diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-05 02:02:25 +0100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-05 02:02:25 +0100 |
commit | fba9569924e06da076cb2ad12474bbd82d69f54d (patch) | |
tree | f0b7d9c82f8dd90f0dc757a4c00afc0872fc1484 /arch/arm/mach-s5p64x0/dma.c | |
parent | Merge branch 'for-3.2/drivers' of git://git.kernel.dk/linux-block (diff) | |
parent | dmaengine: mid_dma: mask_peripheral_interrupt only when dmac is idle (diff) | |
download | linux-fba9569924e06da076cb2ad12474bbd82d69f54d.tar.xz linux-fba9569924e06da076cb2ad12474bbd82d69f54d.zip |
Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma
* 'next' of git://git.infradead.org/users/vkoul/slave-dma: (63 commits)
dmaengine: mid_dma: mask_peripheral_interrupt only when dmac is idle
dmaengine/ep93xx_dma: add module.h include
pch_dma: Reduce wasting memory
pch_dma: Fix suspend issue
dma/timberdale: free_irq() on an error path
dma: shdma: transfer based runtime PM
dmaengine: shdma: protect against the IRQ handler
dmaengine i.MX DMA/SDMA: add missing include of linux/module.h
dmaengine: delete redundant chan_id and chancnt initialization in dma drivers
dmaengine/amba-pl08x: Check txd->llis_va before freeing dma_pool
dmaengine/amba-pl08x: Add support for sg len greater than one for slave transfers
serial: sh-sci: don't filter on DMA device, use only channel ID
ARM: SAMSUNG: Remove Samsung specific enum type for dma direction
ASoC: Samsung: Update DMA interface
spi/s3c64xx: Merge dma control code
spi/s3c64xx: Add support DMA engine API
ARM: SAMSUNG: Remove S3C-PL330-DMA driver
ARM: S5P64X0: Use generic DMA PL330 driver
ARM: S5PC100: Use generic DMA PL330 driver
ARM: S5PV210: Use generic DMA PL330 driver
...
Fix up fairly trivial conflicts in
- arch/arm/mach-exynos4/{Kconfig,clock.c}
- arch/arm/mach-s5p64x0/dma.c
Diffstat (limited to 'arch/arm/mach-s5p64x0/dma.c')
-rw-r--r-- | arch/arm/mach-s5p64x0/dma.c | 269 |
1 files changed, 181 insertions, 88 deletions
diff --git a/arch/arm/mach-s5p64x0/dma.c b/arch/arm/mach-s5p64x0/dma.c index 0e5b3e63e5b3..442dd4ad12da 100644 --- a/arch/arm/mach-s5p64x0/dma.c +++ b/arch/arm/mach-s5p64x0/dma.c @@ -21,115 +21,208 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/platform_device.h> #include <linux/dma-mapping.h> +#include <linux/amba/bus.h> +#include <linux/amba/pl330.h> + +#include <asm/irq.h> #include <mach/map.h> #include <mach/irqs.h> #include <mach/regs-clock.h> +#include <mach/dma.h> #include <plat/cpu.h> #include <plat/devs.h> -#include <plat/s3c-pl330-pdata.h> +#include <plat/irqs.h> static u64 dma_dmamask = DMA_BIT_MASK(32); -static struct resource s5p64x0_pdma_resource[] = { - [0] = { - .start = S5P64X0_PA_PDMA, - .end = S5P64X0_PA_PDMA + SZ_4K, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_DMA0, - .end = IRQ_DMA0, - .flags = IORESOURCE_IRQ, +struct dma_pl330_peri s5p6440_pdma_peri[22] = { + { + .peri_id = (u8)DMACH_UART0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART3_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART3_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = DMACH_MAX, + }, { + .peri_id = DMACH_MAX, + }, { + .peri_id = (u8)DMACH_PCM0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_PCM0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_I2S0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SPI0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SPI0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_MAX, + }, { + .peri_id = (u8)DMACH_MAX, + }, { + .peri_id = (u8)DMACH_MAX, + }, { + .peri_id = (u8)DMACH_MAX, + }, { + .peri_id = (u8)DMACH_SPI1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SPI1_RX, + .rqtype = DEVTOMEM, }, }; -static struct s3c_pl330_platdata s5p6440_pdma_pdata = { - .peri = { - [0] = DMACH_UART0_RX, - [1] = DMACH_UART0_TX, - [2] = DMACH_UART1_RX, - [3] = DMACH_UART1_TX, - [4] = DMACH_UART2_RX, - [5] = DMACH_UART2_TX, - [6] = DMACH_UART3_RX, - [7] = DMACH_UART3_TX, - [8] = DMACH_MAX, - [9] = DMACH_MAX, - [10] = DMACH_PCM0_TX, - [11] = DMACH_PCM0_RX, - [12] = DMACH_I2S0_TX, - [13] = DMACH_I2S0_RX, - [14] = DMACH_SPI0_TX, - [15] = DMACH_SPI0_RX, - [16] = DMACH_MAX, - [17] = DMACH_MAX, - [18] = DMACH_MAX, - [19] = DMACH_MAX, - [20] = DMACH_SPI1_TX, - [21] = DMACH_SPI1_RX, - [22] = DMACH_MAX, - [23] = DMACH_MAX, - [24] = DMACH_MAX, - [25] = DMACH_MAX, - [26] = DMACH_MAX, - [27] = DMACH_MAX, - [28] = DMACH_MAX, - [29] = DMACH_PWM, - [30] = DMACH_MAX, - [31] = DMACH_MAX, - }, +struct dma_pl330_platdata s5p6440_pdma_pdata = { + .nr_valid_peri = ARRAY_SIZE(s5p6440_pdma_peri), + .peri = s5p6440_pdma_peri, }; -static struct s3c_pl330_platdata s5p6450_pdma_pdata = { - .peri = { - [0] = DMACH_UART0_RX, - [1] = DMACH_UART0_TX, - [2] = DMACH_UART1_RX, - [3] = DMACH_UART1_TX, - [4] = DMACH_UART2_RX, - [5] = DMACH_UART2_TX, - [6] = DMACH_UART3_RX, - [7] = DMACH_UART3_TX, - [8] = DMACH_UART4_RX, - [9] = DMACH_UART4_TX, - [10] = DMACH_PCM0_TX, - [11] = DMACH_PCM0_RX, - [12] = DMACH_I2S0_TX, - [13] = DMACH_I2S0_RX, - [14] = DMACH_SPI0_TX, - [15] = DMACH_SPI0_RX, - [16] = DMACH_PCM1_TX, - [17] = DMACH_PCM1_RX, - [18] = DMACH_PCM2_TX, - [19] = DMACH_PCM2_RX, - [20] = DMACH_SPI1_TX, - [21] = DMACH_SPI1_RX, - [22] = DMACH_USI_TX, - [23] = DMACH_USI_RX, - [24] = DMACH_MAX, - [25] = DMACH_I2S1_TX, - [26] = DMACH_I2S1_RX, - [27] = DMACH_I2S2_TX, - [28] = DMACH_I2S2_RX, - [29] = DMACH_PWM, - [30] = DMACH_UART5_RX, - [31] = DMACH_UART5_TX, +struct dma_pl330_peri s5p6450_pdma_peri[32] = { + { + .peri_id = (u8)DMACH_UART0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART3_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART3_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART4_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART4_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_PCM0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_PCM0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_I2S0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SPI0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SPI0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_PCM1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_PCM1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_PCM2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_PCM2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SPI1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SPI1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_USI_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_USI_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_MAX, + }, { + .peri_id = (u8)DMACH_I2S1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_I2S2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_PWM, + }, { + .peri_id = (u8)DMACH_UART5_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART5_TX, + .rqtype = MEMTODEV, }, }; -static struct platform_device s5p64x0_device_pdma = { - .name = "s3c-pl330", - .id = -1, - .num_resources = ARRAY_SIZE(s5p64x0_pdma_resource), - .resource = s5p64x0_pdma_resource, - .dev = { +struct dma_pl330_platdata s5p6450_pdma_pdata = { + .nr_valid_peri = ARRAY_SIZE(s5p6450_pdma_peri), + .peri = s5p6450_pdma_peri, +}; + +struct amba_device s5p64x0_device_pdma = { + .dev = { + .init_name = "dma-pl330", .dma_mask = &dma_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), }, + .res = { + .start = S5P64X0_PA_PDMA, + .end = S5P64X0_PA_PDMA + SZ_4K, + .flags = IORESOURCE_MEM, + }, + .irq = {IRQ_DMA0, NO_IRQ}, + .periphid = 0x00041330, }; static int __init s5p64x0_dma_init(void) @@ -139,7 +232,7 @@ static int __init s5p64x0_dma_init(void) else s5p64x0_device_pdma.dev.platform_data = &s5p6440_pdma_pdata; - platform_device_register(&s5p64x0_device_pdma); + amba_device_register(&s5p64x0_device_pdma, &iomem_resource); return 0; } |