diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-scb.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-scb.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/drivers/media/video/cx18/cx18-scb.c b/drivers/media/video/cx18/cx18-scb.c new file mode 100644 index 000000000000..30bc803e30da --- /dev/null +++ b/drivers/media/video/cx18/cx18-scb.c @@ -0,0 +1,121 @@ +/* + * cx18 System Control Block initialization + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +#include "cx18-driver.h" +#include "cx18-scb.h" + +void cx18_init_scb(struct cx18 *cx) +{ + setup_page(SCB_OFFSET); + memset_io(cx->scb, 0, 0x10000); + + writel(IRQ_APU_TO_CPU, &cx->scb->apu2cpu_irq); + writel(IRQ_CPU_TO_APU_ACK, &cx->scb->cpu2apu_irq_ack); + writel(IRQ_HPU_TO_CPU, &cx->scb->hpu2cpu_irq); + writel(IRQ_CPU_TO_HPU_ACK, &cx->scb->cpu2hpu_irq_ack); + writel(IRQ_PPU_TO_CPU, &cx->scb->ppu2cpu_irq); + writel(IRQ_CPU_TO_PPU_ACK, &cx->scb->cpu2ppu_irq_ack); + writel(IRQ_EPU_TO_CPU, &cx->scb->epu2cpu_irq); + writel(IRQ_CPU_TO_EPU_ACK, &cx->scb->cpu2epu_irq_ack); + + writel(IRQ_CPU_TO_APU, &cx->scb->cpu2apu_irq); + writel(IRQ_APU_TO_CPU_ACK, &cx->scb->apu2cpu_irq_ack); + writel(IRQ_HPU_TO_APU, &cx->scb->hpu2apu_irq); + writel(IRQ_APU_TO_HPU_ACK, &cx->scb->apu2hpu_irq_ack); + writel(IRQ_PPU_TO_APU, &cx->scb->ppu2apu_irq); + writel(IRQ_APU_TO_PPU_ACK, &cx->scb->apu2ppu_irq_ack); + writel(IRQ_EPU_TO_APU, &cx->scb->epu2apu_irq); + writel(IRQ_APU_TO_EPU_ACK, &cx->scb->apu2epu_irq_ack); + + writel(IRQ_CPU_TO_HPU, &cx->scb->cpu2hpu_irq); + writel(IRQ_HPU_TO_CPU_ACK, &cx->scb->hpu2cpu_irq_ack); + writel(IRQ_APU_TO_HPU, &cx->scb->apu2hpu_irq); + writel(IRQ_HPU_TO_APU_ACK, &cx->scb->hpu2apu_irq_ack); + writel(IRQ_PPU_TO_HPU, &cx->scb->ppu2hpu_irq); + writel(IRQ_HPU_TO_PPU_ACK, &cx->scb->hpu2ppu_irq_ack); + writel(IRQ_EPU_TO_HPU, &cx->scb->epu2hpu_irq); + writel(IRQ_HPU_TO_EPU_ACK, &cx->scb->hpu2epu_irq_ack); + + writel(IRQ_CPU_TO_PPU, &cx->scb->cpu2ppu_irq); + writel(IRQ_PPU_TO_CPU_ACK, &cx->scb->ppu2cpu_irq_ack); + writel(IRQ_APU_TO_PPU, &cx->scb->apu2ppu_irq); + writel(IRQ_PPU_TO_APU_ACK, &cx->scb->ppu2apu_irq_ack); + writel(IRQ_HPU_TO_PPU, &cx->scb->hpu2ppu_irq); + writel(IRQ_PPU_TO_HPU_ACK, &cx->scb->ppu2hpu_irq_ack); + writel(IRQ_EPU_TO_PPU, &cx->scb->epu2ppu_irq); + writel(IRQ_PPU_TO_EPU_ACK, &cx->scb->ppu2epu_irq_ack); + + writel(IRQ_CPU_TO_EPU, &cx->scb->cpu2epu_irq); + writel(IRQ_EPU_TO_CPU_ACK, &cx->scb->epu2cpu_irq_ack); + writel(IRQ_APU_TO_EPU, &cx->scb->apu2epu_irq); + writel(IRQ_EPU_TO_APU_ACK, &cx->scb->epu2apu_irq_ack); + writel(IRQ_HPU_TO_EPU, &cx->scb->hpu2epu_irq); + writel(IRQ_EPU_TO_HPU_ACK, &cx->scb->epu2hpu_irq_ack); + writel(IRQ_PPU_TO_EPU, &cx->scb->ppu2epu_irq); + writel(IRQ_EPU_TO_PPU_ACK, &cx->scb->epu2ppu_irq_ack); + + writel(SCB_OFFSET + offsetof(struct cx18_scb, apu2cpu_mb), + &cx->scb->apu2cpu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, hpu2cpu_mb), + &cx->scb->hpu2cpu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, ppu2cpu_mb), + &cx->scb->ppu2cpu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, epu2cpu_mb), + &cx->scb->epu2cpu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu2apu_mb), + &cx->scb->cpu2apu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, hpu2apu_mb), + &cx->scb->hpu2apu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, ppu2apu_mb), + &cx->scb->ppu2apu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, epu2apu_mb), + &cx->scb->epu2apu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu2hpu_mb), + &cx->scb->cpu2hpu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, apu2hpu_mb), + &cx->scb->apu2hpu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, ppu2hpu_mb), + &cx->scb->ppu2hpu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, epu2hpu_mb), + &cx->scb->epu2hpu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu2ppu_mb), + &cx->scb->cpu2ppu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, apu2ppu_mb), + &cx->scb->apu2ppu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, hpu2ppu_mb), + &cx->scb->hpu2ppu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, epu2ppu_mb), + &cx->scb->epu2ppu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu2epu_mb), + &cx->scb->cpu2epu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, apu2epu_mb), + &cx->scb->apu2epu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, hpu2epu_mb), + &cx->scb->hpu2epu_mb_offset); + writel(SCB_OFFSET + offsetof(struct cx18_scb, ppu2epu_mb), + &cx->scb->ppu2epu_mb_offset); + + writel(SCB_OFFSET + offsetof(struct cx18_scb, cpu_state), + &cx->scb->ipc_offset); + + writel(1, &cx->scb->hpu_state); + writel(1, &cx->scb->epu_state); +} |