Merge master.kernel.org:/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog
[pandora-kernel.git] / arch / powerpc / platforms / cell / spu_priv1_mmio.c
1 /*
2  * spu hypervisor abstraction for direct hardware access.
3  *
4  *  (C) Copyright IBM Deutschland Entwicklung GmbH 2005
5  *  Copyright 2006 Sony Corp.
6  *
7  *  This program is free software; you can redistribute it and/or modify
8  *  it under the terms of the GNU General Public License as published by
9  *  the Free Software Foundation; version 2 of the License.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, write to the Free Software
18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  */
20
21 #include <linux/module.h>
22
23 #include <asm/io.h>
24 #include <asm/spu.h>
25 #include <asm/spu_priv1.h>
26
27 #include "interrupt.h"
28
29 static void int_mask_and(struct spu *spu, int class, u64 mask)
30 {
31         u64 old_mask;
32
33         old_mask = in_be64(&spu->priv1->int_mask_RW[class]);
34         out_be64(&spu->priv1->int_mask_RW[class], old_mask & mask);
35 }
36
37 static void int_mask_or(struct spu *spu, int class, u64 mask)
38 {
39         u64 old_mask;
40
41         old_mask = in_be64(&spu->priv1->int_mask_RW[class]);
42         out_be64(&spu->priv1->int_mask_RW[class], old_mask | mask);
43 }
44
45 static void int_mask_set(struct spu *spu, int class, u64 mask)
46 {
47         out_be64(&spu->priv1->int_mask_RW[class], mask);
48 }
49
50 static u64 int_mask_get(struct spu *spu, int class)
51 {
52         return in_be64(&spu->priv1->int_mask_RW[class]);
53 }
54
55 static void int_stat_clear(struct spu *spu, int class, u64 stat)
56 {
57         out_be64(&spu->priv1->int_stat_RW[class], stat);
58 }
59
60 static u64 int_stat_get(struct spu *spu, int class)
61 {
62         return in_be64(&spu->priv1->int_stat_RW[class]);
63 }
64
65 static void cpu_affinity_set(struct spu *spu, int cpu)
66 {
67         u64 target = iic_get_target_id(cpu);
68         u64 route = target << 48 | target << 32 | target << 16;
69         out_be64(&spu->priv1->int_route_RW, route);
70 }
71
72 static u64 mfc_dar_get(struct spu *spu)
73 {
74         return in_be64(&spu->priv1->mfc_dar_RW);
75 }
76
77 static u64 mfc_dsisr_get(struct spu *spu)
78 {
79         return in_be64(&spu->priv1->mfc_dsisr_RW);
80 }
81
82 static void mfc_dsisr_set(struct spu *spu, u64 dsisr)
83 {
84         out_be64(&spu->priv1->mfc_dsisr_RW, dsisr);
85 }
86
87 static void mfc_sdr_set(struct spu *spu, u64 sdr)
88 {
89         out_be64(&spu->priv1->mfc_sdr_RW, sdr);
90 }
91
92 static void mfc_sr1_set(struct spu *spu, u64 sr1)
93 {
94         out_be64(&spu->priv1->mfc_sr1_RW, sr1);
95 }
96
97 static u64 mfc_sr1_get(struct spu *spu)
98 {
99         return in_be64(&spu->priv1->mfc_sr1_RW);
100 }
101
102 static void mfc_tclass_id_set(struct spu *spu, u64 tclass_id)
103 {
104         out_be64(&spu->priv1->mfc_tclass_id_RW, tclass_id);
105 }
106
107 static u64 mfc_tclass_id_get(struct spu *spu)
108 {
109         return in_be64(&spu->priv1->mfc_tclass_id_RW);
110 }
111
112 static void tlb_invalidate(struct spu *spu)
113 {
114         out_be64(&spu->priv1->tlb_invalidate_entry_W, 0ul);
115 }
116
117 static void resource_allocation_groupID_set(struct spu *spu, u64 id)
118 {
119         out_be64(&spu->priv1->resource_allocation_groupID_RW, id);
120 }
121
122 static u64 resource_allocation_groupID_get(struct spu *spu)
123 {
124         return in_be64(&spu->priv1->resource_allocation_groupID_RW);
125 }
126
127 static void resource_allocation_enable_set(struct spu *spu, u64 enable)
128 {
129         out_be64(&spu->priv1->resource_allocation_enable_RW, enable);
130 }
131
132 static u64 resource_allocation_enable_get(struct spu *spu)
133 {
134         return in_be64(&spu->priv1->resource_allocation_enable_RW);
135 }
136
137 const struct spu_priv1_ops spu_priv1_mmio_ops =
138 {
139         .int_mask_and = int_mask_and,
140         .int_mask_or = int_mask_or,
141         .int_mask_set = int_mask_set,
142         .int_mask_get = int_mask_get,
143         .int_stat_clear = int_stat_clear,
144         .int_stat_get = int_stat_get,
145         .cpu_affinity_set = cpu_affinity_set,
146         .mfc_dar_get = mfc_dar_get,
147         .mfc_dsisr_get = mfc_dsisr_get,
148         .mfc_dsisr_set = mfc_dsisr_set,
149         .mfc_sdr_set = mfc_sdr_set,
150         .mfc_sr1_set = mfc_sr1_set,
151         .mfc_sr1_get = mfc_sr1_get,
152         .mfc_tclass_id_set = mfc_tclass_id_set,
153         .mfc_tclass_id_get = mfc_tclass_id_get,
154         .tlb_invalidate = tlb_invalidate,
155         .resource_allocation_groupID_set = resource_allocation_groupID_set,
156         .resource_allocation_groupID_get = resource_allocation_groupID_get,
157         .resource_allocation_enable_set = resource_allocation_enable_set,
158         .resource_allocation_enable_get = resource_allocation_enable_get,
159 };