Revision 2d360fcbd851b7f9f8c23b1c30b2f3c060fa43e6 authored by Linus Torvalds on 20 November 2011, 22:33:02 UTC, committed by Linus Torvalds on 20 November 2011, 22:33:02 UTC
* 'pm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: PM / Suspend: Fix bug in suspend statistics update PM / Hibernate: Fix the early termination of test modes PM / shmobile: Fix build of sh7372_pm_init() for CONFIG_PM unset PM Sleep: Do not extend wakeup paths to devices with ignore_children set PM / driver core: disable device's runtime PM during shutdown PM / devfreq: correct Kconfig dependency PM / devfreq: fix use after free in devfreq_remove_device PM / shmobile: Avoid restoring the INTCS state during initialization PM / devfreq: Remove compiler error after irq.h update PM / QoS: Properly use the WARN() macro in dev_pm_qos_add_request() PM / Clocks: Only disable enabled clocks in pm_clk_suspend() ARM: mach-shmobile: sh7372 A3SP no_suspend_console fix PM / shmobile: Don't skip debugging output in pd_power_up()
dma.c
/*
* the simple DMA Implementation for Blackfin
*
* Copyright 2008 Analog Devices Inc.
*
* Licensed under the GPL-2 or later.
*/
#include <linux/module.h>
#include <asm/blackfin.h>
#include <asm/dma.h>
struct dma_register * const dma_io_base_addr[MAX_DMA_CHANNELS] = {
(struct dma_register *) DMA0_NEXT_DESC_PTR,
(struct dma_register *) DMA1_NEXT_DESC_PTR,
(struct dma_register *) DMA2_NEXT_DESC_PTR,
(struct dma_register *) DMA3_NEXT_DESC_PTR,
(struct dma_register *) DMA4_NEXT_DESC_PTR,
(struct dma_register *) DMA5_NEXT_DESC_PTR,
(struct dma_register *) DMA6_NEXT_DESC_PTR,
(struct dma_register *) DMA7_NEXT_DESC_PTR,
(struct dma_register *) DMA8_NEXT_DESC_PTR,
(struct dma_register *) DMA9_NEXT_DESC_PTR,
(struct dma_register *) DMA10_NEXT_DESC_PTR,
(struct dma_register *) DMA11_NEXT_DESC_PTR,
(struct dma_register *) DMA12_NEXT_DESC_PTR,
(struct dma_register *) DMA13_NEXT_DESC_PTR,
(struct dma_register *) DMA14_NEXT_DESC_PTR,
(struct dma_register *) DMA15_NEXT_DESC_PTR,
(struct dma_register *) DMA16_NEXT_DESC_PTR,
(struct dma_register *) DMA17_NEXT_DESC_PTR,
(struct dma_register *) DMA18_NEXT_DESC_PTR,
(struct dma_register *) DMA19_NEXT_DESC_PTR,
(struct dma_register *) MDMA_D0_NEXT_DESC_PTR,
(struct dma_register *) MDMA_S0_NEXT_DESC_PTR,
(struct dma_register *) MDMA_D1_NEXT_DESC_PTR,
(struct dma_register *) MDMA_S1_NEXT_DESC_PTR,
(struct dma_register *) MDMA_D2_NEXT_DESC_PTR,
(struct dma_register *) MDMA_S2_NEXT_DESC_PTR,
(struct dma_register *) MDMA_D3_NEXT_DESC_PTR,
(struct dma_register *) MDMA_S3_NEXT_DESC_PTR,
};
EXPORT_SYMBOL(dma_io_base_addr);
int channel2irq(unsigned int channel)
{
int ret_irq = -1;
switch (channel) {
case CH_PPI:
ret_irq = IRQ_PPI;
break;
case CH_UART0_RX:
ret_irq = IRQ_UART0_RX;
break;
case CH_UART0_TX:
ret_irq = IRQ_UART0_TX;
break;
case CH_UART1_RX:
ret_irq = IRQ_UART1_RX;
break;
case CH_UART1_TX:
ret_irq = IRQ_UART1_TX;
break;
case CH_UART2_RX:
ret_irq = IRQ_UART2_RX;
break;
case CH_UART2_TX:
ret_irq = IRQ_UART2_TX;
break;
case CH_SPORT0_RX:
ret_irq = IRQ_SPORT0_RX;
break;
case CH_SPORT0_TX:
ret_irq = IRQ_SPORT0_TX;
break;
case CH_SPORT1_RX:
ret_irq = IRQ_SPORT1_RX;
break;
case CH_SPORT1_TX:
ret_irq = IRQ_SPORT1_TX;
break;
case CH_SPORT2_RX:
ret_irq = IRQ_SPORT2_RX;
break;
case CH_SPORT2_TX:
ret_irq = IRQ_SPORT2_TX;
break;
case CH_SPORT3_RX:
ret_irq = IRQ_SPORT3_RX;
break;
case CH_SPORT3_TX:
ret_irq = IRQ_SPORT3_TX;
break;
case CH_SPI0:
ret_irq = IRQ_SPI0;
break;
case CH_SPI1:
ret_irq = IRQ_SPI1;
break;
case CH_SPI2:
ret_irq = IRQ_SPI2;
break;
case CH_MEM_STREAM0_SRC:
case CH_MEM_STREAM0_DEST:
ret_irq = IRQ_MEM0_DMA0;
break;
case CH_MEM_STREAM1_SRC:
case CH_MEM_STREAM1_DEST:
ret_irq = IRQ_MEM0_DMA1;
break;
case CH_MEM_STREAM2_SRC:
case CH_MEM_STREAM2_DEST:
ret_irq = IRQ_MEM1_DMA0;
break;
case CH_MEM_STREAM3_SRC:
case CH_MEM_STREAM3_DEST:
ret_irq = IRQ_MEM1_DMA1;
break;
}
return ret_irq;
}
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