connecting (struct iriap_cb *self, IRIAP_EVENT event,
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struct sk_buff *skb);
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static void state_s_call (struct iriap_cb *self, IRIAP_EVENT event,
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struct sk_buff *skb);
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static void state_s_make_call (struct iriap_cb *self, IRIAP_EVENT event,
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struct sk_buff *skb);
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static void state_s_calling (struct iriap_cb *self, IRIAP_EVENT event,
|
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struct sk_buff *skb);
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static void state_s_outstanding (struct iriap_cb *self, IRIAP_EVENT event,
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struct sk_buff *skb);
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static void state_s_replying (struct iriap_cb *self, IRIAP_EVENT event,
|
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struct sk_buff *skb);
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static void state_s_wait_for_call(struct iriap_cb *self, IRIAP_EVENT event,
|
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struct sk_buff *skb);
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static void state_s_wait_active (struct iriap_cb *self, IRIAP_EVENT event,
|
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struct sk_buff *skb);
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static void state_r_disconnect (struct iriap_cb *self, IRIAP_EVENT event,
|
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struct sk_buff *skb);
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static void state_r_call (struct iriap_cb *self, IRIAP_EVENT event,
|
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struct sk_buff *skb);
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static void state_r_waiting (struct iriap_cb *self, IRIAP_EVENT event,
|
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struct sk_buff *skb);
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static void state_r_wait_active (struct iriap_cb *self, IRIAP_EVENT event,
|
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struct sk_buff *skb);
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static void state_r_receiving (struct iriap_cb *self, IRIAP_EVENT event,
|
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struct sk_buff *skb);
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static void state_r_execute (struct iriap_cb *self, IRIAP_EVENT event,
|
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struct sk_buff *skb);
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static void state_r_returning (struct iriap_cb *self, IRIAP_EVENT event,
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struct sk_buff *skb);
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static void (*iriap_state[])(struct iriap_cb *self, IRIAP_EVENT event,
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struct sk_buff *skb) = {
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/* Client FSM */
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state_s_disconnect,
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state_s_connecting,
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state_s_call,
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|
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/* S-Call FSM */
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state_s_make_call,
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state_s_calling,
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state_s_outstanding,
|
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state_s_replying,
|
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state_s_wait_for_call,
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state_s_wait_active,
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/* Server FSM */
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state_r_disconnect,
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state_r_call,
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|
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/* R-Connect FSM */
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state_r_waiting,
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state_r_wait_active,
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||||
state_r_receiving,
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state_r_execute,
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state_r_returning,
|
||||
};
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void iriap_next_client_state(struct iriap_cb *self, IRIAP_STATE state)
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||||
{
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IRDA_ASSERT(self != NULL, return;);
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IRDA_ASSERT(self->magic == IAS_MAGIC, return;);
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||||
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self->client_state = state;
|
||||
}
|
||||
|
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void iriap_next_call_state(struct iriap_cb *self, IRIAP_STATE state)
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||||
{
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||||
IRDA_ASSERT(self != NULL, return;);
|
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IRDA_ASSERT(self->magic == IAS_MAGIC, return;);
|
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|
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self->call_state = state;
|
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}
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|
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void iriap_next_server_state(struct iriap_cb *self, IRIAP_STATE state)
|
||||
{
|
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IRDA_ASSERT(self != NULL, return;);
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IRDA_ASSERT(self->magic == IAS_MAGIC, return;);
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|
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self->server_state = state;
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}
|
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|
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void iriap_next_r_connect_state(struct iriap_cb *self, IRIAP_STATE state)
|
||||
{
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IRDA_ASSERT(self != NULL, return;);
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IRDA_ASSERT(self->magic == IAS_MAGIC, return;);
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self->r_connect_state = state;
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}
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|
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void iriap_do_client_event(struct iriap_cb *self, IRIAP_EVENT event,
|
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struct sk_buff *skb)
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||||
{
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IRDA_ASSERT(self != NULL, return;);
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IRDA_ASSERT(self->magic == IAS_MAGIC, return;);
|
||||
|
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(*iriap_state[ self->client_state]) (self, event, skb);
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}
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void iriap_do_call_event(struct iriap_cb *self, IRIAP_EVENT event,
|
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struct sk_buff *skb)
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{
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IRDA_ASSERT(self != NULL, return;);
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IRDA_ASSERT(self->magic == IAS_MAGIC, return;);
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|
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(*iriap_state[ self->call_state]) (self, event, skb);
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}
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void iriap_do_server_event(struct iriap_cb *self, IRIAP_EVENT event,
|
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struct sk_buff *skb)
|
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{
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IRDA_ASSERT(self != NULL, return;);
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IRDA_ASSERT(self->magic == IAS_MAGIC, return;);
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||||
|
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(*iriap_state[ self->server_state]) (self, event, skb);
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||||
}
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void iriap_do_r_connect_event(struct iriap_cb *self, IRIAP_EVENT event,
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||||
struct sk_buff *skb)
|
||||
{
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IRDA_ASSERT(self != NULL, return;);
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IRDA_ASSERT(self->magic == IAS_MAGIC, return;);
|
||||
|
||||
(*iriap_state[ self->r_connect_state]) (self, event, skb);
|
||||
}
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||||
|
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/*
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* Function state_s_disconnect (event, skb)
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*
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* S-Disconnect, The device has no LSAP connection to a particular
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* remote device.
