/* 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); 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, }; struct dma_pl330_platdata s5pc100_pdma0_pdata = { .nr_valid_peri = ARRAY_SIZE(pdma0_peri), .peri_id = pdma0_peri, }; struct amba_device s5pc100_device_pdma0 = { .dev = { .init_name = "dma-pl330.0", .dma_mask = &dma_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &s5pc100_pdma0_pdata, }, .res = { .start = S5PC100_PA_PDMA0, .end = S5PC100_PA_PDMA0 + SZ_4K, .flags = IORESOURCE_MEM, }, .irq = {IRQ_PDMA0, NO_IRQ}, .periphid = 0x00041330, }; 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, }; struct dma_pl330_platdata s5pc100_pdma1_pdata = { .nr_valid_peri = ARRAY_SIZE(pdma1_peri), .peri_id = pdma1_peri, }; struct amba_device s5pc100_device_pdma1 = { .dev = { .init_name = "dma-pl330.1", .dma_mask = &dma_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &s5pc100_pdma1_pdata, }, .res = { .start = S5PC100_PA_PDMA1, .end = S5PC100_PA_PDMA1 + SZ_4K, .flags = IORESOURCE_MEM, }, .irq = {IRQ_PDMA1, NO_IRQ}, .periphid = 0x00041330, }; 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_device_pdma0, &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_device_pdma1, &iomem_resource); return 0; } arch_initcall(s5pc100_dma_init);