drivers/media/pci/cx18/cx18-scb.c

   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
  18 #include "cx18-driver.h"
  19 #include "cx18-io.h"
  20 #include "cx18-scb.h"
  21
  22 void cx18_init_scb(struct cx18 *cx)
  23 {
  24         cx18_setup_page(cx, SCB_OFFSET);
  25         cx18_memset_io(cx, cx->scb, 0, 0x10000);
  26
  27         cx18_writel(cx, IRQ_APU_TO_CPU,     &cx->scb->apu2cpu_irq);
  28         cx18_writel(cx, IRQ_CPU_TO_APU_ACK, &cx->scb->cpu2apu_irq_ack);
  29         cx18_writel(cx, IRQ_HPU_TO_CPU,     &cx->scb->hpu2cpu_irq);
  30         cx18_writel(cx, IRQ_CPU_TO_HPU_ACK, &cx->scb->cpu2hpu_irq_ack);
  31         cx18_writel(cx, IRQ_PPU_TO_CPU,     &cx->scb->ppu2cpu_irq);
  32         cx18_writel(cx, IRQ_CPU_TO_PPU_ACK, &cx->scb->cpu2ppu_irq_ack);
  33         cx18_writel(cx, IRQ_EPU_TO_CPU,     &cx->scb->epu2cpu_irq);
  34         cx18_writel(cx, IRQ_CPU_TO_EPU_ACK, &cx->scb->cpu2epu_irq_ack);
  35
  36         cx18_writel(cx, IRQ_CPU_TO_APU,     &cx->scb->cpu2apu_irq);
  37         cx18_writel(cx, IRQ_APU_TO_CPU_ACK, &cx->scb->apu2cpu_irq_ack);
  38         cx18_writel(cx, IRQ_HPU_TO_APU,     &cx->scb->hpu2apu_irq);
  39         cx18_writel(cx, IRQ_APU_TO_HPU_ACK, &cx->scb->apu2hpu_irq_ack);
  40         cx18_writel(cx, IRQ_PPU_TO_APU,     &cx->scb->ppu2apu_irq);
  41         cx18_writel(cx, IRQ_APU_TO_PPU_ACK, &cx->scb->apu2ppu_irq_ack);
  42         cx18_writel(cx, IRQ_EPU_TO_APU,     &cx->scb->epu2apu_irq);
  43         cx18_writel(cx, IRQ_APU_TO_EPU_ACK, &cx->scb->apu2epu_irq_ack);
  44
  45         cx18_writel(cx, IRQ_CPU_TO_HPU,     &cx->scb->cpu2hpu_irq);
  46         cx18_writel(cx, IRQ_HPU_TO_CPU_ACK, &cx->scb->hpu2cpu_irq_ack);
  47         cx18_writel(cx, IRQ_APU_TO_HPU,     &cx->scb->apu2hpu_irq);
  48         cx18_writel(cx, IRQ_HPU_TO_APU_ACK, &cx->scb->hpu2apu_irq_ack);
  49         cx18_writel(cx, IRQ_PPU_TO_HPU,     &cx->scb->ppu2hpu_irq);
  50         cx18_writel(cx, IRQ_HPU_TO_PPU_ACK, &cx->scb->hpu2ppu_irq_ack);
  51         cx18_writel(cx, IRQ_EPU_TO_HPU,     &cx->scb->epu2hpu_irq);
  52         cx18_writel(cx, IRQ_HPU_TO_EPU_ACK, &cx->scb->hpu2epu_irq_ack);
  53
  54         cx18_writel(cx, IRQ_CPU_TO_PPU,     &cx->scb->cpu2ppu_irq);
  55         cx18_writel(cx, IRQ_PPU_TO_CPU_ACK, &cx->scb->ppu2cpu_irq_ack);
  56         cx18_writel(cx, IRQ_APU_TO_PPU,     &cx->scb->apu2ppu_irq);
  57         cx18_writel(cx, IRQ_PPU_TO_APU_ACK, &cx->scb->ppu2apu_irq_ack);
  58         cx18_writel(cx, IRQ_HPU_TO_PPU,     &cx->scb->hpu2ppu_irq);
  59         cx18_writel(cx, IRQ_PPU_TO_HPU_ACK, &cx->scb->ppu2hpu_irq_ack);
  60         cx18_writel(cx, IRQ_EPU_TO_PPU,     &cx->scb->epu2ppu_irq);
  61         cx18_writel(cx, IRQ_PPU_TO_EPU_ACK, &cx->scb->ppu2epu_irq_ack);
  62
  63         cx18_writel(cx, IRQ_CPU_TO_EPU,     &cx->scb->cpu2epu_irq);
  64         cx18_writel(cx, IRQ_EPU_TO_CPU_ACK, &cx->scb->epu2cpu_irq_ack);
  65         cx18_writel(cx, IRQ_APU_TO_EPU,     &cx->scb->apu2epu_irq);
  66         cx18_writel(cx, IRQ_EPU_TO_APU_ACK, &cx->scb->epu2apu_irq_ack);
  67         cx18_writel(cx, IRQ_HPU_TO_EPU,     &cx->scb->hpu2epu_irq);