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*/
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static void state_s_disconnect(struct iriap_cb *self, IRIAP_EVENT event,
|
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struct sk_buff *skb)
|
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{
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IRDA_ASSERT(self != NULL, return;);
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IRDA_ASSERT(self->magic == IAS_MAGIC, return;);
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|
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switch (event) {
|
||||
case IAP_CALL_REQUEST_GVBC:
|
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iriap_next_client_state(self, S_CONNECTING);
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IRDA_ASSERT(self->request_skb == NULL, return;);
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/* Don't forget to refcount it -
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* see iriap_getvaluebyclass_request(). */
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skb_get(skb);
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self->request_skb = skb;
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iriap_connect_request(self);
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break;
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case IAP_LM_DISCONNECT_INDICATION:
|
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break;
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||||
default:
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||||
IRDA_DEBUG(0, "%s(), Unknown event %d\n", __func__, event);
|
||||
break;
|
||||
}
|
||||
}
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|
||||
/*
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* Function state_s_connecting (self, event, skb)
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*
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* S-Connecting
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*
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||||
*/
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static void state_s_connecting(struct iriap_cb *self, IRIAP_EVENT event,
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struct sk_buff *skb)
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{
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IRDA_ASSERT(self != NULL, return;);
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IRDA_ASSERT(self->magic == IAS_MAGIC, return;);
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switch (event) {
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case IAP_LM_CONNECT_CONFIRM:
|
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/*
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* Jump to S-Call FSM
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*/
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iriap_do_call_event(self, IAP_CALL_REQUEST, skb);
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/* iriap_call_request(self, 0,0,0); */
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iriap_next_client_state(self, S_CALL);
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break;
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case IAP_LM_DISCONNECT_INDICATION:
|
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/* Abort calls */
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iriap_next_call_state(self, S_MAKE_CALL);
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iriap_next_client_state(self, S_DISCONNECT);
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break;
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default:
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IRDA_DEBUG(0, "%s(), Unknown event %d\n", __func__, event);
|
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break;
|
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}
|
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}
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|
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/*
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* Function state_s_call (self, event, skb)
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*
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* S-Call, The device can process calls to a specific remote
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* device. Whenever the LSAP connection is disconnected, this state
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* catches that event and clears up
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*/
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static void state_s_call(struct iriap_cb *self, IRIAP_EVENT event,
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struct sk_buff *skb)
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{
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IRDA_ASSERT(self != NULL, return;);
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|
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switch (event) {
|
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case IAP_LM_DISCONNECT_INDICATION:
|
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/* Abort calls */
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iriap_next_call_state(self, S_MAKE_CALL);
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iriap_next_client_state(self, S_DISCONNECT);
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break;
