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path: root/drivers/char/rio/list.h
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Diffstat (limited to 'drivers/char/rio/list.h')
-rw-r--r--drivers/char/rio/list.h140
1 files changed, 0 insertions, 140 deletions
diff --git a/drivers/char/rio/list.h b/drivers/char/rio/list.h
index 36aad4c9cb3..79b853140ae 100644
--- a/drivers/char/rio/list.h
+++ b/drivers/char/rio/list.h
@@ -44,8 +44,6 @@ static char *_rio_list_h_sccs = "@(#)list.h 1.9";
44 44
45#define PKT_IN_USE 0x1 45#define PKT_IN_USE 0x1
46 46
47#ifdef INKERNEL
48
49#define ZERO_PTR (ushort) 0x8000 47#define ZERO_PTR (ushort) 0x8000
50#define CaD PortP->Caddr 48#define CaD PortP->Caddr
51 49
@@ -54,143 +52,5 @@ static char *_rio_list_h_sccs = "@(#)list.h 1.9";
54** to by the TxAdd pointer has PKT_IN_USE clear in its address. 52** to by the TxAdd pointer has PKT_IN_USE clear in its address.
55*/ 53*/
56 54
57#ifndef linux
58#if defined( MIPS ) && !defined( MIPSEISA )
59/* May the shoes of the Devil dance on your grave for creating this */
60#define can_add_transmit(PacketP,PortP) \
61 (!((uint)(PacketP = (struct PKT *)RIO_PTR(CaD,RINDW(PortP->TxAdd))) \
62 & (PKT_IN_USE<<2)))
63
64#elif defined(MIPSEISA) || defined(nx6000) || \
65 defined(drs6000) || defined(UWsparc)
66
67#define can_add_transmit(PacketP,PortP) \
68 (!((uint)(PacketP = (struct PKT *)RIO_PTR(CaD,RINDW(PortP->TxAdd))) \
69 & PKT_IN_USE))
70
71#else
72#define can_add_transmit(PacketP,PortP) \
73 (!((uint)(PacketP = (struct PKT *)RIO_PTR(CaD,*PortP->TxAdd)) \
74 & PKT_IN_USE))
75#endif
76
77/*
78** To add a packet to the queue, you set the PKT_IN_USE bit in the address,
79** and then move the TxAdd pointer along one position to point to the next
80** packet pointer. You must wrap the pointer from the end back to the start.
81*/
82#if defined(MIPS) || defined(nx6000) || defined(drs6000) || defined(UWsparc)
83# define add_transmit(PortP) \
84 WINDW(PortP->TxAdd,RINDW(PortP->TxAdd) | PKT_IN_USE);\
85 if (PortP->TxAdd == PortP->TxEnd)\
86 PortP->TxAdd = PortP->TxStart;\
87 else\
88 PortP->TxAdd++;\
89 WWORD(PortP->PhbP->tx_add , RIO_OFF(CaD,PortP->TxAdd));
90#elif defined(AIX)
91# define add_transmit(PortP) \
92 {\
93 register ushort *TxAddP = (ushort *)RIO_PTR(Cad,PortP->TxAddO);\
94 WINDW( TxAddP, RINDW( TxAddP ) | PKT_IN_USE );\
95 if (PortP->TxAddO == PortP->TxEndO )\
96 PortP->TxAddO = PortP->TxStartO;\
97 else\
98 PortP->TxAddO += sizeof(ushort);\
99 WWORD(((PHB *)RIO_PTR(Cad,PortP->PhbO))->tx_add , PortP->TxAddO );\
100 }
101#else
102# define add_transmit(PortP) \
103 *PortP->TxAdd |= PKT_IN_USE;\
104 if (PortP->TxAdd == PortP->TxEnd)\
105 PortP->TxAdd = PortP->TxStart;\
106 else\
107 PortP->TxAdd++;\
108 PortP->PhbP->tx_add = RIO_OFF(CaD,PortP->TxAdd);
109#endif
110
111/*
112** can_remove_receive( PacketP, PortP ) returns non-zero if PKT_IN_USE is set
113** for the next packet on the queue. It will also set PacketP to point to the
114** relevant packet, [having cleared the PKT_IN_USE bit]. If PKT_IN_USE is clear,
115** then can_remove_receive() returns 0.
