arch/arm/mach-u300/include/mach/coh901318.h - maze/linux - Git at Google

 /*
  *
  * include/linux/coh901318.h
  *
  *
  * Copyright (C) 2007-2009 ST-Ericsson
  * License terms: GNU General Public License (GPL) version 2
  * DMA driver for COH 901 318
  * Author: Per Friden <per.friden@stericsson.com>
  */

 #ifndef COH901318_H
 #define COH901318_H

 #include <linux/device.h>
 #include <linux/dmaengine.h>

 #define MAX_DMA_PACKET_SIZE_SHIFT 11
 #define MAX_DMA_PACKET_SIZE (1 << MAX_DMA_PACKET_SIZE_SHIFT)

 /**
  * struct coh901318_lli - linked list item for DMAC
  * @control: control settings for DMAC
  * @src_addr: transfer source address
  * @dst_addr: transfer destination address
  * @link_addr:  physical address to next lli
  * @virt_link_addr: virtual address of next lli (only used by pool_free)
  * @phy_this: physical address of current lli (only used by pool_free)
  */
 struct coh901318_lli {
 	u32 control;
 	dma_addr_t src_addr;
 	dma_addr_t dst_addr;
 	dma_addr_t link_addr;

 	void *virt_link_addr;
 	dma_addr_t phy_this;
 };
 /**
  * struct coh901318_params - parameters for DMAC configuration
  * @config: DMA config register
  * @ctrl_lli_last: DMA control register for the last lli in the list
  * @ctrl_lli: DMA control register for an lli
  * @ctrl_lli_chained: DMA control register for a chained lli
  */
 struct coh901318_params {
 	u32 config;
 	u32 ctrl_lli_last;
 	u32 ctrl_lli;
 	u32 ctrl_lli_chained;
 };
 /**
  * struct coh_dma_channel - dma channel base
  * @name: ascii name of dma channel
  * @number: channel id number
  * @desc_nbr_max: number of preallocated descriptors
  * @priority_high: prio of channel, 0 low otherwise high.
  * @param: configuration parameters
  * @dev_addr: physical address of periphal connected to channel
  */
 struct coh_dma_channel {
 	const char name[32];
 	const int number;
 	const int desc_nbr_max;
 	const int priority_high;
 	const struct coh901318_params param;
 	const dma_addr_t dev_addr;
 };

 /**
  * dma_access_memory_state_t - register dma for memory access
  *
  * @dev: The dma device
  * @active:  1 means dma intends to access memory
  *           0 means dma wont access memory
  */
 typedef void (*dma_access_memory_state_t)(struct device *dev,
 					  bool active);

 /**
  * struct powersave - DMA power save structure
  * @lock: lock protecting data in this struct
  * @started_channels: bit mask indicating active dma channels
  */
 struct powersave {
 	spinlock_t lock;
 	u64 started_channels;
 };
 /**
  * struct coh901318_platform - platform arch structure
  * @chans_slave: specifying dma slave channels
  * @chans_memcpy: specifying dma memcpy channels
  * @access_memory_state: requesting DMA memory access (on / off)
  * @chan_conf: dma channel configurations
  * @max_channels: max number of dma chanenls
  */
 struct coh901318_platform {
 	const int *chans_slave;
 	const int *chans_memcpy;
 	const dma_access_memory_state_t access_memory_state;
 	const struct coh_dma_channel *chan_conf;
 	const int max_channels;
 };

 #ifdef CONFIG_COH901318
 /**
  * coh901318_filter_id() - DMA channel filter function
  * @chan: dma channel handle
  * @chan_id: id of dma channel to be filter out
  *
  * In dma_request_channel() it specifies what channel id to be requested
  */
 bool coh901318_filter_id(struct dma_chan *chan, void *chan_id);
 #else
 static inline bool coh901318_filter_id(struct dma_chan *chan, void *chan_id)
 {
 	return false;
 }
 #endif