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default:
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IRDA_DEBUG(0, "state_s_call: Unknown event %d\n", event);
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break;
|
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}
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}
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|
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/*
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* Function state_s_make_call (event, skb)
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*
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* S-Make-Call
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*
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||||
*/
|
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static void state_s_make_call(struct iriap_cb *self, IRIAP_EVENT event,
|
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struct sk_buff *skb)
|
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{
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struct sk_buff *tx_skb;
|
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|
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IRDA_ASSERT(self != NULL, return;);
|
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|
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switch (event) {
|
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case IAP_CALL_REQUEST:
|
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/* Already refcounted - see state_s_disconnect() */
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tx_skb = self->request_skb;
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self->request_skb = NULL;
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irlmp_data_request(self->lsap, tx_skb);
|
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iriap_next_call_state(self, S_OUTSTANDING);
|
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break;
|
||||
default:
|
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IRDA_DEBUG(0, "%s(), Unknown event %d\n", __func__, event);
|
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break;
|
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}
|
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}
|
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|
||||
/*
|
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* Function state_s_calling (event, skb)
|
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*
|
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* S-Calling
|
||||
*
|
||||
*/
|
||||
static void state_s_calling(struct iriap_cb *self, IRIAP_EVENT event,
|
||||
struct sk_buff *skb)
|
||||
{
|
||||
IRDA_DEBUG(0, "%s(), Not implemented\n", __func__);
|
||||
}
|
||||
|
||||
/*
|
||||
* Function state_s_outstanding (event, skb)
|
||||
*
|
||||
* S-Outstanding, The device is waiting for a response to a command
|
||||
*
|
||||
*/
|
||||
static void state_s_outstanding(struct iriap_cb *self, IRIAP_EVENT event,
|
||||
struct sk_buff *skb)
|
||||
{
|
||||
IRDA_ASSERT(self != NULL, return;);
|
||||
|
||||
switch (event) {
|
||||
case IAP_RECV_F_LST:
|
||||
/*iriap_send_ack(self);*/
|
||||
/*LM_Idle_request(idle); */
|
||||
|
||||
iriap_next_call_state(self, S_WAIT_FOR_CALL);
|
||||
break;
|
||||
default:
|
||||
IRDA_DEBUG(0, "%s(), Unknown event %d\n", __func__, event);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Function state_s_replying (event, skb)
|
||||
*
|
||||
* S-Replying, The device is collecting a multiple part response
|
||||
*/
|
||||
static void state_s_replying(struct iriap_cb *self, IRIAP_EVENT event,
|
||||
struct sk_buff *skb)
|
||||
{
|
||||
IRDA_DEBUG(0, "%s(), Not implemented\n", __func__);
|
||||
}
|
||||
|
||||
/*
|
||||
* Function state_s_wait_for_call (event, skb)
|
||||
*
|
||||
* S-Wait-for-Call
|
||||
*
|
||||
*/
|
||||
static void state_s_wait_for_call(struct iriap_cb *self, IRIAP_EVENT event,
|
||||
struct sk_buff *skb)
|
||||
{
|
||||
IRDA_DEBUG(0, "%s(), Not implemented\n", __func__);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Function state_s_wait_active (event, skb)
|
||||
*
|
||||
* S-Wait-Active
|
||||
*
|
||||
*/
|
||||
static void state_s_wait_active(struct iriap_cb *self, IRIAP_EVENT event,
|
||||
struct sk_buff *skb)
|
||||
{
|
||||
IRDA_DEBUG(0, "%s(), Not implemented\n", __func__);
|
||||
}
|
||||
|
||||
/**************************************************************************
|
||||
*
|
||||
* Server FSM
|
||||
*
|
||||
**************************************************************************/
|
||||
|
||||
/*
|
||||
* Function state_r_disconnect (self, event, skb)
|
||||
*
|
||||
* LM-IAS server is disconnected (not processing any requests!)
|
||||
*
|
||||
*/
|
||||
static void state_r_disconnect(struct iriap_cb *self, IRIAP_EVENT event,
|
||||
struct sk_buff *skb)
|
||||
{
|
||||
struct sk_buff *tx_skb;
|
||||
|
||||
switch (event) {
|
||||
case IAP_LM_CONNECT_INDICATION:
|
||||
tx_skb = alloc_skb(LMP_MAX_HEADER, GFP_ATOMIC);
|
||||
if (tx_skb == NULL) {
|
||||
IRDA_WARNING("%s: unable to malloc!\n", __func__);
|
||||
return;
|
||||
}
|
||||
|
||||
/* Reserve space for MUX_CONTROL and LAP header */
|
||||
skb_reserve(tx_skb, LMP_MAX_HEADER);
|
||||
|
||||
irlmp_connect_response(self->lsap, tx_skb);
|
||||
/*LM_Idle_request(idle); */
|
||||
|
||||
iriap_next_server_state(self, R_CALL);
|
||||
|
||||
/*
|
||||
* Jump to R-Connect FSM, we skip R-Waiting since we do not
|
||||
* care about LM_Idle_request()!
