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path: root/drivers/media/video/cx18/cx18-scb.c
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Diffstat (limited to 'drivers/media/video/cx18/cx18-scb.c')
-rw-r--r--drivers/media/video/cx18/cx18-scb.c121
1 files changed, 121 insertions, 0 deletions
diff --git a/drivers/media/video/cx18/cx18-scb.c b/drivers/media/video/cx18/cx18-scb.c
new file mode 100644
index 000000000000..30bc803e30da
--- /dev/null
+++ b/drivers/media/video/cx18/cx18-scb.c
@@ -0,0 +1,121 @@
1/*
2 * cx18 System Control Block initialization
3 *
4 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
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
19 * 02111-1307 USA
20 */
21
22#include "cx18-driver.h"
23#include "cx18-scb.h"
24
25void cx18_init_scb(struct cx18 *cx)
26{
27 setup_page(SCB_OFFSET);
28 memset_io(cx->scb, 0, 0x10000);
29
30 writel(IRQ_APU_TO_CPU, &cx->scb->apu2cpu_irq);
31 writel(IRQ_CPU_TO_APU_ACK, &cx->scb->cpu2apu_irq_ack);
32 writel(IRQ_HPU_TO_CPU, &cx->scb->hpu2cpu_irq);
33 writel(IRQ_CPU_TO_HPU_ACK, &cx->scb->cpu2hpu_irq_ack);
34 writel(IRQ_PPU_TO_CPU, &cx->scb->ppu2cpu_irq);
35 writel(IRQ_CPU_TO_PPU_ACK, &cx->scb->cpu2ppu_irq_ack);
36 writel(IRQ_EPU_TO_CPU, &cx->scb->epu2cpu_irq);
37 writel(IRQ_CPU_TO_EPU_ACK, &cx->scb->cpu2epu_irq_ack);
38
39 writel(IRQ_CPU_TO_APU, &cx->scb->cpu2apu_irq);
40 writel(IRQ_APU_TO_CPU_ACK, &cx->scb->apu2cpu_irq_ack);
41 writel(IRQ_HPU_TO_APU, &cx->scb->hpu2apu_irq);
42 writel(IRQ_APU_TO_HPU_ACK, &cx->scb->apu2hpu_irq_ack);
43 writel(IRQ_PPU_TO_APU, &cx->scb->ppu2apu_irq);
44 writel(IRQ_APU_TO_PPU_ACK, &cx->scb->apu2ppu_irq_ack);
45 writel(IRQ_EPU_TO_APU, &cx->scb->epu2apu_irq);
46 writel(IRQ_APU_TO_EPU_ACK, &cx->scb->apu2epu_irq_ack);
47
48 writel(IRQ_CPU_TO_HPU, &cx->scb->cpu2hpu_irq);
49 writel(IRQ_HPU_TO_CPU_ACK, &cx->scb->hpu2cpu_irq_ack);
50 writel(IRQ_APU_TO_HPU, &cx->scb->apu2hpu_irq);
51 writel(IRQ_HPU_TO_APU_ACK, &cx->scb->hpu2apu_irq_ack);
52 writel(IRQ_PPU_TO_HPU, &cx->scb->ppu2hpu_irq);
53 writel(IRQ_HPU_TO_PPU_ACK, &cx->scb->hpu2ppu_irq_ack);
54 writel(IRQ_EPU_TO_HPU, &cx->scb->epu2hpu_irq);
55 writel(IRQ_HPU_TO_EPU_ACK, &cx->scb->hpu2epu_irq_ack);
56
57 writel(IRQ_CPU_TO_PPU, &cx->scb->cpu2ppu_irq);
58 writel(IRQ_PPU_TO_CPU_ACK, &cx->scb->ppu2cpu_irq_ack);
59 writel(IRQ_APU_TO_PPU, &cx->scb->apu2ppu_irq);
60 writel(IRQ_PPU_TO_APU_ACK, &cx->scb->ppu2apu_irq_ack);
61 writel(IRQ_HPU_TO_PPU, &cx->scb->hpu2ppu_irq);
62 writel(IRQ_PPU_TO_HPU_ACK, &cx->scb->ppu2hpu_irq_ack);
63 writel(IRQ_EPU_TO_PPU, &cx->scb->epu2ppu_irq);
64 writel(IRQ_PPU_TO_EPU_ACK, &cx->scb->ppu2epu_irq_ack);
65