 /*
  * DMA Controller - this access the static mappings of the coh901318 dma.
  *
  */

 #define COH901318_MOD32_MASK					(0x1F)
 #define COH901318_WORD_MASK					(0xFFFFFFFF)
 /* INT_STATUS - Interrupt Status Registers 32bit (R/-) */
 #define COH901318_INT_STATUS1					(0x0000)
 #define COH901318_INT_STATUS2					(0x0004)
 /* TC_INT_STATUS - Terminal Count Interrupt Status Registers 32bit (R/-) */
 #define COH901318_TC_INT_STATUS1				(0x0008)
 #define COH901318_TC_INT_STATUS2				(0x000C)
 /* TC_INT_CLEAR - Terminal Count Interrupt Clear Registers 32bit (-/W) */
 #define COH901318_TC_INT_CLEAR1					(0x0010)
 #define COH901318_TC_INT_CLEAR2					(0x0014)
 /* RAW_TC_INT_STATUS - Raw Term Count Interrupt Status Registers 32bit (R/-) */
 #define COH901318_RAW_TC_INT_STATUS1				(0x0018)
 #define COH901318_RAW_TC_INT_STATUS2				(0x001C)
 /* BE_INT_STATUS - Bus Error Interrupt Status Registers 32bit (R/-) */
 #define COH901318_BE_INT_STATUS1				(0x0020)
 #define COH901318_BE_INT_STATUS2				(0x0024)
 /* BE_INT_CLEAR - Bus Error Interrupt Clear Registers 32bit (-/W) */
 #define COH901318_BE_INT_CLEAR1					(0x0028)
 #define COH901318_BE_INT_CLEAR2					(0x002C)
 /* RAW_BE_INT_STATUS - Raw Term Count Interrupt Status Registers 32bit (R/-) */
 #define COH901318_RAW_BE_INT_STATUS1				(0x0030)
 #define COH901318_RAW_BE_INT_STATUS2				(0x0034)

 /*
  * CX_CFG - Channel Configuration Registers 32bit (R/W)
  */
 #define COH901318_CX_CFG					(0x0100)
 #define COH901318_CX_CFG_SPACING				(0x04)
 /* Channel enable activates tha dma job */
 #define COH901318_CX_CFG_CH_ENABLE				(0x00000001)
 #define COH901318_CX_CFG_CH_DISABLE				(0x00000000)
 /* Request Mode */
 #define COH901318_CX_CFG_RM_MASK				(0x00000006)
 #define COH901318_CX_CFG_RM_MEMORY_TO_MEMORY			(0x0 << 1)
 #define COH901318_CX_CFG_RM_PRIMARY_TO_MEMORY			(0x1 << 1)
 #define COH901318_CX_CFG_RM_MEMORY_TO_PRIMARY			(0x1 << 1)
 #define COH901318_CX_CFG_RM_PRIMARY_TO_SECONDARY		(0x3 << 1)
 #define COH901318_CX_CFG_RM_SECONDARY_TO_PRIMARY		(0x3 << 1)
 /* Linked channel request field. RM must == 11 */
 #define COH901318_CX_CFG_LCRF_SHIFT				3
 #define COH901318_CX_CFG_LCRF_MASK				(0x000001F8)
 #define COH901318_CX_CFG_LCR_DISABLE				(0x00000000)
 /* Terminal Counter Interrupt Request Mask */
 #define COH901318_CX_CFG_TC_IRQ_ENABLE				(0x00000200)
 #define COH901318_CX_CFG_TC_IRQ_DISABLE				(0x00000000)
 /* Bus Error interrupt Mask */
 #define COH901318_CX_CFG_BE_IRQ_ENABLE				(0x00000400)
 #define COH901318_CX_CFG_BE_IRQ_DISABLE				(0x00000000)

