xref: /linux/drivers/media/pci/cx18/cx18-scb.c (revision 8c994eff8fcfe8ecb1f1dbebed25b4d7bb75be12)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *  cx18 System Control Block initialization
4  *
5  *  Copyright (C) 2007  Hans Verkuil <hverkuil@xs4all.nl>
6  *  Copyright (C) 2008  Andy Walls <awalls@md.metrocast.net>
7  */
8 
9 #include "cx18-driver.h"
10 #include "cx18-io.h"
11 #include "cx18-scb.h"
12 
13 void cx18_init_scb(struct cx18 *cx)
14 {
15 	cx18_setup_page(cx, SCB_OFFSET);
16 	cx18_memset_io(cx, cx->scb, 0, 0x10000);
17 
18 	cx18_writel(cx, IRQ_APU_TO_CPU,     &cx->scb->apu2cpu_irq);
19 	cx18_writel(cx, IRQ_CPU_TO_APU_ACK, &cx->scb->cpu2apu_irq_ack);
20 	cx18_writel(cx, IRQ_HPU_TO_CPU,     &cx->scb->hpu2cpu_irq);
21 	cx18_writel(cx, IRQ_CPU_TO_HPU_ACK, &cx->scb->cpu2hpu_irq_ack);
22 	cx18_writel(cx, IRQ_PPU_TO_CPU,     &cx->scb->ppu2cpu_irq);
23 	cx18_writel(cx, IRQ_CPU_TO_PPU_ACK, &cx->scb->cpu2ppu_irq_ack);
24 	cx18_writel(cx, IRQ_EPU_TO_CPU,     &cx->scb->epu2cpu_irq);
25 	cx18_writel(cx, IRQ_CPU_TO_EPU_ACK, &cx->scb->cpu2epu_irq_ack);
26 
27 	cx18_writel(cx, IRQ_CPU_TO_APU,     &cx->scb->cpu2apu_irq);
28 	cx18_writel(cx, IRQ_APU_TO_CPU_ACK, &cx->scb->apu2cpu_irq_ack);
29 	cx18_writel(cx, IRQ_HPU_TO_APU,     &cx->scb->hpu2apu_irq);
30 	cx18_writel(cx, IRQ_APU_TO_HPU_ACK, &cx->scb->apu2hpu_irq_ack);
31 	cx18_writel(cx, IRQ_PPU_TO_APU,     &cx->scb->ppu2apu_irq);
32 	cx18_writel(cx, IRQ_APU_TO_PPU_ACK, &cx->scb->apu2ppu_irq_ack);
33 	cx18_writel(cx, IRQ_EPU_TO_APU,     &cx->scb->epu2apu_irq);
34 	cx18_writel(cx, IRQ_APU_TO_EPU_ACK, &cx->scb->apu2epu_irq_ack);
35 
36 	cx18_writel(cx, IRQ_CPU_TO_HPU,     &cx->scb->cpu2hpu_irq);
37 	cx18_writel(cx, IRQ_HPU_TO_CPU_ACK, &cx->scb->hpu2cpu_irq_ack);
38 	cx18_writel(cx, IRQ_APU_TO_HPU,     &cx->scb->apu2hpu_irq);
39 	cx18_writel(cx, IRQ_HPU_TO_APU_ACK, &cx->scb->hpu2apu_irq_ack);
40 	cx18_writel(cx, IRQ_PPU_TO_HPU,     &cx->scb->ppu2hpu_irq);
41 	cx18_writel(cx, IRQ_HPU_TO_PPU_ACK, &cx->scb->hpu2ppu_irq_ack);
42 	cx18_writel(cx, IRQ_EPU_TO_HPU,     &cx->scb->epu2hpu_irq);
43 	cx18_writel(cx, IRQ_HPU_TO_EPU_ACK, &cx->scb->hpu2epu_irq_ack);
44 
45 	cx18_writel(cx, IRQ_CPU_TO_PPU,     &cx->scb->cpu2ppu_irq);
46 	cx18_writel(cx, IRQ_PPU_TO_CPU_ACK, &cx->scb->ppu2cpu_irq_ack);
47 	cx18_writel(cx, IRQ_APU_TO_PPU,     &cx->scb->apu2ppu_irq);
48 	cx18_writel(cx, IRQ_PPU_TO_APU_ACK, &cx->scb->ppu2apu_irq_ack);
49 	cx18_writel(cx, IRQ_HPU_TO_PPU,     &cx->scb->hpu2ppu_irq);
50 	cx18_writel(cx, IRQ_PPU_TO_HPU_ACK, &cx->scb->ppu2hpu_irq_ack);
51 	cx18_writel(cx, IRQ_EPU_TO_PPU,     &cx->scb->epu2ppu_irq);
52 	cx18_writel(cx, IRQ_PPU_TO_EPU_ACK, &cx->scb->ppu2epu_irq_ack);
53 
54 	cx18_writel(cx, IRQ_CPU_TO_EPU,     &cx->scb->cpu2epu_irq);
