xref: /openbmc/linux/drivers/media/pci/cx18/cx18-scb.c (revision cf028200)
1 /*
2  *  cx18 System Control Block initialization
3  *
4  *  Copyright (C) 2007  Hans Verkuil <hverkuil@xs4all.nl>
5  *  Copyright (C) 2008  Andy Walls <awalls@md.metrocast.net>
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; either version 2 of the License, or
10  *  (at your option) any later version.
11  *
12  *  This program is distributed in the hope that it will be useful,
13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  *  GNU General Public License for more details.
16  *
17  *  You should have received a copy of the GNU General Public License
18  *  along with this program; if not, write to the Free Software
19  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20  *  02111-1307  USA
21  */
22 
23 #include "cx18-driver.h"
24 #include "cx18-io.h"
25 #include "cx18-scb.h"
26 
27 void cx18_init_scb(struct cx18 *cx)
28 {
29 	cx18_setup_page(cx, SCB_OFFSET);
30 	cx18_memset_io(cx, cx->scb, 0, 0x10000);
31 
32 	cx18_writel(cx, IRQ_APU_TO_CPU,     &cx->scb->apu2cpu_irq);
33 	cx18_writel(cx, IRQ_CPU_TO_APU_ACK, &cx->scb->cpu2apu_irq_ack);
34 	cx18_writel(cx, IRQ_HPU_TO_CPU,     &cx->scb->hpu2cpu_irq);
35 	cx18_writel(cx, IRQ_CPU_TO_HPU_ACK, &cx->scb->cpu2hpu_irq_ack);
36 	cx18_writel(cx, IRQ_PPU_TO_CPU,     &cx->scb->ppu2cpu_irq);
37 	cx18_writel(cx, IRQ_CPU_TO_PPU_ACK, &cx->scb->cpu2ppu_irq_ack);
38 	cx18_writel(cx, IRQ_EPU_TO_CPU,     &cx->scb->epu2cpu_irq);
39 	cx18_writel(cx, IRQ_CPU_TO_EPU_ACK, &cx->scb->cpu2epu_irq_ack);
40 
41 	cx18_writel(cx, IRQ_CPU_TO_APU,     &cx->scb->cpu2apu_irq);
42 	cx18_writel(cx, IRQ_APU_TO_CPU_ACK, &cx->scb->apu2cpu_irq_ack);
43 	cx18_writel(cx, IRQ_HPU_TO_APU,     &cx->scb->hpu2apu_irq);
44 	cx18_writel(cx, IRQ_APU_TO_HPU_ACK, &cx->scb->apu2hpu_irq_ack);
45 	cx18_writel(cx, IRQ_PPU_TO_APU,     &cx->scb->ppu2apu_irq);
46 	cx18_writel(cx, IRQ_APU_TO_PPU_ACK, &cx->scb->apu2ppu_irq_ack);
47 	cx18_writel(cx, IRQ_EPU_TO_APU,     &cx->scb->epu2apu_irq);
48 	cx18_writel(cx, IRQ_APU_TO_EPU_ACK, &cx->scb->apu2epu_irq_ack);
49 
50 	cx18_writel(cx, IRQ_CPU_TO_HPU,     &cx->scb->cpu2hpu_irq);
51 	cx18_writel(cx, IRQ_HPU_TO_CPU_ACK, &cx->scb->hpu2cpu_irq_ack);
52 	cx18_writel(cx, IRQ_APU_TO_HPU,     &cx->scb->apu2hpu_irq);
53 	cx18_writel(cx, IRQ_HPU_TO_APU_ACK, &cx->scb->hpu2apu_irq_ack);
54 	cx18_writel(cx, IRQ_PPU_TO_HPU,     &cx->scb->ppu2hpu_irq);
55 	cx18_writel(cx, IRQ_HPU_TO_PPU_ACK, &cx->scb->hpu2ppu_irq_ack);
56 	cx18_writel(cx, IRQ_EPU_TO_HPU,     &cx->scb->epu2hpu_irq);
57 	cx18_writel(cx, IRQ_HPU_TO_EPU_ACK, &cx->scb->hpu2epu_irq_ack);
58 
59 	cx18_writel(cx, IRQ_CPU_TO_PPU,     &cx->scb->cpu2ppu_irq);
60 	cx18_writel(cx, IRQ_PPU_TO_CPU_ACK, &cx->scb->ppu2cpu_irq_ack);
61 	cx18_writel(cx, IRQ_APU_TO_PPU,     &cx->scb->apu2ppu_irq);
62 	cx18_writel(cx, IRQ_PPU_TO_APU_ACK, &cx->scb->ppu2apu_irq_ack);
63 	cx18_writel(cx, IRQ_HPU_TO_PPU,     &cx->scb->hpu2ppu_irq);