 /*
  * CX_STAT - Channel Status Registers 32bit (R/-)
  */
 #define COH901318_CX_STAT					(0x0200)
 #define COH901318_CX_STAT_SPACING				(0x04)
 #define COH901318_CX_STAT_RBE_IRQ_IND				(0x00000008)
 #define COH901318_CX_STAT_RTC_IRQ_IND				(0x00000004)
 #define COH901318_CX_STAT_ACTIVE				(0x00000002)
 #define COH901318_CX_STAT_ENABLED				(0x00000001)

 /*
  * CX_CTRL - Channel Control Registers 32bit (R/W)
  */
 #define COH901318_CX_CTRL					(0x0400)
 #define COH901318_CX_CTRL_SPACING				(0x10)
 /* Transfer Count Enable */
 #define COH901318_CX_CTRL_TC_ENABLE				(0x00001000)
 #define COH901318_CX_CTRL_TC_DISABLE				(0x00000000)
 /* Transfer Count Value 0 - 4095 */
 #define COH901318_CX_CTRL_TC_VALUE_MASK				(0x00000FFF)
 /* Burst count */
 #define COH901318_CX_CTRL_BURST_COUNT_MASK			(0x0000E000)
 #define COH901318_CX_CTRL_BURST_COUNT_64_BYTES			(0x7 << 13)
 #define COH901318_CX_CTRL_BURST_COUNT_48_BYTES			(0x6 << 13)
 #define COH901318_CX_CTRL_BURST_COUNT_32_BYTES			(0x5 << 13)
 #define COH901318_CX_CTRL_BURST_COUNT_16_BYTES			(0x4 << 13)
 #define COH901318_CX_CTRL_BURST_COUNT_8_BYTES			(0x3 << 13)
 #define COH901318_CX_CTRL_BURST_COUNT_4_BYTES			(0x2 << 13)
 #define COH901318_CX_CTRL_BURST_COUNT_2_BYTES			(0x1 << 13)
 #define COH901318_CX_CTRL_BURST_COUNT_1_BYTE			(0x0 << 13)
 /* Source bus size  */
 #define COH901318_CX_CTRL_SRC_BUS_SIZE_MASK			(0x00030000)
 #define COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS			(0x2 << 16)
 #define COH901318_CX_CTRL_SRC_BUS_SIZE_16_BITS			(0x1 << 16)
 #define COH901318_CX_CTRL_SRC_BUS_SIZE_8_BITS			(0x0 << 16)
 /* Source address increment */
 #define COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE			(0x00040000)
 #define COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE			(0x00000000)
 /* Destination Bus Size */
 #define COH901318_CX_CTRL_DST_BUS_SIZE_MASK			(0x00180000)
 #define COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS			(0x2 << 19)
 #define COH901318_CX_CTRL_DST_BUS_SIZE_16_BITS			(0x1 << 19)
 #define COH901318_CX_CTRL_DST_BUS_SIZE_8_BITS			(0x0 << 19)
 /* Destination address increment */
 #define COH901318_CX_CTRL_DST_ADDR_INC_ENABLE			(0x00200000)
 #define COH901318_CX_CTRL_DST_ADDR_INC_DISABLE			(0x00000000)
 /* Master Mode (Master2 is only connected to MSL) */
 #define COH901318_CX_CTRL_MASTER_MODE_MASK			(0x00C00000)
 #define COH901318_CX_CTRL_MASTER_MODE_M2R_M1W			(0x3 << 22)
 #define COH901318_CX_CTRL_MASTER_MODE_M1R_M2W			(0x2 << 22)
 #define COH901318_CX_CTRL_MASTER_MODE_M2RW			(0x1 << 22)
 #define COH901318_CX_CTRL_MASTER_MODE_M1RW			(0x0 << 22)
 /* Terminal Count flag to PER enable */
 #define COH901318_CX_CTRL_TCP_ENABLE				(0x01000000)
 #define COH901318_CX_CTRL_TCP_DISABLE				(0x00000000)
 /* Terminal Count flags to CPU enable */
 #define COH901318_CX_CTRL_TC_IRQ_ENABLE				(0x02000000)
 #define COH901318_CX_CTRL_TC_IRQ_DISABLE			(0x00000000)
 /* Hand shake to peripheral */
 #define COH901318_CX_CTRL_HSP_ENABLE				(0x04000000)
 #define COH901318_CX_CTRL_HSP_DISABLE				(0x00000000)
 #define COH901318_CX_CTRL_HSS_ENABLE				(0x08000000)
 #define COH901318_CX_CTRL_HSS_DISABLE				(0x00000000)
 /* DMA mode */
 #define COH901318_CX_CTRL_DDMA_MASK				(0x30000000)
 #define COH901318_CX_CTRL_DDMA_LEGACY				(0x0 << 28)
 #define COH901318_CX_CTRL_DDMA_DEMAND_DMA1			(0x1 << 28)
 #define COH901318_CX_CTRL_DDMA_DEMAND_DMA2			(0x2 << 28)
 /* Primary Request Data Destination */
 #define COH901318_CX_CTRL_PRDD_MASK				(0x40000000)
 #define COH901318_CX_CTRL_PRDD_DEST				(0x1 << 30)
 #define COH901318_CX_CTRL_PRDD_SOURCE				(0x0 << 30)