66 writel(IRQ_CPU_TO_EPU, &cx->scb->cpu2epu_irq);
67 writel(IRQ_EPU_TO_CPU_ACK, &cx->scb->epu2cpu_irq_ack);
68 writel(IRQ_APU_TO_EPU, &cx->scb->apu2epu_irq);
69 writel(IRQ_EPU_TO_APU_ACK, &cx->scb->epu2apu_irq_ack);
70 writel(IRQ_HPU_TO_EPU, &cx->scb->hpu2epu_irq);
71 writel(IRQ_EPU_TO_HPU_ACK, &cx->scb->epu2hpu_irq_ack);
72 writel(IRQ_PPU_TO_EPU, &cx->scb->ppu2epu_irq);
73 writel(IRQ_EPU_TO_PPU_ACK, &cx->scb->epu2ppu_irq_ack);
74
75 writel(SCB_OFFSET + offsetof(struct cx18_scb, apu2cpu_mb),
76 &cx->scb->apu2cpu_mb_offset);
77 writel(SCB_OFFSET + offsetof(struct cx18_scb, hpu2cpu_mb),
78 &cx->scb->hpu2cpu_mb_offset);
79 writel(SCB_OFFSET + offsetof(struct cx18_scb, ppu2cpu_mb),
80 &cx->scb->ppu2cpu_mb_offset);
81 writel(SCB_OFFSET + offsetof(struct cx18_scb, epu2cpu_mb),
82 &cx->scb->epu2cpu_mb_offset);
83 writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu2apu_mb),
84 &cx->scb->cpu2apu_mb_offset);
85 writel(SCB_OFFSET + offsetof(struct cx18_scb, hpu2apu_mb),
86 &cx->scb->hpu2apu_mb_offset);
87 writel(SCB_OFFSET + offsetof(struct cx18_scb, ppu2apu_mb),
88 &cx->scb->ppu2apu_mb_offset);
89 writel(SCB_OFFSET + offsetof(struct cx18_scb, epu2apu_mb),
90 &cx->scb->epu2apu_mb_offset);
91 writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu2hpu_mb),
92 &cx->scb->cpu2hpu_mb_offset);
93 writel(SCB_OFFSET + offsetof(struct cx18_scb, apu2hpu_mb),
94 &cx->scb->apu2hpu_mb_offset);
95 writel(SCB_OFFSET + offsetof(struct cx18_scb, ppu2hpu_mb),
96 &cx->scb->ppu2hpu_mb_offset);
97 writel(SCB_OFFSET + offsetof(struct cx18_scb, epu2hpu_mb),
98 &cx->scb->epu2hpu_mb_offset);
99 writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu2ppu_mb),
100 &cx->scb->cpu2ppu_mb_offset);
101 writel(SCB_OFFSET + offsetof(struct cx18_scb, apu2ppu_mb),
102 &cx->scb->apu2ppu_mb_offset);
103 writel(SCB_OFFSET + offsetof(struct cx18_scb, hpu2ppu_mb),
104 &cx->scb->hpu2ppu_mb_offset);
105 writel(SCB_OFFSET + offsetof(struct cx18_scb, epu2ppu_mb),
106 &cx->scb->epu2ppu_mb_offset);
107 writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu2epu_mb),
108 &cx->scb->cpu2epu_mb_offset);
109 writel(SCB_OFFSET + offsetof(struct cx18_scb, apu2epu_mb),
110 &cx->scb->apu2epu_mb_offset);
111 writel(SCB_OFFSET + offsetof(struct cx18_scb, hpu2epu_mb),
112 &cx->scb->hpu2epu_mb_offset);
113 writel(SCB_OFFSET + offsetof(struct cx18_scb, ppu2epu_mb),
114 &cx->scb->ppu2epu_mb_offset);
115
116 writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu_state),
117 &cx->scb->ipc_offset);
118
119 writel(1, &cx->scb->hpu_state);
120 writel(1, &cx->scb->epu_state);
121}
generated by cgit v1.2.2 (git 2.25.0) at 2024-09-28 21:40:03 -0400