LXR linux/arch/arm/mach-s5pv210/dma.c

   1/* linux/arch/arm/mach-s5pv210/dma.c
   2 *
   3 * Copyright (c) 2011 Samsung Electronics Co., Ltd.
   4 *              http://www.samsung.com
   5 *
   6 * Copyright (C) 2010 Samsung Electronics Co. Ltd.
   7 *      Jaswinder Singh <jassi.brar@samsung.com>
   8 *
   9 * This program is free software; you can redistribute it and/or modify
  10 * it under the terms of the GNU General Public License as published by
  11 * the Free Software Foundation; either version 2 of the License, or
  12 * (at your option) any later version.
  13 *
  14 * This program is distributed in the hope that it will be useful,
  15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 * GNU General Public License for more details.
  18 *
  19 * You should have received a copy of the GNU General Public License
  20 * along with this program; if not, write to the Free Software
  21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24#include <linux/dma-mapping.h>
  25#include <linux/amba/bus.h>
  26#include <linux/amba/pl330.h>
  27
  28#include <asm/irq.h>
  29#include <plat/devs.h>
  30#include <plat/irqs.h>
  31
  32#include <mach/map.h>
  33#include <mach/irqs.h>
  34#include <mach/dma.h>
  35
  36static u8 pdma0_peri[] = {
  37        DMACH_UART0_RX,
  38        DMACH_UART0_TX,
  39        DMACH_UART1_RX,
  40        DMACH_UART1_TX,
  41        DMACH_UART2_RX,
  42        DMACH_UART2_TX,
  43        DMACH_UART3_RX,
  44        DMACH_UART3_TX,
  45        DMACH_MAX,
  46        DMACH_I2S0_RX,
  47        DMACH_I2S0_TX,
  48        DMACH_I2S0S_TX,
  49        DMACH_I2S1_RX,
  50        DMACH_I2S1_TX,
  51        DMACH_MAX,
  52        DMACH_MAX,
  53        DMACH_SPI0_RX,
  54        DMACH_SPI0_TX,
  55        DMACH_SPI1_RX,
  56        DMACH_SPI1_TX,
  57        DMACH_MAX,
  58        DMACH_MAX,
  59        DMACH_AC97_MICIN,
  60        DMACH_AC97_PCMIN,
  61        DMACH_AC97_PCMOUT,
  62        DMACH_MAX,
  63        DMACH_PWM,
  64        DMACH_SPDIF,
  65};
  66
  67static struct dma_pl330_platdata s5pv210_pdma0_pdata = {
  68        .nr_valid_peri = ARRAY_SIZE(pdma0_peri),
  69        .peri_id = pdma0_peri,
  70};
  71
  72static AMBA_AHB_DEVICE(s5pv210_pdma0, "dma-pl330.0", 0x00041330,
  73        S5PV210_PA_PDMA0, {IRQ_PDMA0}, &s5pv210_pdma0_pdata);
  74
  75static u8 pdma1_peri[] = {
  76        DMACH_UART0_RX,
  77        DMACH_UART0_TX,
  78        DMACH_UART1_RX,
  79        DMACH_UART1_TX,
  80        DMACH_UART2_RX,
  81        DMACH_UART2_TX,
  82        DMACH_UART3_RX,
  83        DMACH_UART3_TX,
  84        DMACH_MAX,
  85        DMACH_I2S0_RX,
  86        DMACH_I2S0_TX,
  87        DMACH_I2S0S_TX,
  88        DMACH_I2S1_RX,
  89        DMACH_I2S1_TX,
  90        DMACH_I2S2_RX,
  91        DMACH_I2S2_TX,
  92        DMACH_SPI0_RX,
  93        DMACH_SPI0_TX,
  94        DMACH_SPI1_RX,
  95        DMACH_SPI1_TX,
  96        DMACH_MAX,
  97        DMACH_MAX,
  98        DMACH_PCM0_RX,
  99        DMACH_PCM0_TX,
 100        DMACH_PCM1_RX,
 101        DMACH_PCM1_TX,
 102        DMACH_MSM_REQ0,
 103        DMACH_MSM_REQ1,
 104        DMACH_MSM_REQ2,
 105        DMACH_MSM_REQ3,
 106        DMACH_PCM2_RX,
 107        DMACH_PCM2_TX,
 108};
 109
 110static struct dma_pl330_platdata s5pv210_pdma1_pdata = {
 111        .nr_valid_peri = ARRAY_SIZE(pdma1_peri),
 112        .peri_id = pdma1_peri,
 113};
 114
 115static AMBA_AHB_DEVICE(s5pv210_pdma1, "dma-pl330.1", 0x00041330,
 116        S5PV210_PA_PDMA1, {IRQ_PDMA1}, &s5pv210_pdma1_pdata);
 117
 118static int __init s5pv210_dma_init(void)
 119{
 120        dma_cap_set(DMA_SLAVE, s5pv210_pdma0_pdata.cap_mask);
 121        dma_cap_set(DMA_CYCLIC, s5pv210_pdma0_pdata.cap_mask);
 122        amba_device_register(&s5pv210_pdma0_device, &iomem_resource);
 123
 124        dma_cap_set(DMA_SLAVE, s5pv210_pdma1_pdata.cap_mask);
 125        dma_cap_set(DMA_CYCLIC, s5pv210_pdma1_pdata.cap_mask);
 126        amba_device_register(&s5pv210_pdma1_device, &iomem_resource);
 127
 128        return 0;
 129}
 130arch_initcall(s5pv210_dma_init);
 131