 /*
  * CX_SRC_ADDR - Channel Source Address Registers 32bit (R/W)
  */
 #define COH901318_CX_SRC_ADDR					(0x0404)
 #define COH901318_CX_SRC_ADDR_SPACING				(0x10)

 /*
  * CX_DST_ADDR - Channel Destination Address Registers 32bit R/W
  */
 #define COH901318_CX_DST_ADDR					(0x0408)
 #define COH901318_CX_DST_ADDR_SPACING				(0x10)

 /*
  * CX_LNK_ADDR - Channel Link Address Registers 32bit (R/W)
  */
 #define COH901318_CX_LNK_ADDR					(0x040C)
 #define COH901318_CX_LNK_ADDR_SPACING				(0x10)
 #define COH901318_CX_LNK_LINK_IMMEDIATE				(0x00000001)
 #endif /* COH901318_H */
	/*
	*
	* include/linux/coh901318.h
	*
	*
	* Copyright (C) 2007-2009 ST-Ericsson
	* License terms: GNU General Public License (GPL) version 2
	* DMA driver for COH 901 318
	* Author: Per Friden <per.friden@stericsson.com>
	*/

	#ifndef COH901318_H
	#define COH901318_H

	#include <linux/device.h>
	#include <linux/dmaengine.h>

	#define MAX_DMA_PACKET_SIZE_SHIFT 11
	#define MAX_DMA_PACKET_SIZE (1 << MAX_DMA_PACKET_SIZE_SHIFT)

	/**
	* struct coh901318_lli - linked list item for DMAC
	* @control: control settings for DMAC
	* @src_addr: transfer source address
	* @dst_addr: transfer destination address
	* @link_addr: physical address to next lli
	* @virt_link_addr: virtual address of next lli (only used by pool_free)
	* @phy_this: physical address of current lli (only used by pool_free)
	*/
	struct coh901318_lli {
	u32 control;
	dma_addr_t src_addr;
	dma_addr_t dst_addr;
	dma_addr_t link_addr;

	void *virt_link_addr;
	dma_addr_t phy_this;
	};
	/**
	* struct coh901318_params - parameters for DMAC configuration
	* @config: DMA config register
	* @ctrl_lli_last: DMA control register for the last lli in the list
	* @ctrl_lli: DMA control register for an lli
	* @ctrl_lli_chained: DMA control register for a chained lli
	*/
	struct coh901318_params {
	u32 config;
	u32 ctrl_lli_last;
	u32 ctrl_lli;
	u32 ctrl_lli_chained;
	};
	/**
	* struct coh_dma_channel - dma channel base
	* @name: ascii name of dma channel
	* @number: channel id number
	* @desc_nbr_max: number of preallocated descriptors
	* @priority_high: prio of channel, 0 low otherwise high.
	* @param: configuration parameters
	* @dev_addr: physical address of periphal connected to channel
	*/
	struct coh_dma_channel {
	const char name[32];
	const int number;
	const int desc_nbr_max;
	const int priority_high;
	const struct coh901318_params param;
	const dma_addr_t dev_addr;
	};

