xref: /linux/drivers/media/pci/cx18/cx18-scb.c (revision b285192a43f0432d82c2c10974204e78af0da596)
1*b285192aSMauro Carvalho Chehab /*
2*b285192aSMauro Carvalho Chehab  *  cx18 System Control Block initialization
3*b285192aSMauro Carvalho Chehab  *
4*b285192aSMauro Carvalho Chehab  *  Copyright (C) 2007  Hans Verkuil <hverkuil@xs4all.nl>
5*b285192aSMauro Carvalho Chehab  *  Copyright (C) 2008  Andy Walls <awalls@md.metrocast.net>
6*b285192aSMauro Carvalho Chehab  *
7*b285192aSMauro Carvalho Chehab  *  This program is free software; you can redistribute it and/or modify
8*b285192aSMauro Carvalho Chehab  *  it under the terms of the GNU General Public License as published by
9*b285192aSMauro Carvalho Chehab  *  the Free Software Foundation; either version 2 of the License, or
10*b285192aSMauro Carvalho Chehab  *  (at your option) any later version.
11*b285192aSMauro Carvalho Chehab  *
12*b285192aSMauro Carvalho Chehab  *  This program is distributed in the hope that it will be useful,
13*b285192aSMauro Carvalho Chehab  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
14*b285192aSMauro Carvalho Chehab  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15*b285192aSMauro Carvalho Chehab  *  GNU General Public License for more details.
16*b285192aSMauro Carvalho Chehab  *
17*b285192aSMauro Carvalho Chehab  *  You should have received a copy of the GNU General Public License
18*b285192aSMauro Carvalho Chehab  *  along with this program; if not, write to the Free Software
19*b285192aSMauro Carvalho Chehab  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20*b285192aSMauro Carvalho Chehab  *  02111-1307  USA
21*b285192aSMauro Carvalho Chehab  */
22*b285192aSMauro Carvalho Chehab 
23*b285192aSMauro Carvalho Chehab #include "cx18-driver.h"
24*b285192aSMauro Carvalho Chehab #include "cx18-io.h"
25*b285192aSMauro Carvalho Chehab #include "cx18-scb.h"
26*b285192aSMauro Carvalho Chehab 
27*b285192aSMauro Carvalho Chehab void cx18_init_scb(struct cx18 *cx)
28*b285192aSMauro Carvalho Chehab {
29*b285192aSMauro Carvalho Chehab 	cx18_setup_page(cx, SCB_OFFSET);
30*b285192aSMauro Carvalho Chehab 	cx18_memset_io(cx, cx->scb, 0, 0x10000);
31*b285192aSMauro Carvalho Chehab 
32*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_APU_TO_CPU,     &cx->scb->apu2cpu_irq);
33*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_CPU_TO_APU_ACK, &cx->scb->cpu2apu_irq_ack);
34*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_HPU_TO_CPU,     &cx->scb->hpu2cpu_irq);
35*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_CPU_TO_HPU_ACK, &cx->scb->cpu2hpu_irq_ack);
36*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_PPU_TO_CPU,     &cx->scb->ppu2cpu_irq);
37*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_CPU_TO_PPU_ACK, &cx->scb->cpu2ppu_irq_ack);
38*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_EPU_TO_CPU,     &cx->scb->epu2cpu_irq);
39*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_CPU_TO_EPU_ACK, &cx->scb->cpu2epu_irq_ack);
40*b285192aSMauro Carvalho Chehab 
41*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_CPU_TO_APU,     &cx->scb->cpu2apu_irq);
42*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_APU_TO_CPU_ACK, &cx->scb->apu2cpu_irq_ack);
43*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_HPU_TO_APU,     &cx->scb->hpu2apu_irq);
44*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_APU_TO_HPU_ACK, &cx->scb->apu2hpu_irq_ack);
45*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_PPU_TO_APU,     &cx->scb->ppu2apu_irq);
46*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_APU_TO_PPU_ACK, &cx->scb->apu2ppu_irq_ack);
47*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_EPU_TO_APU,     &cx->scb->epu2apu_irq);
48*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_APU_TO_EPU_ACK, &cx->scb->apu2epu_irq_ack);
49*b285192aSMauro Carvalho Chehab 
50*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_CPU_TO_HPU,     &cx->scb->cpu2hpu_irq);
51*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_HPU_TO_CPU_ACK, &cx->scb->hpu2cpu_irq_ack);
52*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_APU_TO_HPU,     &cx->scb->apu2hpu_irq);
53*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_HPU_TO_APU_ACK, &cx->scb->hpu2apu_irq_ack);
54*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_PPU_TO_HPU,     &cx->scb->ppu2hpu_irq);
55*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_HPU_TO_PPU_ACK, &cx->scb->hpu2ppu_irq_ack);
56*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_EPU_TO_HPU,     &cx->scb->epu2hpu_irq);
57*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_HPU_TO_EPU_ACK, &cx->scb->hpu2epu_irq_ack);
58*b285192aSMauro Carvalho Chehab 
