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author | Kevin | 2014-11-15 09:58:27 +0800 |
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committer | Kevin | 2014-11-15 09:58:27 +0800 |
commit | 392e8802486cb573b916e746010e141a75f507e6 (patch) | |
tree | 50029aca02c81f087b90336e670b44e510782330 /ANDROID_3.4.5/arch/arm/mach-s5pc100/dma.c | |
download | FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.tar.gz FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.tar.bz2 FOSSEE-netbook-kernel-source-392e8802486cb573b916e746010e141a75f507e6.zip |
init android origin source code
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-s5pc100/dma.c')
-rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-s5pc100/dma.c | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-s5pc100/dma.c b/ANDROID_3.4.5/arch/arm/mach-s5pc100/dma.c new file mode 100644 index 00000000..afd8db2d --- /dev/null +++ b/ANDROID_3.4.5/arch/arm/mach-s5pc100/dma.c @@ -0,0 +1,132 @@ +/* linux/arch/arm/mach-s5pc100/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 u64 dma_dmamask = DMA_BIT_MASK(32); + +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_IRDA, + 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_SPI2_RX, + DMACH_SPI2_TX, + DMACH_AC97_MICIN, + DMACH_AC97_PCMIN, + DMACH_AC97_PCMOUT, + DMACH_EXTERNAL, + DMACH_PWM, + DMACH_SPDIF, + DMACH_HSI_RX, + DMACH_HSI_TX, +}; + +static struct dma_pl330_platdata s5pc100_pdma0_pdata = { + .nr_valid_peri = ARRAY_SIZE(pdma0_peri), + .peri_id = pdma0_peri, +}; + +static AMBA_AHB_DEVICE(s5pc100_pdma0, "dma-pl330.0", 0x00041330, + S5PC100_PA_PDMA0, {IRQ_PDMA0}, &s5pc100_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_IRDA, + 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_SPI2_RX, + DMACH_SPI2_TX, + DMACH_PCM0_RX, + DMACH_PCM0_TX, + DMACH_PCM1_RX, + DMACH_PCM1_TX, + DMACH_MSM_REQ0, + DMACH_MSM_REQ1, + DMACH_MSM_REQ2, + DMACH_MSM_REQ3, +}; + +static struct dma_pl330_platdata s5pc100_pdma1_pdata = { + .nr_valid_peri = ARRAY_SIZE(pdma1_peri), + .peri_id = pdma1_peri, +}; + +static AMBA_AHB_DEVICE(s5pc100_pdma1, "dma-pl330.1", 0x00041330, + S5PC100_PA_PDMA1, {IRQ_PDMA1}, &s5pc100_pdma1_pdata); + +static int __init s5pc100_dma_init(void) +{ + dma_cap_set(DMA_SLAVE, s5pc100_pdma0_pdata.cap_mask); + dma_cap_set(DMA_CYCLIC, s5pc100_pdma0_pdata.cap_mask); + amba_device_register(&s5pc100_pdma0_device, &iomem_resource); + + dma_cap_set(DMA_SLAVE, s5pc100_pdma1_pdata.cap_mask); + dma_cap_set(DMA_CYCLIC, s5pc100_pdma1_pdata.cap_mask); + amba_device_register(&s5pc100_pdma1_device, &iomem_resource); + + return 0; +} +arch_initcall(s5pc100_dma_init); |