	/**
	* dma_access_memory_state_t - register dma for memory access
	*
	* @dev: The dma device
	* @active: 1 means dma intends to access memory
	* 0 means dma wont access memory
	*/
	typedef void (dma_access_memory_state_t)(struct device dev,
	bool active);

	/**
	* struct powersave - DMA power save structure
	* @lock: lock protecting data in this struct
	* @started_channels: bit mask indicating active dma channels
	*/
	struct powersave {
	spinlock_t lock;
	u64 started_channels;
	};
	/**
	* struct coh901318_platform - platform arch structure
	* @chans_slave: specifying dma slave channels
	* @chans_memcpy: specifying dma memcpy channels
	* @access_memory_state: requesting DMA memory access (on / off)
	* @chan_conf: dma channel configurations
	* @max_channels: max number of dma chanenls
	*/
	struct coh901318_platform {
	const int *chans_slave;
	const int *chans_memcpy;
	const dma_access_memory_state_t access_memory_state;
	const struct coh_dma_channel *chan_conf;
	const int max_channels;
	};

	#ifdef CONFIG_COH901318
	/**
	* coh901318_filter_id() - DMA channel filter function
	* @chan: dma channel handle
	* @chan_id: id of dma channel to be filter out
	*
	* In dma_request_channel() it specifies what channel id to be requested
	*/
	bool coh901318_filter_id(struct dma_chan chan, void chan_id);
	#else
	static inline bool coh901318_filter_id(struct dma_chan chan, void chan_id)
	{
	return false;
	}
	#endif

	/*
	* DMA Controller - this access the static mappings of the coh901318 dma.
	*
	*/

	#define COH901318_MOD32_MASK (0x1F)
	#define COH901318_WORD_MASK (0xFFFFFFFF)
	/* INT_STATUS - Interrupt Status Registers 32bit (R/-) */
	#define COH901318_INT_STATUS1 (0x0000)
	#define COH901318_INT_STATUS2 (0x0004)
	/* TC_INT_STATUS - Terminal Count Interrupt Status Registers 32bit (R/-) */
	#define COH901318_TC_INT_STATUS1 (0x0008)
	#define COH901318_TC_INT_STATUS2 (0x000C)
	/* TC_INT_CLEAR - Terminal Count Interrupt Clear Registers 32bit (-/W) */
	#define COH901318_TC_INT_CLEAR1 (0x0010)
	#define COH901318_TC_INT_CLEAR2 (0x0014)
	/* RAW_TC_INT_STATUS - Raw Term Count Interrupt Status Registers 32bit (R/-) */
	#define COH901318_RAW_TC_INT_STATUS1 (0x0018)
	#define COH901318_RAW_TC_INT_STATUS2 (0x001C)
	/* BE_INT_STATUS - Bus Error Interrupt Status Registers 32bit (R/-) */
	#define COH901318_BE_INT_STATUS1 (0x0020)
	#define COH901318_BE_INT_STATUS2 (0x0024)
	/* BE_INT_CLEAR - Bus Error Interrupt Clear Registers 32bit (-/W) */
	#define COH901318_BE_INT_CLEAR1 (0x0028)
	#define COH901318_BE_INT_CLEAR2 (0x002C)
	/* RAW_BE_INT_STATUS - Raw Term Count Interrupt Status Registers 32bit (R/-) */
	#define COH901318_RAW_BE_INT_STATUS1 (0x0030)
	#define COH901318_RAW_BE_INT_STATUS2 (0x0034)