  68         cx18_writel(cx, IRQ_EPU_TO_HPU_ACK, &cx->scb->epu2hpu_irq_ack);
  69         cx18_writel(cx, IRQ_PPU_TO_EPU,     &cx->scb->ppu2epu_irq);
  70         cx18_writel(cx, IRQ_EPU_TO_PPU_ACK, &cx->scb->epu2ppu_irq_ack);
  71
  72         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2cpu_mb),
  73                         &cx->scb->apu2cpu_mb_offset);
  74         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2cpu_mb),
  75                         &cx->scb->hpu2cpu_mb_offset);
  76         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2cpu_mb),
  77                         &cx->scb->ppu2cpu_mb_offset);
  78         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2cpu_mb),
  79                         &cx->scb->epu2cpu_mb_offset);
  80         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2apu_mb),
  81                         &cx->scb->cpu2apu_mb_offset);
  82         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2apu_mb),
  83                         &cx->scb->hpu2apu_mb_offset);
  84         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2apu_mb),
  85                         &cx->scb->ppu2apu_mb_offset);
  86         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2apu_mb),
  87                         &cx->scb->epu2apu_mb_offset);
  88         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2hpu_mb),
  89                         &cx->scb->cpu2hpu_mb_offset);
  90         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2hpu_mb),
  91                         &cx->scb->apu2hpu_mb_offset);
  92         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2hpu_mb),
  93                         &cx->scb->ppu2hpu_mb_offset);
  94         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2hpu_mb),
  95                         &cx->scb->epu2hpu_mb_offset);
  96         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2ppu_mb),
  97                         &cx->scb->cpu2ppu_mb_offset);
  98         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2ppu_mb),
  99                         &cx->scb->apu2ppu_mb_offset);
 100         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2ppu_mb),
 101                         &cx->scb->hpu2ppu_mb_offset);
 102         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, epu2ppu_mb),
 103                         &cx->scb->epu2ppu_mb_offset);
 104         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu2epu_mb),
 105                         &cx->scb->cpu2epu_mb_offset);
 106         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, apu2epu_mb),
 107                         &cx->scb->apu2epu_mb_offset);
 108         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, hpu2epu_mb),
 109                         &cx->scb->hpu2epu_mb_offset);
 110         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, ppu2epu_mb),
 111                         &cx->scb->ppu2epu_mb_offset);
 112
 113         cx18_writel(cx, SCB_OFFSET + offsetof(struct cx18_scb, cpu_state),
 114                         &cx->scb->ipc_offset);
 115
 116         cx18_writel(cx, 1, &cx->scb->epu_state);
 117 }