55 	cx18_writel(cx, IRQ_EPU_TO_CPU_ACK, &cx->scb->epu2cpu_irq_ack);
56 	cx18_writel(cx, IRQ_APU_TO_EPU,     &cx->scb->apu2epu_irq);
57 	cx18_writel(cx, IRQ_EPU_TO_APU_ACK, &cx->scb->epu2apu_irq_ack);
58 	cx18_writel(cx, IRQ_HPU_TO_EPU,     &cx->scb->hpu2epu_irq);
59 	cx18_writel(cx, IRQ_EPU_TO_HPU_ACK, &cx->scb->epu2hpu_irq_ack);
60 	cx18_writel(cx, IRQ_PPU_TO_EPU,     &cx->scb->ppu2epu_irq);
61 	cx18_writel(cx, IRQ_EPU_TO_PPU_ACK, &cx->scb->epu2ppu_irq_ack);
62 
63 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2cpu_mb),
64 			&cx->scb->apu2cpu_mb_offset);
65 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2cpu_mb),
66 			&cx->scb->hpu2cpu_mb_offset);
67 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2cpu_mb),
68 			&cx->scb->ppu2cpu_mb_offset);
69 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2cpu_mb),
70 			&cx->scb->epu2cpu_mb_offset);
71 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2apu_mb),
72 			&cx->scb->cpu2apu_mb_offset);
73 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2apu_mb),
74 			&cx->scb->hpu2apu_mb_offset);
75 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2apu_mb),
76 			&cx->scb->ppu2apu_mb_offset);
77 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2apu_mb),
78 			&cx->scb->epu2apu_mb_offset);
79 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2hpu_mb),
80 			&cx->scb->cpu2hpu_mb_offset);
81 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2hpu_mb),
82 			&cx->scb->apu2hpu_mb_offset);
83 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2hpu_mb),
84 			&cx->scb->ppu2hpu_mb_offset);
85 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2hpu_mb),
86 			&cx->scb->epu2hpu_mb_offset);
87 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2ppu_mb),
88 			&cx->scb->cpu2ppu_mb_offset);
89 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2ppu_mb),
90 			&cx->scb->apu2ppu_mb_offset);
91 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2ppu_mb),
92 			&cx->scb->hpu2ppu_mb_offset);
93 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2ppu_mb),
94 			&cx->scb->epu2ppu_mb_offset);
95 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2epu_mb),
96 			&cx->scb->cpu2epu_mb_offset);
97 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2epu_mb),
98 			&cx->scb->apu2epu_mb_offset);
99 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2epu_mb),
100 			&cx->scb->hpu2epu_mb_offset);
101 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2epu_mb),
102 			&cx->scb->ppu2epu_mb_offset);
103 
104 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu_state),
105 			&cx->scb->ipc_offset);
106 
107 	cx18_writel(cx, 1, &cx->scb->epu_state);
108 }
109