64 	cx18_writel(cx, IRQ_PPU_TO_HPU_ACK, &cx->scb->ppu2hpu_irq_ack);
65 	cx18_writel(cx, IRQ_EPU_TO_PPU,     &cx->scb->epu2ppu_irq);
66 	cx18_writel(cx, IRQ_PPU_TO_EPU_ACK, &cx->scb->ppu2epu_irq_ack);
67 
68 	cx18_writel(cx, IRQ_CPU_TO_EPU,     &cx->scb->cpu2epu_irq);
69 	cx18_writel(cx, IRQ_EPU_TO_CPU_ACK, &cx->scb->epu2cpu_irq_ack);
70 	cx18_writel(cx, IRQ_APU_TO_EPU,     &cx->scb->apu2epu_irq);
71 	cx18_writel(cx, IRQ_EPU_TO_APU_ACK, &cx->scb->epu2apu_irq_ack);
72 	cx18_writel(cx, IRQ_HPU_TO_EPU,     &cx->scb->hpu2epu_irq);
73 	cx18_writel(cx, IRQ_EPU_TO_HPU_ACK, &cx->scb->epu2hpu_irq_ack);
74 	cx18_writel(cx, IRQ_PPU_TO_EPU,     &cx->scb->ppu2epu_irq);
75 	cx18_writel(cx, IRQ_EPU_TO_PPU_ACK, &cx->scb->epu2ppu_irq_ack);
76 
77 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2cpu_mb),
78 			&cx->scb->apu2cpu_mb_offset);
79 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2cpu_mb),
80 			&cx->scb->hpu2cpu_mb_offset);
81 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2cpu_mb),
82 			&cx->scb->ppu2cpu_mb_offset);
83 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2cpu_mb),
84 			&cx->scb->epu2cpu_mb_offset);
85 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2apu_mb),
86 			&cx->scb->cpu2apu_mb_offset);
87 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2apu_mb),
88 			&cx->scb->hpu2apu_mb_offset);
89 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2apu_mb),
90 			&cx->scb->ppu2apu_mb_offset);
91 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2apu_mb),
92 			&cx->scb->epu2apu_mb_offset);
93 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2hpu_mb),
94 			&cx->scb->cpu2hpu_mb_offset);
95 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2hpu_mb),
96 			&cx->scb->apu2hpu_mb_offset);
97 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2hpu_mb),
98 			&cx->scb->ppu2hpu_mb_offset);
99 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2hpu_mb),
100 			&cx->scb->epu2hpu_mb_offset);
101 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2ppu_mb),
102 			&cx->scb->cpu2ppu_mb_offset);
103 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2ppu_mb),
104 			&cx->scb->apu2ppu_mb_offset);
105 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2ppu_mb),
106 			&cx->scb->hpu2ppu_mb_offset);
107 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2ppu_mb),
108 			&cx->scb->epu2ppu_mb_offset);
109 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2epu_mb),
110 			&cx->scb->cpu2epu_mb_offset);
111 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2epu_mb),
112 			&cx->scb->apu2epu_mb_offset);
113 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2epu_mb),
114 			&cx->scb->hpu2epu_mb_offset);
115 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2epu_mb),
116 			&cx->scb->ppu2epu_mb_offset);
117 
118 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu_state),
119 			&cx->scb->ipc_offset);
120 
121 	cx18_writel(cx, 1, &cx->scb->epu_state);
122 }
123