diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-scb.c')
-rw-r--r-- | drivers/media/video/cx18/cx18-scb.c | 121 |
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 | |||
25 | void 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 | } | ||