dma.c
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/* linux/arch/arm/mach-s5pv210/dma.c
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Copyright (C) 2010 Samsung Electronics Co. Ltd.
* Jaswinder Singh <jassi.brar@samsung.com>
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/dma-mapping.h>
#include <linux/amba/bus.h>
#include <linux/amba/pl330.h>
#include <asm/irq.h>
#include <plat/devs.h>
#include <plat/irqs.h>
#include <mach/map.h>
#include <mach/irqs.h>
#include <mach/dma.h>
static u8 pdma0_peri[] = {
DMACH_UART0_RX,
DMACH_UART0_TX,
DMACH_UART1_RX,
DMACH_UART1_TX,
DMACH_UART2_RX,
DMACH_UART2_TX,
DMACH_UART3_RX,
DMACH_UART3_TX,
DMACH_MAX,
DMACH_I2S0_RX,
DMACH_I2S0_TX,
DMACH_I2S0S_TX,
DMACH_I2S1_RX,
DMACH_I2S1_TX,
DMACH_MAX,
DMACH_MAX,
DMACH_SPI0_RX,
DMACH_SPI0_TX,
DMACH_SPI1_RX,
DMACH_SPI1_TX,
DMACH_MAX,
DMACH_MAX,
DMACH_AC97_MICIN,
DMACH_AC97_PCMIN,
DMACH_AC97_PCMOUT,
DMACH_MAX,
DMACH_PWM,
DMACH_SPDIF,
};
static struct dma_pl330_platdata s5pv210_pdma0_pdata = {
.nr_valid_peri = ARRAY_SIZE(pdma0_peri),
.peri_id = pdma0_peri,
};
static AMBA_AHB_DEVICE(s5pv210_pdma0, "dma-pl330.0", 0x00041330,
S5PV210_PA_PDMA0, {IRQ_PDMA0}, &s5pv210_pdma0_pdata);
static u8 pdma1_peri[] = {
DMACH_UART0_RX,
DMACH_UART0_TX,
DMACH_UART1_RX,
DMACH_UART1_TX,
DMACH_UART2_RX,
DMACH_UART2_TX,
DMACH_UART3_RX,
DMACH_UART3_TX,
DMACH_MAX,
DMACH_I2S0_RX,
DMACH_I2S0_TX,
DMACH_I2S0S_TX,
DMACH_I2S1_RX,
DMACH_I2S1_TX,
DMACH_I2S2_RX,
DMACH_I2S2_TX,
DMACH_SPI0_RX,
DMACH_SPI0_TX,
DMACH_SPI1_RX,
DMACH_SPI1_TX,
DMACH_MAX,
DMACH_MAX,
DMACH_PCM0_RX,
DMACH_PCM0_TX,
DMACH_PCM1_RX,
DMACH_PCM1_TX,
DMACH_MSM_REQ0,
DMACH_MSM_REQ1,
DMACH_MSM_REQ2,
DMACH_MSM_REQ3,
DMACH_PCM2_RX,
DMACH_PCM2_TX,
};
static struct dma_pl330_platdata s5pv210_pdma1_pdata = {
.nr_valid_peri = ARRAY_SIZE(pdma1_peri),
.peri_id = pdma1_peri,
};
static AMBA_AHB_DEVICE(s5pv210_pdma1, "dma-pl330.1", 0x00041330,
S5PV210_PA_PDMA1, {IRQ_PDMA1}, &s5pv210_pdma1_pdata);
static int __init s5pv210_dma_init(void)
{
dma_cap_set(DMA_SLAVE, s5pv210_pdma0_pdata.cap_mask);
dma_cap_set(DMA_CYCLIC, s5pv210_pdma0_pdata.cap_mask);
amba_device_register(&s5pv210_pdma0_device, &iomem_resource);
dma_cap_set(DMA_SLAVE, s5pv210_pdma1_pdata.cap_mask);
dma_cap_set(DMA_CYCLIC, s5pv210_pdma1_pdata.cap_mask);
amba_device_register(&s5pv210_pdma1_device, &iomem_resource);
return 0;
}
arch_initcall(s5pv210_dma_init);