116*/
117#if defined(MIPS) || defined(nx6000) || defined(drs6000) || defined(UWsparc)
118# define can_remove_receive(PacketP,PortP) \
119 ((RINDW(PortP->RxRemove) & PKT_IN_USE) ? \
120 (PacketP=(struct PKT *)RIO_PTR(CaD,(RINDW(PortP->RxRemove) & ~PKT_IN_USE))):0)
121#elif defined(AIX)
122# define can_remove_receive(PacketP,PortP) \
123 ((RINDW((ushort *)RIO_PTR(Cad,PortP->RxRemoveO)) & PKT_IN_USE) ? \
124 (PacketP=(struct PKT *)RIO_PTR(Cad,RINDW((ushort *)RIO_PTR(Cad,PortP->RxRemoveO)) & ~PKT_IN_USE)):0)
125#else
126# define can_remove_receive(PacketP,PortP) \
127 ((*PortP->RxRemove & PKT_IN_USE) ? \
128 (PacketP=(struct PKT *)RIO_PTR(CaD,(*PortP->RxRemove & ~PKT_IN_USE))):0)
129#endif
130
131
132/*
133** Will God see it within his heart to forgive us for this thing that
134** we have created? To remove a packet from the receive queue you clear
135** its PKT_IN_USE bit, and then bump the pointers. Once the pointers
136** get to the end, they must be wrapped back to the start.
137*/
138#if defined(MIPS) || defined(nx6000) || defined(drs6000) || defined(UWsparc)
139# define remove_receive(PortP) \
140 WINDW(PortP->RxRemove, (RINDW(PortP->RxRemove) & ~PKT_IN_USE));\
141 if (PortP->RxRemove == PortP->RxEnd)\
142 PortP->RxRemove = PortP->RxStart;\
143 else\
144 PortP->RxRemove++;\
145 WWORD(PortP->PhbP->rx_remove , RIO_OFF(CaD,PortP->RxRemove));
146#elif defined(AIX)
147# define remove_receive(PortP) \
148 {\
149 register ushort *RxRemoveP = (ushort *)RIO_PTR(Cad,PortP->RxRemoveO);\
150 WINDW( RxRemoveP, RINDW( RxRemoveP ) & ~PKT_IN_USE );\
151 if (PortP->RxRemoveO == PortP->RxEndO)\
152 PortP->RxRemoveO = PortP->RxStartO;\
153 else\
154 PortP->RxRemoveO += sizeof(ushort);\
155 WWORD(((PHB *)RIO_PTR(Cad,PortP->PhbO))->rx_remove, PortP->RxRemoveO );\
156 }
157#else
158# define remove_receive(PortP) \
159 *PortP->RxRemove &= ~PKT_IN_USE;\
160 if (PortP->RxRemove == PortP->RxEnd)\
161 PortP->RxRemove = PortP->RxStart;\
162 else\
163 PortP->RxRemove++;\
164 PortP->PhbP->rx_remove = RIO_OFF(CaD,PortP->RxRemove);
165#endif
166#endif
167
168
169#else /* !IN_KERNEL */
170
171#define ZERO_PTR NULL
172
173
174#ifdef HOST
175/* #define can_remove_transmit(pkt,phb) ((((char*)pkt = (*(char**)(phb->tx_remove))-1) || 1)) && (*phb->u3.s2.tx_remove_ptr & PKT_IN_USE)) */
176#define remove_transmit(phb) *phb->u3.s2.tx_remove_ptr &= ~(ushort)PKT_IN_USE;\
177 if (phb->tx_remove == phb->tx_end)\
178 phb->tx_remove = phb->tx_start;\
179 else\
180 phb->tx_remove++;
181#define can_add_receive(phb) !(*phb->u4.s2.rx_add_ptr & PKT_IN_USE)
182#define add_receive(pkt,phb) *phb->rx_add = pkt;\
183 *phb->u4.s2.rx_add_ptr |= PKT_IN_USE;\
184 if (phb->rx_add == phb->rx_end)\
185 phb->rx_add = phb->rx_start;\
186 else\
187 phb->rx_add++;
188#endif
189#endif
190
191#ifdef RTA
192#define splx(oldspl) if ((oldspl) == 0) spl0()
193#endif
194
195#endif /* ifndef _list.h */ 55#endif /* ifndef _list.h */
196/*********** end of file ***********/ 56/*********** end of file ***********/