Blame - drivers/dma/Kconfig - kernel/msm-4.9

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Chris Leech	c13c826	2006-05-23 17:18:44 -0700	[diff] [blame]	1	#
				2	# DMA engine configuration
				3	#
				4
Shannon Nelson	2ed6dc3	2007-10-16 01:27:42 -0700	[diff] [blame]	5	menuconfig DMADEVICES
Haavard Skinnemoen	6d4f587	2007-11-28 16:21:43 -0800	[diff] [blame]	6	bool "DMA Engine support"
Dan Williams	04ce9ab	2009-06-03 14:22:28 -0700	[diff] [blame]	7	depends on HAS_DMA
Shannon Nelson	2ed6dc3	2007-10-16 01:27:42 -0700	[diff] [blame]	8	help
Haavard Skinnemoen	6d4f587	2007-11-28 16:21:43 -0800	[diff] [blame]	9	DMA engines can do asynchronous data transfers without
				10	involving the host CPU. Currently, this framework can be
				11	used to offload memory copies in the network stack and
Dan Williams	9c402f4	2008-06-27 01:21:11 -0700	[diff] [blame]	12	RAID operations in the MD driver. This menu only presents
				13	DMA Device drivers supported by the configured arch, it may
				14	be empty in some cases.
Chris Leech	c13c826	2006-05-23 17:18:44 -0700	[diff] [blame]	15
Shannon Nelson	2ed6dc3	2007-10-16 01:27:42 -0700	[diff] [blame]	16	if DMADEVICES
Chris Leech	db21733	2006-06-17 21:24:58 -0700	[diff] [blame]	17
Chris Leech	0bbd5f4	2006-05-23 17:35:34 -0700	[diff] [blame]	18	comment "DMA Devices"
				19
Dan Williams	138f4c3	2009-09-08 17:42:51 -0700	[diff] [blame]	20	config ASYNC_TX_DISABLE_CHANNEL_SWITCH
				21	bool
				22
Chris Leech	0bbd5f4	2006-05-23 17:35:34 -0700	[diff] [blame]	23	config INTEL_IOATDMA
				24	tristate "Intel I/OAT DMA support"
Shannon Nelson	2ed6dc3	2007-10-16 01:27:42 -0700	[diff] [blame]	25	depends on PCI && X86
				26	select DMA_ENGINE
				27	select DCA
Dan Williams	138f4c3	2009-09-08 17:42:51 -0700	[diff] [blame]	28	select ASYNC_TX_DISABLE_CHANNEL_SWITCH
Shannon Nelson	2ed6dc3	2007-10-16 01:27:42 -0700	[diff] [blame]	29	help
				30	Enable support for the Intel(R) I/OAT DMA engine present
				31	in recent Intel Xeon chipsets.
				32
				33	Say Y here if you have such a chipset.
				34
				35	If unsure, say N.
Dan Williams	c211092	2007-01-02 13:52:26 -0700	[diff] [blame]	36
				37	config INTEL_IOP_ADMA
Shannon Nelson	2ed6dc3	2007-10-16 01:27:42 -0700	[diff] [blame]	38	tristate "Intel IOP ADMA support"
				39	depends on ARCH_IOP32X \|\| ARCH_IOP33X \|\| ARCH_IOP13XX
Shannon Nelson	2ed6dc3	2007-10-16 01:27:42 -0700	[diff] [blame]	40	select DMA_ENGINE
				41	help
				42	Enable support for the Intel(R) IOP Series RAID engines.
Dan Williams	c211092	2007-01-02 13:52:26 -0700	[diff] [blame]	43
Haavard Skinnemoen	3bfb1d2	2008-07-08 11:59:42 -0700	[diff] [blame]	44	config DW_DMAC
				45	tristate "Synopsys DesignWare AHB DMA support"
				46	depends on AVR32
				47	select DMA_ENGINE
				48	default y if CPU_AT32AP7000
				49	help
				50	Support the Synopsys DesignWare AHB DMA controller. This
				51	can be integrated in chips such as the Atmel AT32ap7000.
				52
Nicolas Ferre	dc78baa	2009-07-03 19:24:33 +0200	[diff] [blame]	53	config AT_HDMAC
				54	tristate "Atmel AHB DMA support"
Yegor Yefremov	cd3abf9	2009-10-23 11:27:59 +0100	[diff] [blame^]	55	depends on ARCH_AT91SAM9RL \|\| ARCH_AT91SAM9G45
Nicolas Ferre	dc78baa	2009-07-03 19:24:33 +0200	[diff] [blame]	56	select DMA_ENGINE
				57	help
				58	Support the Atmel AHB DMA controller. This can be integrated in
				59	chips such as the Atmel AT91SAM9RL.
