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

   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 }