	/*
	* CX_CFG - Channel Configuration Registers 32bit (R/W)
	*/
	#define COH901318_CX_CFG (0x0100)
	#define COH901318_CX_CFG_SPACING (0x04)
	/* Channel enable activates tha dma job */
	#define COH901318_CX_CFG_CH_ENABLE (0x00000001)
	#define COH901318_CX_CFG_CH_DISABLE (0x00000000)
	/* Request Mode */
	#define COH901318_CX_CFG_RM_MASK (0x00000006)
	#define COH901318_CX_CFG_RM_MEMORY_TO_MEMORY (0x0 << 1)
	#define COH901318_CX_CFG_RM_PRIMARY_TO_MEMORY (0x1 << 1)
	#define COH901318_CX_CFG_RM_MEMORY_TO_PRIMARY (0x1 << 1)
	#define COH901318_CX_CFG_RM_PRIMARY_TO_SECONDARY (0x3 << 1)
	#define COH901318_CX_CFG_RM_SECONDARY_TO_PRIMARY (0x3 << 1)
	/* Linked channel request field. RM must == 11 */
	#define COH901318_CX_CFG_LCRF_SHIFT 3
	#define COH901318_CX_CFG_LCRF_MASK (0x000001F8)
	#define COH901318_CX_CFG_LCR_DISABLE (0x00000000)
	/* Terminal Counter Interrupt Request Mask */
	#define COH901318_CX_CFG_TC_IRQ_ENABLE (0x00000200)
	#define COH901318_CX_CFG_TC_IRQ_DISABLE (0x00000000)
	/* Bus Error interrupt Mask */
	#define COH901318_CX_CFG_BE_IRQ_ENABLE (0x00000400)
	#define COH901318_CX_CFG_BE_IRQ_DISABLE (0x00000000)

	/*
	* CX_STAT - Channel Status Registers 32bit (R/-)
	*/
	#define COH901318_CX_STAT (0x0200)
	#define COH901318_CX_STAT_SPACING (0x04)
	#define COH901318_CX_STAT_RBE_IRQ_IND (0x00000008)
	#define COH901318_CX_STAT_RTC_IRQ_IND (0x00000004)
	#define COH901318_CX_STAT_ACTIVE (0x00000002)
	#define COH901318_CX_STAT_ENABLED (0x00000001)