				60
Zhang Wei	173acc7	2008-03-01 07:42:48 -0700	[diff] [blame]	61	config FSL_DMA
Timur Tabi	77cd62e	2008-09-26 17:00:11 -0700	[diff] [blame]	62	tristate "Freescale Elo and Elo Plus DMA support"
				63	depends on FSL_SOC
Zhang Wei	173acc7	2008-03-01 07:42:48 -0700	[diff] [blame]	64	select DMA_ENGINE
				65	---help---
Timur Tabi	77cd62e	2008-09-26 17:00:11 -0700	[diff] [blame]	66	Enable support for the Freescale Elo and Elo Plus DMA controllers.
				67	The Elo is the DMA controller on some 82xx and 83xx parts, and the
				68	Elo Plus is the DMA controller on 85xx and 86xx parts.
Zhang Wei	173acc7	2008-03-01 07:42:48 -0700	[diff] [blame]	69
Saeed Bishara	ff7b047	2008-07-08 11:58:36 -0700	[diff] [blame]	70	config MV_XOR
				71	bool "Marvell XOR engine support"
				72	depends on PLAT_ORION
Saeed Bishara	ff7b047	2008-07-08 11:58:36 -0700	[diff] [blame]	73	select DMA_ENGINE
				74	---help---
				75	Enable support for the Marvell XOR engine.
				76
Guennadi Liakhovetski	5296b56	2009-01-19 15:36:21 -0700	[diff] [blame]	77	config MX3_IPU
				78	bool "MX3x Image Processing Unit support"
				79	depends on ARCH_MX3
				80	select DMA_ENGINE
				81	default y
				82	help
				83	If you plan to use the Image Processing unit in the i.MX3x, say
				84	Y here. If unsure, select Y.
				85
				86	config MX3_IPU_IRQS
				87	int "Number of dynamically mapped interrupts for IPU"
				88	depends on MX3_IPU
				89	range 2 137
				90	default 4
				91	help
				92	Out of 137 interrupt sources on i.MX31 IPU only very few are used.
				93	To avoid bloating the irq_desc[] array we allocate a sufficient
				94	number of IRQ slots and map them dynamically to specific sources.
				95
Atsushi Nemoto	ea76f0b	2009-04-23 00:40:30 +0900	[diff] [blame]	96	config TXX9_DMAC
				97	tristate "Toshiba TXx9 SoC DMA support"
				98	depends on MACH_TX49XX \|\| MACH_TX39XX
				99	select DMA_ENGINE
				100	help
				101	Support the TXx9 SoC internal DMA controller. This can be
				102	integrated in chips such as the Toshiba TX4927/38/39.
				103
Nobuhiro Iwamatsu	d8902ad	2009-09-07 03:26:23 +0000	[diff] [blame]	104	config SH_DMAE
				105	tristate "Renesas SuperH DMAC support"
				106	depends on SUPERH && SH_DMA
				107	depends on !SH_DMA_API
				108	select DMA_ENGINE
				109	help
				110	Enable support for the Renesas SuperH DMA controllers.
				111
Shannon Nelson	2ed6dc3	2007-10-16 01:27:42 -0700	[diff] [blame]	112	config DMA_ENGINE
				113	bool
				114
				115	comment "DMA Clients"
				116	depends on DMA_ENGINE
				117
				118	config NET_DMA
				119	bool "Network: TCP receive copy offload"
				120	depends on DMA_ENGINE && NET
Dan Williams	9c402f4	2008-06-27 01:21:11 -0700	[diff] [blame]	121	default (INTEL_IOATDMA \|\| FSL_DMA)
Shannon Nelson	2ed6dc3	2007-10-16 01:27:42 -0700	[diff] [blame]	122	help
				123	This enables the use of DMA engines in the network stack to
				124	offload receive copy-to-user operations, freeing CPU cycles.
Dan Williams	9c402f4	2008-06-27 01:21:11 -0700	[diff] [blame]	125
				126	Say Y here if you enabled INTEL_IOATDMA or FSL_DMA, otherwise
				127	say N.
Shannon Nelson	2ed6dc3	2007-10-16 01:27:42 -0700	[diff] [blame]	128
Dan Williams	729b5d1	2009-03-25 09:13:25 -0700	[diff] [blame]	129	config ASYNC_TX_DMA
				130	bool "Async_tx: Offload support for the async_tx api"
Dan Williams	9a8de63	2009-09-08 15:06:10 -0700	[diff] [blame]	131	depends on DMA_ENGINE
Dan Williams	729b5d1	2009-03-25 09:13:25 -0700	[diff] [blame]	132	help
				133	This allows the async_tx api to take advantage of offload engines for
				134	memcpy, memset, xor, and raid6 p+q operations. If your platform has
				135	a dma engine that can perform raid operations and you have enabled
				136	MD_RAID456 say Y.
				137
				138	If unsure, say N.
				139
Haavard Skinnemoen	4a776f0	2008-07-08 11:58:45 -0700	[diff] [blame]	140	config DMATEST
				141	tristate "DMA Test client"
				142	depends on DMA_ENGINE
				143	help
				144	Simple DMA test client. Say N unless you're debugging a
				145	DMA Device driver.
				146
Shannon Nelson	2ed6dc3	2007-10-16 01:27:42 -0700	[diff] [blame]	147	endif