59*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_CPU_TO_PPU,     &cx->scb->cpu2ppu_irq);
60*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_PPU_TO_CPU_ACK, &cx->scb->ppu2cpu_irq_ack);
61*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_APU_TO_PPU,     &cx->scb->apu2ppu_irq);
62*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_PPU_TO_APU_ACK, &cx->scb->ppu2apu_irq_ack);
63*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_HPU_TO_PPU,     &cx->scb->hpu2ppu_irq);
64*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_PPU_TO_HPU_ACK, &cx->scb->ppu2hpu_irq_ack);
65*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_EPU_TO_PPU,     &cx->scb->epu2ppu_irq);
66*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_PPU_TO_EPU_ACK, &cx->scb->ppu2epu_irq_ack);
67*b285192aSMauro Carvalho Chehab 
68*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_CPU_TO_EPU,     &cx->scb->cpu2epu_irq);
69*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_EPU_TO_CPU_ACK, &cx->scb->epu2cpu_irq_ack);
70*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_APU_TO_EPU,     &cx->scb->apu2epu_irq);
71*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_EPU_TO_APU_ACK, &cx->scb->epu2apu_irq_ack);
72*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_HPU_TO_EPU,     &cx->scb->hpu2epu_irq);
73*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_EPU_TO_HPU_ACK, &cx->scb->epu2hpu_irq_ack);
74*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_PPU_TO_EPU,     &cx->scb->ppu2epu_irq);
75*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, IRQ_EPU_TO_PPU_ACK, &cx->scb->epu2ppu_irq_ack);
76*b285192aSMauro Carvalho Chehab 
77*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2cpu_mb),
78*b285192aSMauro Carvalho Chehab 			&cx->scb->apu2cpu_mb_offset);
79*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2cpu_mb),
80*b285192aSMauro Carvalho Chehab 			&cx->scb->hpu2cpu_mb_offset);
81*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2cpu_mb),
82*b285192aSMauro Carvalho Chehab 			&cx->scb->ppu2cpu_mb_offset);
83*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2cpu_mb),
84*b285192aSMauro Carvalho Chehab 			&cx->scb->epu2cpu_mb_offset);
85*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2apu_mb),
86*b285192aSMauro Carvalho Chehab 			&cx->scb->cpu2apu_mb_offset);
87*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2apu_mb),
88*b285192aSMauro Carvalho Chehab 			&cx->scb->hpu2apu_mb_offset);
89*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2apu_mb),
90*b285192aSMauro Carvalho Chehab 			&cx->scb->ppu2apu_mb_offset);
91*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2apu_mb),
92*b285192aSMauro Carvalho Chehab 			&cx->scb->epu2apu_mb_offset);
93*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2hpu_mb),
94*b285192aSMauro Carvalho Chehab 			&cx->scb->cpu2hpu_mb_offset);
95*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2hpu_mb),
96*b285192aSMauro Carvalho Chehab 			&cx->scb->apu2hpu_mb_offset);
97*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2hpu_mb),
98*b285192aSMauro Carvalho Chehab 			&cx->scb->ppu2hpu_mb_offset);
99*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2hpu_mb),
100*b285192aSMauro Carvalho Chehab 			&cx->scb->epu2hpu_mb_offset);
101*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2ppu_mb),
102*b285192aSMauro Carvalho Chehab 			&cx->scb->cpu2ppu_mb_offset);
103*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2ppu_mb),
104*b285192aSMauro Carvalho Chehab 			&cx->scb->apu2ppu_mb_offset);
105*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2ppu_mb),
106*b285192aSMauro Carvalho Chehab 			&cx->scb->hpu2ppu_mb_offset);
107*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2ppu_mb),
108*b285192aSMauro Carvalho Chehab 			&cx->scb->epu2ppu_mb_offset);
109*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2epu_mb),
110*b285192aSMauro Carvalho Chehab 			&cx->scb->cpu2epu_mb_offset);
111*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2epu_mb),
112*b285192aSMauro Carvalho Chehab 			&cx->scb->apu2epu_mb_offset);
113*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2epu_mb),
114*b285192aSMauro Carvalho Chehab 			&cx->scb->hpu2epu_mb_offset);
115*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2epu_mb),
116*b285192aSMauro Carvalho Chehab 			&cx->scb->ppu2epu_mb_offset);
117*b285192aSMauro Carvalho Chehab 
118*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu_state),
119*b285192aSMauro Carvalho Chehab 			&cx->scb->ipc_offset);
120*b285192aSMauro Carvalho Chehab 
121*b285192aSMauro Carvalho Chehab 	cx18_writel(cx, 1, &cx->scb->epu_state);
122*b285192aSMauro Carvalho Chehab }
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