	/*
	* CX_CTRL - Channel Control Registers 32bit (R/W)
	*/
	#define COH901318_CX_CTRL (0x0400)
	#define COH901318_CX_CTRL_SPACING (0x10)
	/* Transfer Count Enable */
	#define COH901318_CX_CTRL_TC_ENABLE (0x00001000)
	#define COH901318_CX_CTRL_TC_DISABLE (0x00000000)
	/* Transfer Count Value 0 - 4095 */
	#define COH901318_CX_CTRL_TC_VALUE_MASK (0x00000FFF)
	/* Burst count */
	#define COH901318_CX_CTRL_BURST_COUNT_MASK (0x0000E000)
	#define COH901318_CX_CTRL_BURST_COUNT_64_BYTES (0x7 << 13)
	#define COH901318_CX_CTRL_BURST_COUNT_48_BYTES (0x6 << 13)
	#define COH901318_CX_CTRL_BURST_COUNT_32_BYTES (0x5 << 13)
	#define COH901318_CX_CTRL_BURST_COUNT_16_BYTES (0x4 << 13)
	#define COH901318_CX_CTRL_BURST_COUNT_8_BYTES (0x3 << 13)
	#define COH901318_CX_CTRL_BURST_COUNT_4_BYTES (0x2 << 13)
	#define COH901318_CX_CTRL_BURST_COUNT_2_BYTES (0x1 << 13)
	#define COH901318_CX_CTRL_BURST_COUNT_1_BYTE (0x0 << 13)
	/* Source bus size */
	#define COH901318_CX_CTRL_SRC_BUS_SIZE_MASK (0x00030000)
	#define COH901318_CX_CTRL_SRC_BUS_SIZE_32_BITS (0x2 << 16)
	#define COH901318_CX_CTRL_SRC_BUS_SIZE_16_BITS (0x1 << 16)
	#define COH901318_CX_CTRL_SRC_BUS_SIZE_8_BITS (0x0 << 16)
	/* Source address increment */
	#define COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE (0x00040000)
	#define COH901318_CX_CTRL_SRC_ADDR_INC_DISABLE (0x00000000)
	/* Destination Bus Size */
	#define COH901318_CX_CTRL_DST_BUS_SIZE_MASK (0x00180000)
	#define COH901318_CX_CTRL_DST_BUS_SIZE_32_BITS (0x2 << 19)
	#define COH901318_CX_CTRL_DST_BUS_SIZE_16_BITS (0x1 << 19)
	#define COH901318_CX_CTRL_DST_BUS_SIZE_8_BITS (0x0 << 19)
	/* Destination address increment */
	#define COH901318_CX_CTRL_DST_ADDR_INC_ENABLE (0x00200000)
	#define COH901318_CX_CTRL_DST_ADDR_INC_DISABLE (0x00000000)
	/* Master Mode (Master2 is only connected to MSL) */
	#define COH901318_CX_CTRL_MASTER_MODE_MASK (0x00C00000)
	#define COH901318_CX_CTRL_MASTER_MODE_M2R_M1W (0x3 << 22)
	#define COH901318_CX_CTRL_MASTER_MODE_M1R_M2W (0x2 << 22)
	#define COH901318_CX_CTRL_MASTER_MODE_M2RW (0x1 << 22)
	#define COH901318_CX_CTRL_MASTER_MODE_M1RW (0x0 << 22)
	/* Terminal Count flag to PER enable */
	#define COH901318_CX_CTRL_TCP_ENABLE (0x01000000)
	#define COH901318_CX_CTRL_TCP_DISABLE (0x00000000)
	/* Terminal Count flags to CPU enable */
	#define COH901318_CX_CTRL_TC_IRQ_ENABLE (0x02000000)
	#define COH901318_CX_CTRL_TC_IRQ_DISABLE (0x00000000)
	/* Hand shake to peripheral */
	#define COH901318_CX_CTRL_HSP_ENABLE (0x04000000)
	#define COH901318_CX_CTRL_HSP_DISABLE (0x00000000)
	#define COH901318_CX_CTRL_HSS_ENABLE (0x08000000)
	#define COH901318_CX_CTRL_HSS_DISABLE (0x00000000)
	/* DMA mode */
	#define COH901318_CX_CTRL_DDMA_MASK (0x30000000)
	#define COH901318_CX_CTRL_DDMA_LEGACY (0x0 << 28)
	#define COH901318_CX_CTRL_DDMA_DEMAND_DMA1 (0x1 << 28)
	#define COH901318_CX_CTRL_DDMA_DEMAND_DMA2 (0x2 << 28)
	/* Primary Request Data Destination */
	#define COH901318_CX_CTRL_PRDD_MASK (0x40000000)
	#define COH901318_CX_CTRL_PRDD_DEST (0x1 << 30)
	#define COH901318_CX_CTRL_PRDD_SOURCE (0x0 << 30)

	/*
	* CX_SRC_ADDR - Channel Source Address Registers 32bit (R/W)
	*/
	#define COH901318_CX_SRC_ADDR (0x0404)
	#define COH901318_CX_SRC_ADDR_SPACING (0x10)

	/*
	* CX_DST_ADDR - Channel Destination Address Registers 32bit R/W
	*/
	#define COH901318_CX_DST_ADDR (0x0408)
	#define COH901318_CX_DST_ADDR_SPACING (0x10)

	/*
	* CX_LNK_ADDR - Channel Link Address Registers 32bit (R/W)
	*/
	#define COH901318_CX_LNK_ADDR (0x040C)
	#define COH901318_CX_LNK_ADDR_SPACING (0x10)
	#define COH901318_CX_LNK_LINK_IMMEDIATE (0x00000001)
	#endif /* COH901318_H */