|
||||
*/
|
||||
iriap_next_r_connect_state(self, R_RECEIVING);
|
||||
break;
|
||||
default:
|
||||
IRDA_DEBUG(0, "%s(), unknown event %d\n", __func__, event);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Function state_r_call (self, event, skb)
|
||||
*/
|
||||
static void state_r_call(struct iriap_cb *self, IRIAP_EVENT event,
|
||||
struct sk_buff *skb)
|
||||
{
|
||||
IRDA_DEBUG(4, "%s()\n", __func__);
|
||||
|
||||
switch (event) {
|
||||
case IAP_LM_DISCONNECT_INDICATION:
|
||||
/* Abort call */
|
||||
iriap_next_server_state(self, R_DISCONNECT);
|
||||
iriap_next_r_connect_state(self, R_WAITING);
|
||||
break;
|
||||
default:
|
||||
IRDA_DEBUG(0, "%s(), unknown event!\n", __func__);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* R-Connect FSM
|
||||
*/
|
||||
|
||||
/*
|
||||
* Function state_r_waiting (self, event, skb)
|
||||
*/
|
||||
static void state_r_waiting(struct iriap_cb *self, IRIAP_EVENT event,
|
||||
struct sk_buff *skb)
|
||||
{
|
||||
IRDA_DEBUG(0, "%s(), Not implemented\n", __func__);
|
||||
}
|
||||
|
||||
static void state_r_wait_active(struct iriap_cb *self, IRIAP_EVENT event,
|
||||
struct sk_buff *skb)
|
||||
{
|
||||
IRDA_DEBUG(0, "%s(), Not implemented\n", __func__);
|
||||
}
|
||||
|
||||
/*
|
||||
* Function state_r_receiving (self, event, skb)
|
||||
*
|
||||
* We are receiving a command
|
||||
*
|
||||
*/
|
||||
static void state_r_receiving(struct iriap_cb *self, IRIAP_EVENT event,
|
||||
struct sk_buff *skb)
|
||||
{
|
||||
IRDA_DEBUG(4, "%s()\n", __func__);
|
||||
|
||||
switch (event) {
|
||||
case IAP_RECV_F_LST:
|
||||
iriap_next_r_connect_state(self, R_EXECUTE);
|
||||
|
||||
iriap_call_indication(self, skb);
|
||||
break;
|
||||
default:
|
||||
IRDA_DEBUG(0, "%s(), unknown event!\n", __func__);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Function state_r_execute (self, event, skb)
|
||||
*
|
||||
* The server is processing the request
|
||||
*
|
||||
*/
|
||||
static void state_r_execute(struct iriap_cb *self, IRIAP_EVENT event,
|
||||
struct sk_buff *skb)
|
||||
{
|
||||
IRDA_DEBUG(4, "%s()\n", __func__);
|
||||
|
||||
IRDA_ASSERT(skb != NULL, return;);
|
||||
IRDA_ASSERT(self != NULL, return;);
|
||||
IRDA_ASSERT(self->magic == IAS_MAGIC, return;);
|
||||
|
||||
switch (event) {
|
||||
case IAP_CALL_RESPONSE:
|
||||
/*
|
||||
* Since we don't implement the Waiting state, we return
|
||||
* to state Receiving instead, DB.
|
||||
*/
|
||||
iriap_next_r_connect_state(self, R_RECEIVING);
|
||||
|
||||
/* Don't forget to refcount it - see
|
||||
* iriap_getvaluebyclass_response(). */
|
||||
skb_get(skb);
|
||||
|
||||
irlmp_data_request(self->lsap, skb);
|
||||
break;
|
||||
default:
|
||||
IRDA_DEBUG(0, "%s(), unknown event!\n", __func__);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
static void state_r_returning(struct iriap_cb *self, IRIAP_EVENT event,
|
||||
struct sk_buff *skb)
|
||||
{
|
||||
IRDA_DEBUG(0, "%s(), event=%d\n", __func__, event);
|
||||
|
||||
switch (event) {
|
||||
case IAP_RECV_F_LST:
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue