ARM: 5658/1: bcmring: add csp dmac header files
add csp dmac header files Signed-off-by: Leo Chen <leochen@broadcom.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Leo Chen
Russell King
parent
638ee2db19
commit
1a4a561bdd
596
arch/arm/mach-bcmring/include/csp/dmacHw.h
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596
arch/arm/mach-bcmring/include/csp/dmacHw.h
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/*****************************************************************************
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* Copyright 2004 - 2008 Broadcom Corporation. All rights reserved.
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2, available at
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* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a
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* license other than the GPL, without Broadcom's express prior written
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* consent.
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*****************************************************************************/
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/****************************************************************************/
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/**
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* @file dmacHw.h
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*
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* @brief API definitions for low level DMA controller driver
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*
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*/
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/****************************************************************************/
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#ifndef _DMACHW_H
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#define _DMACHW_H
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#include <stddef.h>
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#include <csp/stdint.h>
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#include <mach/csp/dmacHw_reg.h>
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/* Define DMA Channel ID using DMA controller number (m) and channel number (c).
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System specific channel ID should be defined as follows
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For example:
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#include <dmacHw.h>
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...
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#define systemHw_LCD_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(0,5)
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#define systemHw_SWITCH_RX_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(0,0)
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#define systemHw_SWITCH_TX_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(0,1)
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#define systemHw_APM_RX_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(0,3)
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#define systemHw_APM_TX_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(0,4)
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...
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#define systemHw_SHARED1_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(1,4)
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#define systemHw_SHARED2_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(1,5)
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#define systemHw_SHARED3_CHANNEL_ID dmacHw_MAKE_CHANNEL_ID(0,6)
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...
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*/
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#define dmacHw_MAKE_CHANNEL_ID(m, c) (m << 8 | c)
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typedef enum {
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dmacHw_CHANNEL_PRIORITY_0 = dmacHw_REG_CFG_LO_CH_PRIORITY_0, /* Channel priority 0. Lowest priority DMA channel */
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dmacHw_CHANNEL_PRIORITY_1 = dmacHw_REG_CFG_LO_CH_PRIORITY_1, /* Channel priority 1 */
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dmacHw_CHANNEL_PRIORITY_2 = dmacHw_REG_CFG_LO_CH_PRIORITY_2, /* Channel priority 2 */
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dmacHw_CHANNEL_PRIORITY_3 = dmacHw_REG_CFG_LO_CH_PRIORITY_3, /* Channel priority 3 */
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dmacHw_CHANNEL_PRIORITY_4 = dmacHw_REG_CFG_LO_CH_PRIORITY_4, /* Channel priority 4 */
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dmacHw_CHANNEL_PRIORITY_5 = dmacHw_REG_CFG_LO_CH_PRIORITY_5, /* Channel priority 5 */
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dmacHw_CHANNEL_PRIORITY_6 = dmacHw_REG_CFG_LO_CH_PRIORITY_6, /* Channel priority 6 */
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dmacHw_CHANNEL_PRIORITY_7 = dmacHw_REG_CFG_LO_CH_PRIORITY_7 /* Channel priority 7. Highest priority DMA channel */
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} dmacHw_CHANNEL_PRIORITY_e;
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/* Source destination master interface */
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typedef enum {
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dmacHw_SRC_MASTER_INTERFACE_1 = dmacHw_REG_CTL_SMS_1, /* Source DMA master interface 1 */
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dmacHw_SRC_MASTER_INTERFACE_2 = dmacHw_REG_CTL_SMS_2, /* Source DMA master interface 2 */
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dmacHw_DST_MASTER_INTERFACE_1 = dmacHw_REG_CTL_DMS_1, /* Destination DMA master interface 1 */
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dmacHw_DST_MASTER_INTERFACE_2 = dmacHw_REG_CTL_DMS_2 /* Destination DMA master interface 2 */
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} dmacHw_MASTER_INTERFACE_e;
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typedef enum {
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dmacHw_SRC_TRANSACTION_WIDTH_8 = dmacHw_REG_CTL_SRC_TR_WIDTH_8, /* Source 8 bit (1 byte) per transaction */
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dmacHw_SRC_TRANSACTION_WIDTH_16 = dmacHw_REG_CTL_SRC_TR_WIDTH_16, /* Source 16 bit (2 byte) per transaction */
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dmacHw_SRC_TRANSACTION_WIDTH_32 = dmacHw_REG_CTL_SRC_TR_WIDTH_32, /* Source 32 bit (4 byte) per transaction */
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dmacHw_SRC_TRANSACTION_WIDTH_64 = dmacHw_REG_CTL_SRC_TR_WIDTH_64, /* Source 64 bit (8 byte) per transaction */
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dmacHw_DST_TRANSACTION_WIDTH_8 = dmacHw_REG_CTL_DST_TR_WIDTH_8, /* Destination 8 bit (1 byte) per transaction */
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dmacHw_DST_TRANSACTION_WIDTH_16 = dmacHw_REG_CTL_DST_TR_WIDTH_16, /* Destination 16 bit (2 byte) per transaction */
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dmacHw_DST_TRANSACTION_WIDTH_32 = dmacHw_REG_CTL_DST_TR_WIDTH_32, /* Destination 32 bit (4 byte) per transaction */
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dmacHw_DST_TRANSACTION_WIDTH_64 = dmacHw_REG_CTL_DST_TR_WIDTH_64 /* Destination 64 bit (8 byte) per transaction */
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} dmacHw_TRANSACTION_WIDTH_e;
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typedef enum {
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dmacHw_SRC_BURST_WIDTH_0 = dmacHw_REG_CTL_SRC_MSIZE_0, /* Source No burst */
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dmacHw_SRC_BURST_WIDTH_4 = dmacHw_REG_CTL_SRC_MSIZE_4, /* Source 4 X dmacHw_TRANSACTION_WIDTH_xxx bytes per burst */
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dmacHw_SRC_BURST_WIDTH_8 = dmacHw_REG_CTL_SRC_MSIZE_8, /* Source 8 X dmacHw_TRANSACTION_WIDTH_xxx bytes per burst */
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dmacHw_SRC_BURST_WIDTH_16 = dmacHw_REG_CTL_SRC_MSIZE_16, /* Source 16 X dmacHw_TRANSACTION_WIDTH_xxx bytes per burst */
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dmacHw_DST_BURST_WIDTH_0 = dmacHw_REG_CTL_DST_MSIZE_0, /* Destination No burst */
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dmacHw_DST_BURST_WIDTH_4 = dmacHw_REG_CTL_DST_MSIZE_4, /* Destination 4 X dmacHw_TRANSACTION_WIDTH_xxx bytes per burst */
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dmacHw_DST_BURST_WIDTH_8 = dmacHw_REG_CTL_DST_MSIZE_8, /* Destination 8 X dmacHw_TRANSACTION_WIDTH_xxx bytes per burst */
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dmacHw_DST_BURST_WIDTH_16 = dmacHw_REG_CTL_DST_MSIZE_16 /* Destination 16 X dmacHw_TRANSACTION_WIDTH_xxx bytes per burst */
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} dmacHw_BURST_WIDTH_e;
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typedef enum {
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dmacHw_TRANSFER_TYPE_MEM_TO_MEM = dmacHw_REG_CTL_TTFC_MM_DMAC, /* Memory to memory transfer */
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dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM = dmacHw_REG_CTL_TTFC_PM_DMAC, /* Peripheral to memory transfer */
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dmacHw_TRANSFER_TYPE_MEM_TO_PERIPHERAL = dmacHw_REG_CTL_TTFC_MP_DMAC, /* Memory to peripheral transfer */
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dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_PERIPHERAL = dmacHw_REG_CTL_TTFC_PP_DMAC /* Peripheral to peripheral transfer */
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} dmacHw_TRANSFER_TYPE_e;
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typedef enum {
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dmacHw_TRANSFER_MODE_PERREQUEST, /* Block transfer per DMA request */
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dmacHw_TRANSFER_MODE_CONTINUOUS, /* Continuous transfer of streaming data */
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dmacHw_TRANSFER_MODE_PERIODIC /* Periodic transfer of streaming data */
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} dmacHw_TRANSFER_MODE_e;
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typedef enum {
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dmacHw_SRC_ADDRESS_UPDATE_MODE_INC = dmacHw_REG_CTL_SINC_INC, /* Increment source address after every transaction */
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dmacHw_SRC_ADDRESS_UPDATE_MODE_DEC = dmacHw_REG_CTL_SINC_DEC, /* Decrement source address after every transaction */
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dmacHw_DST_ADDRESS_UPDATE_MODE_INC = dmacHw_REG_CTL_DINC_INC, /* Increment destination address after every transaction */
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dmacHw_DST_ADDRESS_UPDATE_MODE_DEC = dmacHw_REG_CTL_DINC_DEC, /* Decrement destination address after every transaction */
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dmacHw_SRC_ADDRESS_UPDATE_MODE_NC = dmacHw_REG_CTL_SINC_NC, /* No change in source address after every transaction */
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dmacHw_DST_ADDRESS_UPDATE_MODE_NC = dmacHw_REG_CTL_DINC_NC /* No change in destination address after every transaction */
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} dmacHw_ADDRESS_UPDATE_MODE_e;
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typedef enum {
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dmacHw_FLOW_CONTROL_DMA, /* DMA working as flow controller (default) */
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dmacHw_FLOW_CONTROL_PERIPHERAL /* Peripheral working as flow controller */
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} dmacHw_FLOW_CONTROL_e;
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typedef enum {
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dmacHw_TRANSFER_STATUS_BUSY, /* DMA Transfer ongoing */
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dmacHw_TRANSFER_STATUS_DONE, /* DMA Transfer completed */
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dmacHw_TRANSFER_STATUS_ERROR /* DMA Transfer error */
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} dmacHw_TRANSFER_STATUS_e;
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typedef enum {
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dmacHw_INTERRUPT_DISABLE, /* Interrupt disable */
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dmacHw_INTERRUPT_ENABLE /* Interrupt enable */
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} dmacHw_INTERRUPT_e;
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typedef enum {
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dmacHw_INTERRUPT_STATUS_NONE = 0x0, /* No DMA interrupt */
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dmacHw_INTERRUPT_STATUS_TRANS = 0x1, /* End of DMA transfer interrupt */
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dmacHw_INTERRUPT_STATUS_BLOCK = 0x2, /* End of block transfer interrupt */
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dmacHw_INTERRUPT_STATUS_ERROR = 0x4 /* Error interrupt */
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} dmacHw_INTERRUPT_STATUS_e;
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typedef enum {
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dmacHw_CONTROLLER_ATTRIB_CHANNEL_NUM, /* Number of DMA channel */
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dmacHw_CONTROLLER_ATTRIB_CHANNEL_MAX_BLOCK_SIZE, /* Maximum channel burst size */
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dmacHw_CONTROLLER_ATTRIB_MASTER_INTF_NUM, /* Number of DMA master interface */
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dmacHw_CONTROLLER_ATTRIB_CHANNEL_BUS_WIDTH, /* Channel Data bus width */
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dmacHw_CONTROLLER_ATTRIB_CHANNEL_FIFO_SIZE /* Channel FIFO size */
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} dmacHw_CONTROLLER_ATTRIB_e;
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typedef unsigned long dmacHw_HANDLE_t; /* DMA channel handle */
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typedef uint32_t dmacHw_ID_t; /* DMA channel Id. Must be created using
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"dmacHw_MAKE_CHANNEL_ID" macro
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*/
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/* DMA channel configuration parameters */
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typedef struct {
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uint32_t srcPeripheralPort; /* Source peripheral port */
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uint32_t dstPeripheralPort; /* Destination peripheral port */
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uint32_t srcStatusRegisterAddress; /* Source status register address */
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uint32_t dstStatusRegisterAddress; /* Destination status register address of type */
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uint32_t srcGatherWidth; /* Number of bytes gathered before successive gather opearation */
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uint32_t srcGatherJump; /* Number of bytes jumpped before successive gather opearation */
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uint32_t dstScatterWidth; /* Number of bytes sacattered before successive scatter opearation */
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uint32_t dstScatterJump; /* Number of bytes jumpped before successive scatter opearation */
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uint32_t maxDataPerBlock; /* Maximum number of bytes to be transferred per block/descrptor.
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0 = Maximum possible.
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*/
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dmacHw_ADDRESS_UPDATE_MODE_e srcUpdate; /* Source address update mode */
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dmacHw_ADDRESS_UPDATE_MODE_e dstUpdate; /* Destination address update mode */
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dmacHw_TRANSFER_TYPE_e transferType; /* DMA transfer type */
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dmacHw_TRANSFER_MODE_e transferMode; /* DMA transfer mode */
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dmacHw_MASTER_INTERFACE_e srcMasterInterface; /* DMA source interface */
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dmacHw_MASTER_INTERFACE_e dstMasterInterface; /* DMA destination interface */
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dmacHw_TRANSACTION_WIDTH_e srcMaxTransactionWidth; /* Source transaction width */
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dmacHw_TRANSACTION_WIDTH_e dstMaxTransactionWidth; /* Destination transaction width */
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dmacHw_BURST_WIDTH_e srcMaxBurstWidth; /* Source burst width */
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dmacHw_BURST_WIDTH_e dstMaxBurstWidth; /* Destination burst width */
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dmacHw_INTERRUPT_e blockTransferInterrupt; /* Block trsnafer interrupt */
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dmacHw_INTERRUPT_e completeTransferInterrupt; /* Complete DMA trsnafer interrupt */
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dmacHw_INTERRUPT_e errorInterrupt; /* Error interrupt */
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dmacHw_CHANNEL_PRIORITY_e channelPriority; /* Channel priority */
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dmacHw_FLOW_CONTROL_e flowControler; /* Data flow controller */
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} dmacHw_CONFIG_t;
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/****************************************************************************/
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/**
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* @brief Initializes DMA
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*
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* This function initializes DMA CSP driver
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*
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* @note
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* Must be called before using any DMA channel
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*/
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/****************************************************************************/
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void dmacHw_initDma(void);
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/****************************************************************************/
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/**
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* @brief Exit function for DMA
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*
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* This function isolates DMA from the system
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*
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*/
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/****************************************************************************/
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void dmacHw_exitDma(void);
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/****************************************************************************/
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/**
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* @brief Gets a handle to a DMA channel
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*
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* This function returns a handle, representing a control block of a particular DMA channel
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*
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* @return -1 - On Failure
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* handle - On Success, representing a channel control block
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*
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* @note
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* None Channel ID must be created using "dmacHw_MAKE_CHANNEL_ID" macro
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*/
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/****************************************************************************/
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dmacHw_HANDLE_t dmacHw_getChannelHandle(dmacHw_ID_t channelId /* [ IN ] DMA Channel Id */
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);
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/****************************************************************************/
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/**
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* @brief Initializes a DMA channel for use
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*
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* This function initializes and resets a DMA channel for use
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*
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* @return -1 - On Failure
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* 0 - On Success
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*
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* @note
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* None
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*/
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/****************************************************************************/
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int dmacHw_initChannel(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */
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);
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/****************************************************************************/
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/**
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* @brief Estimates number of descriptor needed to perform certain DMA transfer
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*
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*
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* @return On failure : -1
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* On success : Number of descriptor count
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*
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*
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*/
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/****************************************************************************/
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int dmacHw_calculateDescriptorCount(dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */
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void *pSrcAddr, /* [ IN ] Source (Peripheral/Memory) address */
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void *pDstAddr, /* [ IN ] Destination (Peripheral/Memory) address */
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size_t dataLen /* [ IN ] Data length in bytes */
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);
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/****************************************************************************/
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/**
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* @brief Initializes descriptor ring
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*
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* This function will initializes the descriptor ring of a DMA channel
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*
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*
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* @return -1 - On failure
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* 0 - On success
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* @note
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* - "len" parameter should be obtained from "dmacHw_descriptorLen"
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* - Descriptor buffer MUST be 32 bit aligned and uncached as it
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* is accessed by ARM and DMA
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*/
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/****************************************************************************/
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int dmacHw_initDescriptor(void *pDescriptorVirt, /* [ IN ] Virtual address of uncahced buffer allocated to form descriptor ring */
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uint32_t descriptorPhyAddr, /* [ IN ] Physical address of pDescriptorVirt (descriptor buffer) */
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uint32_t len, /* [ IN ] Size of the pBuf */
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uint32_t num /* [ IN ] Number of descriptor in the ring */
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);
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/****************************************************************************/
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/**
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* @brief Finds amount of memory required to form a descriptor ring
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*
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*
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* @return Number of bytes required to form a descriptor ring
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*
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*
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* @note
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* None
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*/
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/****************************************************************************/
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uint32_t dmacHw_descriptorLen(uint32_t descCnt /* [ IN ] Number of descriptor in the ring */
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);
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/****************************************************************************/
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/**
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* @brief Configure DMA channel
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*
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* @return 0 : On success
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* -1 : On failure
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*/
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/****************************************************************************/
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int dmacHw_configChannel(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */
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dmacHw_CONFIG_t *pConfig /* [ IN ] Configuration settings */
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);
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/****************************************************************************/
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/**
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* @brief Set descriptors for known data length
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*
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* When DMA has to work as a flow controller, this function prepares the
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* descriptor chain to transfer data
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*
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* from:
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* - Memory to memory
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* - Peripheral to memory
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* - Memory to Peripheral
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* - Peripheral to Peripheral
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*
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* @return -1 - On failure
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* 0 - On success
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*
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*/
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/****************************************************************************/
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int dmacHw_setDataDescriptor(dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */
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void *pDescriptor, /* [ IN ] Descriptor buffer */
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void *pSrcAddr, /* [ IN ] Source (Peripheral/Memory) address */
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void *pDstAddr, /* [ IN ] Destination (Peripheral/Memory) address */
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size_t dataLen /* [ IN ] Length in bytes */
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);
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/****************************************************************************/
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/**
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* @brief Indicates whether DMA transfer is in progress or completed
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*
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* @return DMA transfer status
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* dmacHw_TRANSFER_STATUS_BUSY: DMA Transfer ongoing
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* dmacHw_TRANSFER_STATUS_DONE: DMA Transfer completed
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* dmacHw_TRANSFER_STATUS_ERROR: DMA Transfer error
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*
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*/
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/****************************************************************************/
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dmacHw_TRANSFER_STATUS_e dmacHw_transferCompleted(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */
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);
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/****************************************************************************/
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/**
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* @brief Set descriptor carrying control information
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*
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* This function will be used to send specific control information to the device
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* using the DMA channel
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*
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*
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* @return -1 - On failure
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* 0 - On success
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*
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* @note
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* None
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*/
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/****************************************************************************/
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int dmacHw_setControlDescriptor(dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */
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void *pDescriptor, /* [ IN ] Descriptor buffer */
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uint32_t ctlAddress, /* [ IN ] Address of the device control register */
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uint32_t control /* [ IN ] Device control information */
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);
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/****************************************************************************/
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/**
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* @brief Read data DMA transferred to memory
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*
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* This function will read data that has been DMAed to memory while transfering from:
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* - Memory to memory
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* - Peripheral to memory
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*
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* @return 0 - No more data is available to read
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* 1 - More data might be available to read
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*
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*/
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/****************************************************************************/
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int dmacHw_readTransferredData(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */
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dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */
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void *pDescriptor, /* [ IN ] Descriptor buffer */
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void **ppBbuf, /* [ OUT ] Data received */
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size_t *pLlen /* [ OUT ] Length of the data received */
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);
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/****************************************************************************/
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/**
|
||||
* @brief Prepares descriptor ring, when source peripheral working as a flow controller
|
||||
*
|
||||
* This function will form the descriptor ring by allocating buffers, when source peripheral
|
||||
* has to work as a flow controller to transfer data from:
|
||||
* - Peripheral to memory.
|
||||
*
|
||||
* @return -1 - On failure
|
||||
* 0 - On success
|
||||
*
|
||||
*
|
||||
* @note
|
||||
* None
|
||||
*/
|
||||
/****************************************************************************/
|
||||
int dmacHw_setVariableDataDescriptor(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */
|
||||
dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */
|
||||
void *pDescriptor, /* [ IN ] Descriptor buffer */
|
||||
uint32_t srcAddr, /* [ IN ] Source peripheral address */
|
||||
void *(*fpAlloc) (int len), /* [ IN ] Function pointer that provides destination memory */
|
||||
int len, /* [ IN ] Number of bytes "fpAlloc" will allocate for destination */
|
||||
int num /* [ IN ] Number of descriptor to set */
|
||||
);
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
* @brief Program channel register to initiate transfer
|
||||
*
|
||||
* @return void
|
||||
*
|
||||
*
|
||||
* @note
|
||||
* - Descriptor buffer MUST ALWAYS be flushed before calling this function
|
||||
* - This function should also be called from ISR to program the channel with
|
||||
* pending descriptors
|
||||
*/
|
||||
/****************************************************************************/
|
||||
void dmacHw_initiateTransfer(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */
|
||||
dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */
|
||||
void *pDescriptor /* [ IN ] Descriptor buffer */
|
||||
);
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
* @brief Resets descriptor control information
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
/****************************************************************************/
|
||||
void dmacHw_resetDescriptorControl(void *pDescriptor /* [ IN ] Descriptor buffer */
|
||||
);
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
* @brief Program channel register to stop transfer
|
||||
*
|
||||
* Ensures the channel is not doing any transfer after calling this function
|
||||
*
|
||||
* @return void
|
||||
*
|
||||
*/
|
||||
/****************************************************************************/
|
||||
void dmacHw_stopTransfer(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */
|
||||
);
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
* @brief Check the existance of pending descriptor
|
||||
*
|
||||
* This function confirmes if there is any pending descriptor in the chain
|
||||
* to program the channel
|
||||
*
|
||||
* @return 1 : Channel need to be programmed with pending descriptor
|
||||
* 0 : No more pending descriptor to programe the channel
|
||||
*
|
||||
* @note
|
||||
* - This function should be called from ISR in case there are pending
|
||||
* descriptor to program the channel.
|
||||
*
|
||||
* Example:
|
||||
*
|
||||
* dmac_isr ()
|
||||
* {
|
||||
* ...
|
||||
* if (dmacHw_descriptorPending (handle))
|
||||
* {
|
||||
* dmacHw_initiateTransfer (handle);
|
||||
* }
|
||||
* }
|
||||
*
|
||||
*/
|
||||
/****************************************************************************/
|
||||
uint32_t dmacHw_descriptorPending(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */
|
||||
void *pDescriptor /* [ IN ] Descriptor buffer */
|
||||
);
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
* @brief Deallocates source or destination memory, allocated
|
||||
*
|
||||
* This function can be called to deallocate data memory that was DMAed successfully
|
||||
*
|
||||
* @return -1 - On failure
|
||||
* 0 - On success
|
||||
*
|
||||
* @note
|
||||
* This function will be called ONLY, when source OR destination address is pointing
|
||||
* to dynamic memory
|
||||
*/
|
||||
/****************************************************************************/
|
||||
int dmacHw_freeMem(dmacHw_CONFIG_t *pConfig, /* [ IN ] Configuration settings */
|
||||
void *pDescriptor, /* [ IN ] Descriptor buffer */
|
||||
void (*fpFree) (void *) /* [ IN ] Function pointer to free data memory */
|
||||
);
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
* @brief Clears the interrupt
|
||||
*
|
||||
* This function clears the DMA channel specific interrupt
|
||||
*
|
||||
* @return N/A
|
||||
*
|
||||
* @note
|
||||
* Must be called under the context of ISR
|
||||
*/
|
||||
/****************************************************************************/
|
||||
void dmacHw_clearInterrupt(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */
|
||||
);
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
* @brief Returns the cause of channel specific DMA interrupt
|
||||
*
|
||||
* This function returns the cause of interrupt
|
||||
*
|
||||
* @return Interrupt status, each bit representing a specific type of interrupt
|
||||
* of type dmacHw_INTERRUPT_STATUS_e
|
||||
* @note
|
||||
* This function should be called under the context of ISR
|
||||
*/
|
||||
/****************************************************************************/
|
||||
dmacHw_INTERRUPT_STATUS_e dmacHw_getInterruptStatus(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */
|
||||
);
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
* @brief Indentifies a DMA channel causing interrupt
|
||||
*
|
||||
* This functions returns a channel causing interrupt of type dmacHw_INTERRUPT_STATUS_e
|
||||
*
|
||||
* @return NULL : No channel causing DMA interrupt
|
||||
* ! NULL : Handle to a channel causing DMA interrupt
|
||||
* @note
|
||||
* dmacHw_clearInterrupt() must be called with a valid handle after calling this function
|
||||
*/
|
||||
/****************************************************************************/
|
||||
dmacHw_HANDLE_t dmacHw_getInterruptSource(void);
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
* @brief Sets channel specific user data
|
||||
*
|
||||
* This function associates user data to a specif DMA channel
|
||||
*
|
||||
*/
|
||||
/****************************************************************************/
|
||||
void dmacHw_setChannelUserData(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */
|
||||
void *userData /* [ IN ] User data */
|
||||
);
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
* @brief Gets channel specific user data
|
||||
*
|
||||
* This function returns user data specific to a DMA channel
|
||||
*
|
||||
* @return user data
|
||||
*/
|
||||
/****************************************************************************/
|
||||
void *dmacHw_getChannelUserData(dmacHw_HANDLE_t handle /* [ IN ] DMA Channel handle */
|
||||
);
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
* @brief Displays channel specific registers and other control parameters
|
||||
*
|
||||
*
|
||||
* @return void
|
||||
*
|
||||
* @note
|
||||
* None
|
||||
*/
|
||||
/****************************************************************************/
|
||||
void dmacHw_printDebugInfo(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */
|
||||
void *pDescriptor, /* [ IN ] Descriptor buffer */
|
||||
int (*fpPrint) (const char *, ...) /* [ IN ] Print callback function */
|
||||
);
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
* @brief Provides DMA controller attributes
|
||||
*
|
||||
*
|
||||
* @return DMA controller attributes
|
||||
*
|
||||
* @note
|
||||
* None
|
||||
*/
|
||||
/****************************************************************************/
|
||||
uint32_t dmacHw_getDmaControllerAttribute(dmacHw_HANDLE_t handle, /* [ IN ] DMA Channel handle */
|
||||
dmacHw_CONTROLLER_ATTRIB_e attr /* [ IN ] DMA Controler attribute of type dmacHw_CONTROLLER_ATTRIB_e */
|
||||
);
|
||||
|
||||
#endif /* _DMACHW_H */
|
||||
145
arch/arm/mach-bcmring/include/mach/csp/dmacHw_priv.h
Normal file
145
arch/arm/mach-bcmring/include/mach/csp/dmacHw_priv.h
Normal file
|
|
@ -0,0 +1,145 @@
|
|||
/*****************************************************************************
|
||||
* Copyright 2004 - 2008 Broadcom Corporation. All rights reserved.
|
||||
*
|
||||
* Unless you and Broadcom execute a separate written software license
|
||||
* agreement governing use of this software, this software is licensed to you
|
||||
* under the terms of the GNU General Public License version 2, available at
|
||||
* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
|
||||
*
|
||||
* Notwithstanding the above, under no circumstances may you combine this
|
||||
* software in any way with any other Broadcom software provided under a
|
||||
* license other than the GPL, without Broadcom's express prior written
|
||||
* consent.
|
||||
*****************************************************************************/
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
* @file dmacHw_priv.h
|
||||
*
|
||||
* @brief Private Definitions for low level DMA driver
|
||||
*
|
||||
*/
|
||||
/****************************************************************************/
|
||||
|
||||
#ifndef _DMACHW_PRIV_H
|
||||
#define _DMACHW_PRIV_H
|
||||
|
||||
#include <csp/stdint.h>
|
||||
|
||||
/* Data type for DMA Link List Item */
|
||||
typedef struct {
|
||||
uint32_t sar; /* Source Adress Register.
|
||||
Address must be aligned to CTLx.SRC_TR_WIDTH. */
|
||||
uint32_t dar; /* Destination Address Register.
|
||||
Address must be aligned to CTLx.DST_TR_WIDTH. */
|
||||
uint32_t llpPhy; /* LLP contains the physical address of the next descriptor for block chaining using linked lists.
|
||||
Address MUST be aligned to a 32-bit boundary. */
|
||||
dmacHw_REG64_t ctl; /* Control Register. 64 bits */
|
||||
uint32_t sstat; /* Source Status Register */
|
||||
uint32_t dstat; /* Destination Status Register */
|
||||
uint32_t devCtl; /* Device specific control information */
|
||||
uint32_t llp; /* LLP contains the virtual address of the next descriptor for block chaining using linked lists. */
|
||||
} dmacHw_DESC_t;
|
||||
|
||||
/*
|
||||
* Descriptor ring pointers
|
||||
*/
|
||||
typedef struct {
|
||||
int num; /* Number of link items */
|
||||
dmacHw_DESC_t *pHead; /* Head of descriptor ring (for writing) */
|
||||
dmacHw_DESC_t *pTail; /* Tail of descriptor ring (for reading) */
|
||||
dmacHw_DESC_t *pProg; /* Descriptor to program the channel (for programming the channel register) */
|
||||
dmacHw_DESC_t *pEnd; /* End of current descriptor chain */
|
||||
dmacHw_DESC_t *pFree; /* Descriptor to free memory (freeing dynamic memory) */
|
||||
uint32_t virt2PhyOffset; /* Virtual to physical address offset for the descriptor ring */
|
||||
} dmacHw_DESC_RING_t;
|
||||
|
||||
/*
|
||||
* DMA channel control block
|
||||
*/
|
||||
typedef struct {
|
||||
uint32_t module; /* DMA controller module (0-1) */
|
||||
uint32_t channel; /* DMA channel (0-7) */
|
||||
volatile uint32_t varDataStarted; /* Flag indicating variable data channel is enabled */
|
||||
volatile uint32_t descUpdated; /* Flag to indicate descriptor update is complete */
|
||||
void *userData; /* Channel specifc user data */
|
||||
} dmacHw_CBLK_t;
|
||||
|
||||
#define dmacHw_ASSERT(a) if (!(a)) while (1)
|
||||
#define dmacHw_MAX_CHANNEL_COUNT 16
|
||||
#define dmacHw_FREE_USER_MEMORY 0xFFFFFFFF
|
||||
#define dmacHw_DESC_FREE dmacHw_REG_CTL_DONE
|
||||
#define dmacHw_DESC_INIT ((dmacHw_DESC_t *) 0xFFFFFFFF)
|
||||
#define dmacHw_MAX_BLOCKSIZE 4064
|
||||
#define dmacHw_GET_DESC_RING(addr) (dmacHw_DESC_RING_t *)(addr)
|
||||
#define dmacHw_ADDRESS_MASK(byte) ((byte) - 1)
|
||||
#define dmacHw_NEXT_DESC(rp, dp) ((rp)->dp = (dmacHw_DESC_t *)(rp)->dp->llp)
|
||||
#define dmacHw_HANDLE_TO_CBLK(handle) ((dmacHw_CBLK_t *) (handle))
|
||||
#define dmacHw_CBLK_TO_HANDLE(cblkp) ((dmacHw_HANDLE_t) (cblkp))
|
||||
#define dmacHw_DST_IS_MEMORY(tt) (((tt) == dmacHw_TRANSFER_TYPE_PERIPHERAL_TO_MEM) || ((tt) == dmacHw_TRANSFER_TYPE_MEM_TO_MEM)) ? 1 : 0
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
* @brief Get next available transaction width
|
||||
*
|
||||
*
|
||||
* @return On sucess : Next avail able transaction width
|
||||
* On failure : dmacHw_TRANSACTION_WIDTH_8
|
||||
*
|
||||
* @note
|
||||
* None
|
||||
*/
|
||||
/****************************************************************************/
|
||||
static inline dmacHw_TRANSACTION_WIDTH_e dmacHw_GetNextTrWidth(dmacHw_TRANSACTION_WIDTH_e tw /* [ IN ] Current transaction width */
|
||||
) {
|
||||
if (tw & dmacHw_REG_CTL_SRC_TR_WIDTH_MASK) {
|
||||
return ((tw >> dmacHw_REG_CTL_SRC_TR_WIDTH_SHIFT) -
|
||||
1) << dmacHw_REG_CTL_SRC_TR_WIDTH_SHIFT;
|
||||
} else if (tw & dmacHw_REG_CTL_DST_TR_WIDTH_MASK) {
|
||||
return ((tw >> dmacHw_REG_CTL_DST_TR_WIDTH_SHIFT) -
|
||||
1) << dmacHw_REG_CTL_DST_TR_WIDTH_SHIFT;
|
||||
}
|
||||
|
||||
/* Default return */
|
||||
return dmacHw_SRC_TRANSACTION_WIDTH_8;
|
||||
}
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
* @brief Get number of bytes per transaction
|
||||
*
|
||||
* @return Number of bytes per transaction
|
||||
*
|
||||
*
|
||||
* @note
|
||||
* None
|
||||
*/
|
||||
/****************************************************************************/
|
||||
static inline int dmacHw_GetTrWidthInBytes(dmacHw_TRANSACTION_WIDTH_e tw /* [ IN ] Transaction width */
|
||||
) {
|
||||
int width = 1;
|
||||
switch (tw) {
|
||||
case dmacHw_SRC_TRANSACTION_WIDTH_8:
|
||||
width = 1;
|
||||
break;
|
||||
case dmacHw_SRC_TRANSACTION_WIDTH_16:
|
||||
case dmacHw_DST_TRANSACTION_WIDTH_16:
|
||||
width = 2;
|
||||
break;
|
||||
case dmacHw_SRC_TRANSACTION_WIDTH_32:
|
||||
case dmacHw_DST_TRANSACTION_WIDTH_32:
|
||||
width = 4;
|
||||
break;
|
||||
case dmacHw_SRC_TRANSACTION_WIDTH_64:
|
||||
case dmacHw_DST_TRANSACTION_WIDTH_64:
|
||||
width = 8;
|
||||
break;
|
||||
default:
|
||||
dmacHw_ASSERT(0);
|
||||
}
|
||||
|
||||
/* Default transaction width */
|
||||
return width;
|
||||
}
|
||||
|
||||
#endif /* _DMACHW_PRIV_H */
|
||||
406
arch/arm/mach-bcmring/include/mach/csp/dmacHw_reg.h
Normal file
406
arch/arm/mach-bcmring/include/mach/csp/dmacHw_reg.h
Normal file
|
|
@ -0,0 +1,406 @@
|
|||
/*****************************************************************************
|
||||
* Copyright 2004 - 2008 Broadcom Corporation. All rights reserved.
|
||||
*
|
||||
* Unless you and Broadcom execute a separate written software license
|
||||
* agreement governing use of this software, this software is licensed to you
|
||||
* under the terms of the GNU General Public License version 2, available at
|
||||
* http://www.broadcom.com/licenses/GPLv2.php (the "GPL").
|
||||
*
|
||||
* Notwithstanding the above, under no circumstances may you combine this
|
||||
* software in any way with any other Broadcom software provided under a
|
||||
* license other than the GPL, without Broadcom's express prior written
|
||||
* consent.
|
||||
*****************************************************************************/
|
||||
|
||||
/****************************************************************************/
|
||||
/**
|
||||
* @file dmacHw_reg.h
|
||||
*
|
||||
* @brief Definitions for low level DMA registers
|
||||
*
|
||||
*/
|
||||
/****************************************************************************/
|
||||
|
||||
#ifndef _DMACHW_REG_H
|
||||
#define _DMACHW_REG_H
|
||||
|
||||
#include <csp/stdint.h>
|
||||
#include <mach/csp/mm_io.h>
|
||||
|
||||
/* Data type for 64 bit little endian register */
|
||||
typedef struct {
|
||||
volatile uint32_t lo; /* Lower 32 bit in little endian mode */
|
||||
volatile uint32_t hi; /* Upper 32 bit in little endian mode */
|
||||
} dmacHw_REG64_t;
|
||||
|
||||
/* Data type representing DMA channel registers */
|
||||
typedef struct {
|
||||
dmacHw_REG64_t ChannelSar; /* Source Adress Register. 64 bits (upper 32 bits are reserved)
|
||||
Address must be aligned to CTLx.SRC_TR_WIDTH.
|
||||
*/
|
||||
dmacHw_REG64_t ChannelDar; /* Destination Address Register.64 bits (upper 32 bits are reserved)
|
||||
Address must be aligned to CTLx.DST_TR_WIDTH.
|
||||
*/
|
||||
dmacHw_REG64_t ChannelLlp; /* Link List Pointer.64 bits (upper 32 bits are reserved)
|
||||
LLP contains the pointer to the next LLI for block chaining using linked lists.
|
||||
If LLPis set to 0x0, then transfers using linked lists are not enabled.
|
||||
Address MUST be aligned to a 32-bit boundary.
|
||||
*/
|
||||
dmacHw_REG64_t ChannelCtl; /* Control Register. 64 bits */
|
||||
dmacHw_REG64_t ChannelSstat; /* Source Status Register */
|
||||
dmacHw_REG64_t ChannelDstat; /* Destination Status Register */
|
||||
dmacHw_REG64_t ChannelSstatAddr; /* Source Status Address Register */
|
||||
dmacHw_REG64_t ChannelDstatAddr; /* Destination Status Address Register */
|
||||
dmacHw_REG64_t ChannelConfig; /* Channel Configuration Register */
|
||||
dmacHw_REG64_t SrcGather; /* Source gather register */
|
||||
dmacHw_REG64_t DstScatter; /* Destination scatter register */
|
||||
} dmacHw_CH_REG_t;
|
||||
|
||||
/* Data type for RAW interrupt status registers */
|
||||
typedef struct {
|
||||
dmacHw_REG64_t RawTfr; /* Raw Status for IntTfr Interrupt */
|
||||
dmacHw_REG64_t RawBlock; /* Raw Status for IntBlock Interrupt */
|
||||
dmacHw_REG64_t RawSrcTran; /* Raw Status for IntSrcTran Interrupt */
|
||||
dmacHw_REG64_t RawDstTran; /* Raw Status for IntDstTran Interrupt */
|
||||
dmacHw_REG64_t RawErr; /* Raw Status for IntErr Interrupt */
|
||||
} dmacHw_INT_RAW_t;
|
||||
|
||||
/* Data type for interrupt status registers */
|
||||
typedef struct {
|
||||
dmacHw_REG64_t StatusTfr; /* Status for IntTfr Interrupt */
|
||||
dmacHw_REG64_t StatusBlock; /* Status for IntBlock Interrupt */
|
||||
dmacHw_REG64_t StatusSrcTran; /* Status for IntSrcTran Interrupt */
|
||||
dmacHw_REG64_t StatusDstTran; /* Status for IntDstTran Interrupt */
|
||||
dmacHw_REG64_t StatusErr; /* Status for IntErr Interrupt */
|
||||
} dmacHw_INT_STATUS_t;
|
||||
|
||||
/* Data type for interrupt mask registers*/
|
||||
typedef struct {
|
||||
dmacHw_REG64_t MaskTfr; /* Mask for IntTfr Interrupt */
|
||||
dmacHw_REG64_t MaskBlock; /* Mask for IntBlock Interrupt */
|
||||
dmacHw_REG64_t MaskSrcTran; /* Mask for IntSrcTran Interrupt */
|
||||
dmacHw_REG64_t MaskDstTran; /* Mask for IntDstTran Interrupt */
|
||||
dmacHw_REG64_t MaskErr; /* Mask for IntErr Interrupt */
|
||||
} dmacHw_INT_MASK_t;
|
||||
|
||||
/* Data type for interrupt clear registers */
|
||||
typedef struct {
|
||||
dmacHw_REG64_t ClearTfr; /* Clear for IntTfr Interrupt */
|
||||
dmacHw_REG64_t ClearBlock; /* Clear for IntBlock Interrupt */
|
||||
dmacHw_REG64_t ClearSrcTran; /* Clear for IntSrcTran Interrupt */
|
||||
dmacHw_REG64_t ClearDstTran; /* Clear for IntDstTran Interrupt */
|
||||
dmacHw_REG64_t ClearErr; /* Clear for IntErr Interrupt */
|
||||
dmacHw_REG64_t StatusInt; /* Status for each interrupt type */
|
||||
} dmacHw_INT_CLEAR_t;
|
||||
|
||||
/* Data type for software handshaking registers */
|
||||
typedef struct {
|
||||
dmacHw_REG64_t ReqSrcReg; /* Source Software Transaction Request Register */
|
||||
dmacHw_REG64_t ReqDstReg; /* Destination Software Transaction Request Register */
|
||||
dmacHw_REG64_t SglReqSrcReg; /* Single Source Transaction Request Register */
|
||||
dmacHw_REG64_t SglReqDstReg; /* Single Destination Transaction Request Register */
|
||||
dmacHw_REG64_t LstSrcReg; /* Last Source Transaction Request Register */
|
||||
dmacHw_REG64_t LstDstReg; /* Last Destination Transaction Request Register */
|
||||
} dmacHw_SW_HANDSHAKE_t;
|
||||
|
||||
/* Data type for misc. registers */
|
||||
typedef struct {
|
||||
dmacHw_REG64_t DmaCfgReg; /* DMA Configuration Register */
|
||||
dmacHw_REG64_t ChEnReg; /* DMA Channel Enable Register */
|
||||
dmacHw_REG64_t DmaIdReg; /* DMA ID Register */
|
||||
dmacHw_REG64_t DmaTestReg; /* DMA Test Register */
|
||||
dmacHw_REG64_t Reserved0; /* Reserved */
|
||||
dmacHw_REG64_t Reserved1; /* Reserved */
|
||||
dmacHw_REG64_t CompParm6; /* Component Parameter 6 */
|
||||
dmacHw_REG64_t CompParm5; /* Component Parameter 5 */
|
||||
dmacHw_REG64_t CompParm4; /* Component Parameter 4 */
|
||||
dmacHw_REG64_t CompParm3; /* Component Parameter 3 */
|
||||
dmacHw_REG64_t CompParm2; /* Component Parameter 2 */
|
||||
dmacHw_REG64_t CompParm1; /* Component Parameter 1 */
|
||||
dmacHw_REG64_t CompId; /* Compoent ID */
|
||||
} dmacHw_MISC_t;
|
||||
|
||||
/* Base registers */
|
||||
#define dmacHw_0_MODULE_BASE_ADDR (char *) MM_IO_BASE_DMA0 /* DMAC 0 module's base address */
|
||||
#define dmacHw_1_MODULE_BASE_ADDR (char *) MM_IO_BASE_DMA1 /* DMAC 1 module's base address */
|
||||
|
||||
extern uint32_t dmaChannelCount_0;
|
||||
extern uint32_t dmaChannelCount_1;
|
||||
|
||||
/* Define channel specific registers */
|
||||
#define dmacHw_CHAN_BASE(module, chan) ((dmacHw_CH_REG_t *) ((char *)((module) ? dmacHw_1_MODULE_BASE_ADDR : dmacHw_0_MODULE_BASE_ADDR) + ((chan) * sizeof(dmacHw_CH_REG_t))))
|
||||
|
||||
/* Raw interrupt status registers */
|
||||
#define dmacHw_REG_INT_RAW_BASE(module) ((char *)dmacHw_CHAN_BASE((module), ((module) ? dmaChannelCount_1 : dmaChannelCount_0)))
|
||||
#define dmacHw_REG_INT_RAW_TRAN(module) (((dmacHw_INT_RAW_t *) dmacHw_REG_INT_RAW_BASE((module)))->RawTfr.lo)
|
||||
#define dmacHw_REG_INT_RAW_BLOCK(module) (((dmacHw_INT_RAW_t *) dmacHw_REG_INT_RAW_BASE((module)))->RawBlock.lo)
|
||||
#define dmacHw_REG_INT_RAW_STRAN(module) (((dmacHw_INT_RAW_t *) dmacHw_REG_INT_RAW_BASE((module)))->RawSrcTran.lo)
|
||||
#define dmacHw_REG_INT_RAW_DTRAN(module) (((dmacHw_INT_RAW_t *) dmacHw_REG_INT_RAW_BASE((module)))->RawDstTran.lo)
|
||||
#define dmacHw_REG_INT_RAW_ERROR(module) (((dmacHw_INT_RAW_t *) dmacHw_REG_INT_RAW_BASE((module)))->RawErr.lo)
|
||||
|
||||
/* Interrupt status registers */
|
||||
#define dmacHw_REG_INT_STAT_BASE(module) ((char *)(dmacHw_REG_INT_RAW_BASE((module)) + sizeof(dmacHw_INT_RAW_t)))
|
||||
#define dmacHw_REG_INT_STAT_TRAN(module) (((dmacHw_INT_STATUS_t *) dmacHw_REG_INT_STAT_BASE((module)))->StatusTfr.lo)
|
||||
#define dmacHw_REG_INT_STAT_BLOCK(module) (((dmacHw_INT_STATUS_t *) dmacHw_REG_INT_STAT_BASE((module)))->StatusBlock.lo)
|
||||
#define dmacHw_REG_INT_STAT_STRAN(module) (((dmacHw_INT_STATUS_t *) dmacHw_REG_INT_STAT_BASE((module)))->StatusSrcTran.lo)
|
||||
#define dmacHw_REG_INT_STAT_DTRAN(module) (((dmacHw_INT_STATUS_t *) dmacHw_REG_INT_STAT_BASE((module)))->StatusDstTran.lo)
|
||||
#define dmacHw_REG_INT_STAT_ERROR(module) (((dmacHw_INT_STATUS_t *) dmacHw_REG_INT_STAT_BASE((module)))->StatusErr.lo)
|
||||
|
||||
/* Interrupt status registers */
|
||||
#define dmacHw_REG_INT_MASK_BASE(module) ((char *)(dmacHw_REG_INT_STAT_BASE((module)) + sizeof(dmacHw_INT_STATUS_t)))
|
||||
#define dmacHw_REG_INT_MASK_TRAN(module) (((dmacHw_INT_MASK_t *) dmacHw_REG_INT_MASK_BASE((module)))->MaskTfr.lo)
|
||||
#define dmacHw_REG_INT_MASK_BLOCK(module) (((dmacHw_INT_MASK_t *) dmacHw_REG_INT_MASK_BASE((module)))->MaskBlock.lo)
|
||||
#define dmacHw_REG_INT_MASK_STRAN(module) (((dmacHw_INT_MASK_t *) dmacHw_REG_INT_MASK_BASE((module)))->MaskSrcTran.lo)
|
||||
#define dmacHw_REG_INT_MASK_DTRAN(module) (((dmacHw_INT_MASK_t *) dmacHw_REG_INT_MASK_BASE((module)))->MaskDstTran.lo)
|
||||
#define dmacHw_REG_INT_MASK_ERROR(module) (((dmacHw_INT_MASK_t *) dmacHw_REG_INT_MASK_BASE((module)))->MaskErr.lo)
|
||||
|
||||
/* Interrupt clear registers */
|
||||
#define dmacHw_REG_INT_CLEAR_BASE(module) ((char *)(dmacHw_REG_INT_MASK_BASE((module)) + sizeof(dmacHw_INT_MASK_t)))
|
||||
#define dmacHw_REG_INT_CLEAR_TRAN(module) (((dmacHw_INT_CLEAR_t *) dmacHw_REG_INT_CLEAR_BASE((module)))->ClearTfr.lo)
|
||||
#define dmacHw_REG_INT_CLEAR_BLOCK(module) (((dmacHw_INT_CLEAR_t *) dmacHw_REG_INT_CLEAR_BASE((module)))->ClearBlock.lo)
|
||||
#define dmacHw_REG_INT_CLEAR_STRAN(module) (((dmacHw_INT_CLEAR_t *) dmacHw_REG_INT_CLEAR_BASE((module)))->ClearSrcTran.lo)
|
||||
#define dmacHw_REG_INT_CLEAR_DTRAN(module) (((dmacHw_INT_CLEAR_t *) dmacHw_REG_INT_CLEAR_BASE((module)))->ClearDstTran.lo)
|
||||
#define dmacHw_REG_INT_CLEAR_ERROR(module) (((dmacHw_INT_CLEAR_t *) dmacHw_REG_INT_CLEAR_BASE((module)))->ClearErr.lo)
|
||||
#define dmacHw_REG_INT_STATUS(module) (((dmacHw_INT_CLEAR_t *) dmacHw_REG_INT_CLEAR_BASE((module)))->StatusInt.lo)
|
||||
|
||||
/* Software handshaking registers */
|
||||
#define dmacHw_REG_SW_HS_BASE(module) ((char *)(dmacHw_REG_INT_CLEAR_BASE((module)) + sizeof(dmacHw_INT_CLEAR_t)))
|
||||
#define dmacHw_REG_SW_HS_SRC_REQ(module) (((dmacHw_SW_HANDSHAKE_t *) dmacHw_REG_SW_HS_BASE((module)))->ReqSrcReg.lo)
|
||||
#define dmacHw_REG_SW_HS_DST_REQ(module) (((dmacHw_SW_HANDSHAKE_t *) dmacHw_REG_SW_HS_BASE((module)))->ReqDstReg.lo)
|
||||
#define dmacHw_REG_SW_HS_SRC_SGL_REQ(module) (((dmacHw_SW_HANDSHAKE_t *) dmacHw_REG_SW_HS_BASE((module)))->SglReqSrcReg.lo)
|
||||
#define dmacHw_REG_SW_HS_DST_SGL_REQ(module) (((dmacHw_SW_HANDSHAKE_t *) dmacHw_REG_SW_HS_BASE((module)))->SglReqDstReg.lo)
|
||||
#define dmacHw_REG_SW_HS_SRC_LST_REQ(module) (((dmacHw_SW_HANDSHAKE_t *) dmacHw_REG_SW_HS_BASE((module)))->LstSrcReg.lo)
|
||||
#define dmacHw_REG_SW_HS_DST_LST_REQ(module) (((dmacHw_SW_HANDSHAKE_t *) dmacHw_REG_SW_HS_BASE((module)))->LstDstReg.lo)
|
||||
|
||||
/* Miscellaneous registers */
|
||||
#define dmacHw_REG_MISC_BASE(module) ((char *)(dmacHw_REG_SW_HS_BASE((module)) + sizeof(dmacHw_SW_HANDSHAKE_t)))
|
||||
#define dmacHw_REG_MISC_CFG(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->DmaCfgReg.lo)
|
||||
#define dmacHw_REG_MISC_CH_ENABLE(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->ChEnReg.lo)
|
||||
#define dmacHw_REG_MISC_ID(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->DmaIdReg.lo)
|
||||
#define dmacHw_REG_MISC_TEST(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->DmaTestReg.lo)
|
||||
#define dmacHw_REG_MISC_COMP_PARAM1_LO(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm1.lo)
|
||||
#define dmacHw_REG_MISC_COMP_PARAM1_HI(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm1.hi)
|
||||
#define dmacHw_REG_MISC_COMP_PARAM2_LO(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm2.lo)
|
||||
#define dmacHw_REG_MISC_COMP_PARAM2_HI(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm2.hi)
|
||||
#define dmacHw_REG_MISC_COMP_PARAM3_LO(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm3.lo)
|
||||
#define dmacHw_REG_MISC_COMP_PARAM3_HI(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm3.hi)
|
||||
#define dmacHw_REG_MISC_COMP_PARAM4_LO(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm4.lo)
|
||||
#define dmacHw_REG_MISC_COMP_PARAM4_HI(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm4.hi)
|
||||
#define dmacHw_REG_MISC_COMP_PARAM5_LO(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm5.lo)
|
||||
#define dmacHw_REG_MISC_COMP_PARAM5_HI(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm5.hi)
|
||||
#define dmacHw_REG_MISC_COMP_PARAM6_LO(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm6.lo)
|
||||
#define dmacHw_REG_MISC_COMP_PARAM6_HI(module) (((dmacHw_MISC_t *) dmacHw_REG_MISC_BASE((module)))->CompParm6.hi)
|
||||
|
||||
/* Channel control registers */
|
||||
#define dmacHw_REG_SAR(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelSar.lo)
|
||||
#define dmacHw_REG_DAR(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelDar.lo)
|
||||
#define dmacHw_REG_LLP(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelLlp.lo)
|
||||
|
||||
#define dmacHw_REG_CTL_LO(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelCtl.lo)
|
||||
#define dmacHw_REG_CTL_HI(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelCtl.hi)
|
||||
|
||||
#define dmacHw_REG_SSTAT(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelSstat.lo)
|
||||
#define dmacHw_REG_DSTAT(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelDstat.lo)
|
||||
#define dmacHw_REG_SSTATAR(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelSstatAddr.lo)
|
||||
#define dmacHw_REG_DSTATAR(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelDstatAddr.lo)
|
||||
|
||||
#define dmacHw_REG_CFG_LO(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelConfig.lo)
|
||||
#define dmacHw_REG_CFG_HI(module, chan) (dmacHw_CHAN_BASE((module), (chan))->ChannelConfig.hi)
|
||||
|
||||
#define dmacHw_REG_SGR_LO(module, chan) (dmacHw_CHAN_BASE((module), (chan))->SrcGather.lo)
|
||||
#define dmacHw_REG_SGR_HI(module, chan) (dmacHw_CHAN_BASE((module), (chan))->SrcGather.hi)
|
||||
|
||||
#define dmacHw_REG_DSR_LO(module, chan) (dmacHw_CHAN_BASE((module), (chan))->DstScatter.lo)
|
||||
#define dmacHw_REG_DSR_HI(module, chan) (dmacHw_CHAN_BASE((module), (chan))->DstScatter.hi)
|
||||
|
||||
#define INT_STATUS_MASK(channel) (0x00000001 << (channel))
|
||||
#define CHANNEL_BUSY(mod, channel) (dmacHw_REG_MISC_CH_ENABLE((mod)) & (0x00000001 << (channel)))
|
||||
|
||||
/* Bit mask for REG_DMACx_CTL_LO */
|
||||
|
||||
#define dmacHw_REG_CTL_INT_EN 0x00000001 /* Channel interrupt enable */
|
||||
|
||||
#define dmacHw_REG_CTL_DST_TR_WIDTH_MASK 0x0000000E /* Destination transaction width mask */
|
||||
#define dmacHw_REG_CTL_DST_TR_WIDTH_SHIFT 1
|
||||
#define dmacHw_REG_CTL_DST_TR_WIDTH_8 0x00000000 /* Destination transaction width 8 bit */
|
||||
#define dmacHw_REG_CTL_DST_TR_WIDTH_16 0x00000002 /* Destination transaction width 16 bit */
|
||||
#define dmacHw_REG_CTL_DST_TR_WIDTH_32 0x00000004 /* Destination transaction width 32 bit */
|
||||
#define dmacHw_REG_CTL_DST_TR_WIDTH_64 0x00000006 /* Destination transaction width 64 bit */
|
||||
|
||||
#define dmacHw_REG_CTL_SRC_TR_WIDTH_MASK 0x00000070 /* Source transaction width mask */
|
||||
#define dmacHw_REG_CTL_SRC_TR_WIDTH_SHIFT 4
|
||||
#define dmacHw_REG_CTL_SRC_TR_WIDTH_8 0x00000000 /* Source transaction width 8 bit */
|
||||
#define dmacHw_REG_CTL_SRC_TR_WIDTH_16 0x00000010 /* Source transaction width 16 bit */
|
||||
#define dmacHw_REG_CTL_SRC_TR_WIDTH_32 0x00000020 /* Source transaction width 32 bit */
|
||||
#define dmacHw_REG_CTL_SRC_TR_WIDTH_64 0x00000030 /* Source transaction width 64 bit */
|
||||
|
||||
#define dmacHw_REG_CTL_DS_ENABLE 0x00040000 /* Destination scatter enable */
|
||||
#define dmacHw_REG_CTL_SG_ENABLE 0x00020000 /* Source gather enable */
|
||||
|
||||
#define dmacHw_REG_CTL_DINC_MASK 0x00000180 /* Destination address inc/dec mask */
|
||||
#define dmacHw_REG_CTL_DINC_INC 0x00000000 /* Destination address increment */
|
||||
#define dmacHw_REG_CTL_DINC_DEC 0x00000080 /* Destination address decrement */
|
||||
#define dmacHw_REG_CTL_DINC_NC 0x00000100 /* Destination address no change */
|
||||
|
||||
#define dmacHw_REG_CTL_SINC_MASK 0x00000600 /* Source address inc/dec mask */
|
||||
#define dmacHw_REG_CTL_SINC_INC 0x00000000 /* Source address increment */
|
||||
#define dmacHw_REG_CTL_SINC_DEC 0x00000200 /* Source address decrement */
|
||||
#define dmacHw_REG_CTL_SINC_NC 0x00000400 /* Source address no change */
|
||||
|
||||
#define dmacHw_REG_CTL_DST_MSIZE_MASK 0x00003800 /* Destination burst transaction length */
|
||||
#define dmacHw_REG_CTL_DST_MSIZE_0 0x00000000 /* No Destination burst */
|
||||
#define dmacHw_REG_CTL_DST_MSIZE_4 0x00000800 /* Destination burst transaction length 4 */
|
||||
#define dmacHw_REG_CTL_DST_MSIZE_8 0x00001000 /* Destination burst transaction length 8 */
|
||||
#define dmacHw_REG_CTL_DST_MSIZE_16 0x00001800 /* Destination burst transaction length 16 */
|
||||
|
||||
#define dmacHw_REG_CTL_SRC_MSIZE_MASK 0x0001C000 /* Source burst transaction length */
|
||||
#define dmacHw_REG_CTL_SRC_MSIZE_0 0x00000000 /* No Source burst */
|
||||
#define dmacHw_REG_CTL_SRC_MSIZE_4 0x00004000 /* Source burst transaction length 4 */
|
||||
#define dmacHw_REG_CTL_SRC_MSIZE_8 0x00008000 /* Source burst transaction length 8 */
|
||||
#define dmacHw_REG_CTL_SRC_MSIZE_16 0x0000C000 /* Source burst transaction length 16 */
|
||||
|
||||
#define dmacHw_REG_CTL_TTFC_MASK 0x00700000 /* Transfer type and flow controller */
|
||||
#define dmacHw_REG_CTL_TTFC_MM_DMAC 0x00000000 /* Memory to Memory with DMAC as flow controller */
|
||||
#define dmacHw_REG_CTL_TTFC_MP_DMAC 0x00100000 /* Memory to Peripheral with DMAC as flow controller */
|
||||
#define dmacHw_REG_CTL_TTFC_PM_DMAC 0x00200000 /* Peripheral to Memory with DMAC as flow controller */
|
||||
#define dmacHw_REG_CTL_TTFC_PP_DMAC 0x00300000 /* Peripheral to Peripheral with DMAC as flow controller */
|
||||
#define dmacHw_REG_CTL_TTFC_PM_PERI 0x00400000 /* Peripheral to Memory with Peripheral as flow controller */
|
||||
#define dmacHw_REG_CTL_TTFC_PP_SPERI 0x00500000 /* Peripheral to Peripheral with Source Peripheral as flow controller */
|
||||
#define dmacHw_REG_CTL_TTFC_MP_PERI 0x00600000 /* Memory to Peripheral with Peripheral as flow controller */
|
||||
#define dmacHw_REG_CTL_TTFC_PP_DPERI 0x00700000 /* Peripheral to Peripheral with Destination Peripheral as flow controller */
|
||||
|
||||
#define dmacHw_REG_CTL_DMS_MASK 0x01800000 /* Destination AHB master interface */
|
||||
#define dmacHw_REG_CTL_DMS_1 0x00000000 /* Destination AHB master interface 1 */
|
||||
#define dmacHw_REG_CTL_DMS_2 0x00800000 /* Destination AHB master interface 2 */
|
||||
|
||||
#define dmacHw_REG_CTL_SMS_MASK 0x06000000 /* Source AHB master interface */
|
||||
#define dmacHw_REG_CTL_SMS_1 0x00000000 /* Source AHB master interface 1 */
|
||||
#define dmacHw_REG_CTL_SMS_2 0x02000000 /* Source AHB master interface 2 */
|
||||
|
||||
#define dmacHw_REG_CTL_LLP_DST_EN 0x08000000 /* Block chaining enable for destination side */
|
||||
#define dmacHw_REG_CTL_LLP_SRC_EN 0x10000000 /* Block chaining enable for source side */
|
||||
|
||||
/* Bit mask for REG_DMACx_CTL_HI */
|
||||
#define dmacHw_REG_CTL_BLOCK_TS_MASK 0x00000FFF /* Block transfer size */
|
||||
#define dmacHw_REG_CTL_DONE 0x00001000 /* Block trasnfer done */
|
||||
|
||||
/* Bit mask for REG_DMACx_CFG_LO */
|
||||
#define dmacHw_REG_CFG_LO_CH_PRIORITY_SHIFT 5 /* Channel priority shift */
|
||||
#define dmacHw_REG_CFG_LO_CH_PRIORITY_MASK 0x000000E0 /* Channel priority mask */
|
||||
#define dmacHw_REG_CFG_LO_CH_PRIORITY_0 0x00000000 /* Channel priority 0 */
|
||||
#define dmacHw_REG_CFG_LO_CH_PRIORITY_1 0x00000020 /* Channel priority 1 */
|
||||
#define dmacHw_REG_CFG_LO_CH_PRIORITY_2 0x00000040 /* Channel priority 2 */
|
||||
#define dmacHw_REG_CFG_LO_CH_PRIORITY_3 0x00000060 /* Channel priority 3 */
|
||||
#define dmacHw_REG_CFG_LO_CH_PRIORITY_4 0x00000080 /* Channel priority 4 */
|
||||
#define dmacHw_REG_CFG_LO_CH_PRIORITY_5 0x000000A0 /* Channel priority 5 */
|
||||
#define dmacHw_REG_CFG_LO_CH_PRIORITY_6 0x000000C0 /* Channel priority 6 */
|
||||
#define dmacHw_REG_CFG_LO_CH_PRIORITY_7 0x000000E0 /* Channel priority 7 */
|
||||
|
||||
#define dmacHw_REG_CFG_LO_CH_SUSPEND 0x00000100 /* Channel suspend */
|
||||
#define dmacHw_REG_CFG_LO_CH_FIFO_EMPTY 0x00000200 /* Channel FIFO empty */
|
||||
#define dmacHw_REG_CFG_LO_DST_CH_SW_HS 0x00000400 /* Destination channel SW handshaking */
|
||||
#define dmacHw_REG_CFG_LO_SRC_CH_SW_HS 0x00000800 /* Source channel SW handshaking */
|
||||
|
||||
#define dmacHw_REG_CFG_LO_CH_LOCK_MASK 0x00003000 /* Channel locking mask */
|
||||
#define dmacHw_REG_CFG_LO_CH_LOCK_DMA 0x00000000 /* Channel lock over the entire DMA transfer operation */
|
||||
#define dmacHw_REG_CFG_LO_CH_LOCK_BLOCK 0x00001000 /* Channel lock over the block transfer operation */
|
||||
#define dmacHw_REG_CFG_LO_CH_LOCK_TRANS 0x00002000 /* Channel lock over the transaction */
|
||||
#define dmacHw_REG_CFG_LO_CH_LOCK_ENABLE 0x00010000 /* Channel lock enable */
|
||||
|
||||
#define dmacHw_REG_CFG_LO_BUS_LOCK_MASK 0x0000C000 /* Bus locking mask */
|
||||
#define dmacHw_REG_CFG_LO_BUS_LOCK_DMA 0x00000000 /* Bus lock over the entire DMA transfer operation */
|
||||
#define dmacHw_REG_CFG_LO_BUS_LOCK_BLOCK 0x00004000 /* Bus lock over the block transfer operation */
|
||||
#define dmacHw_REG_CFG_LO_BUS_LOCK_TRANS 0x00008000 /* Bus lock over the transaction */
|
||||
#define dmacHw_REG_CFG_LO_BUS_LOCK_ENABLE 0x00020000 /* Bus lock enable */
|
||||
|
||||
#define dmacHw_REG_CFG_LO_DST_HS_POLARITY_LOW 0x00040000 /* Destination channel handshaking signal polarity low */
|
||||
#define dmacHw_REG_CFG_LO_SRC_HS_POLARITY_LOW 0x00080000 /* Source channel handshaking signal polarity low */
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#define dmacHw_REG_CFG_LO_MAX_AMBA_BURST_LEN_MASK 0x3FF00000 /* Maximum AMBA burst length */
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#define dmacHw_REG_CFG_LO_AUTO_RELOAD_SRC 0x40000000 /* Source address auto reload */
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#define dmacHw_REG_CFG_LO_AUTO_RELOAD_DST 0x80000000 /* Destination address auto reload */
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/* Bit mask for REG_DMACx_CFG_HI */
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#define dmacHw_REG_CFG_HI_FC_DST_READY 0x00000001 /* Source transaction request is serviced when destination is ready */
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#define dmacHw_REG_CFG_HI_FIFO_ENOUGH 0x00000002 /* Initiate burst transaction when enough data in available in FIFO */
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#define dmacHw_REG_CFG_HI_AHB_HPROT_MASK 0x0000001C /* AHB protection mask */
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#define dmacHw_REG_CFG_HI_AHB_HPROT_1 0x00000004 /* AHB protection 1 */
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#define dmacHw_REG_CFG_HI_AHB_HPROT_2 0x00000008 /* AHB protection 2 */
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#define dmacHw_REG_CFG_HI_AHB_HPROT_3 0x00000010 /* AHB protection 3 */
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#define dmacHw_REG_CFG_HI_UPDATE_DST_STAT 0x00000020 /* Destination status update enable */
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#define dmacHw_REG_CFG_HI_UPDATE_SRC_STAT 0x00000040 /* Source status update enable */
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#define dmacHw_REG_CFG_HI_SRC_PERI_INTF_MASK 0x00000780 /* Source peripheral hardware interface mask */
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#define dmacHw_REG_CFG_HI_DST_PERI_INTF_MASK 0x00007800 /* Destination peripheral hardware interface mask */
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/* DMA Configuration Parameters */
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#define dmacHw_REG_COMP_PARAM_NUM_CHANNELS 0x00000700 /* Number of channels */
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#define dmacHw_REG_COMP_PARAM_NUM_INTERFACE 0x00001800 /* Number of master interface */
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#define dmacHw_REG_COMP_PARAM_MAX_BLK_SIZE 0x0000000f /* Maximum brust size */
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#define dmacHw_REG_COMP_PARAM_DATA_WIDTH 0x00006000 /* Data transfer width */
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/* Define GET/SET macros to program the registers */
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#define dmacHw_SET_SAR(module, channel, addr) (dmacHw_REG_SAR((module), (channel)) = (uint32_t) (addr))
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#define dmacHw_SET_DAR(module, channel, addr) (dmacHw_REG_DAR((module), (channel)) = (uint32_t) (addr))
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#define dmacHw_SET_LLP(module, channel, ptr) (dmacHw_REG_LLP((module), (channel)) = (uint32_t) (ptr))
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#define dmacHw_GET_SSTAT(module, channel) (dmacHw_REG_SSTAT((module), (channel)))
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#define dmacHw_GET_DSTAT(module, channel) (dmacHw_REG_DSTAT((module), (channel)))
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#define dmacHw_SET_SSTATAR(module, channel, addr) (dmacHw_REG_SSTATAR((module), (channel)) = (uint32_t) (addr))
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#define dmacHw_SET_DSTATAR(module, channel, addr) (dmacHw_REG_DSTATAR((module), (channel)) = (uint32_t) (addr))
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#define dmacHw_SET_CONTROL_LO(module, channel, ctl) (dmacHw_REG_CTL_LO((module), (channel)) |= (ctl))
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#define dmacHw_RESET_CONTROL_LO(module, channel) (dmacHw_REG_CTL_LO((module), (channel)) = 0)
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||||
#define dmacHw_GET_CONTROL_LO(module, channel) (dmacHw_REG_CTL_LO((module), (channel)))
|
||||
|
||||
#define dmacHw_SET_CONTROL_HI(module, channel, ctl) (dmacHw_REG_CTL_HI((module), (channel)) |= (ctl))
|
||||
#define dmacHw_RESET_CONTROL_HI(module, channel) (dmacHw_REG_CTL_HI((module), (channel)) = 0)
|
||||
#define dmacHw_GET_CONTROL_HI(module, channel) (dmacHw_REG_CTL_HI((module), (channel)))
|
||||
|
||||
#define dmacHw_GET_BLOCK_SIZE(module, channel) (dmacHw_REG_CTL_HI((module), (channel)) & dmacHw_REG_CTL_BLOCK_TS_MASK)
|
||||
#define dmacHw_DMA_COMPLETE(module, channel) (dmacHw_REG_CTL_HI((module), (channel)) & dmacHw_REG_CTL_DONE)
|
||||
|
||||
#define dmacHw_SET_CONFIG_LO(module, channel, cfg) (dmacHw_REG_CFG_LO((module), (channel)) |= (cfg))
|
||||
#define dmacHw_RESET_CONFIG_LO(module, channel) (dmacHw_REG_CFG_LO((module), (channel)) = 0)
|
||||
#define dmacHw_GET_CONFIG_LO(module, channel) (dmacHw_REG_CFG_LO((module), (channel)))
|
||||
#define dmacHw_SET_AMBA_BUSRT_LEN(module, channel, len) (dmacHw_REG_CFG_LO((module), (channel)) = (dmacHw_REG_CFG_LO((module), (channel)) & ~(dmacHw_REG_CFG_LO_MAX_AMBA_BURST_LEN_MASK)) | (((len) << 20) & dmacHw_REG_CFG_LO_MAX_AMBA_BURST_LEN_MASK))
|
||||
#define dmacHw_SET_CHANNEL_PRIORITY(module, channel, prio) (dmacHw_REG_CFG_LO((module), (channel)) = (dmacHw_REG_CFG_LO((module), (channel)) & ~(dmacHw_REG_CFG_LO_CH_PRIORITY_MASK)) | (prio))
|
||||
#define dmacHw_SET_AHB_HPROT(module, channel, protect) (dmacHw_REG_CFG_HI(module, channel) = (dmacHw_REG_CFG_HI((module), (channel)) & ~(dmacHw_REG_CFG_HI_AHB_HPROT_MASK)) | (protect))
|
||||
|
||||
#define dmacHw_SET_CONFIG_HI(module, channel, cfg) (dmacHw_REG_CFG_HI((module), (channel)) |= (cfg))
|
||||
#define dmacHw_RESET_CONFIG_HI(module, channel) (dmacHw_REG_CFG_HI((module), (channel)) = 0)
|
||||
#define dmacHw_GET_CONFIG_HI(module, channel) (dmacHw_REG_CFG_HI((module), (channel)))
|
||||
#define dmacHw_SET_SRC_PERI_INTF(module, channel, intf) (dmacHw_REG_CFG_HI((module), (channel)) = (dmacHw_REG_CFG_HI((module), (channel)) & ~(dmacHw_REG_CFG_HI_SRC_PERI_INTF_MASK)) | (((intf) << 7) & dmacHw_REG_CFG_HI_SRC_PERI_INTF_MASK))
|
||||
#define dmacHw_SRC_PERI_INTF(intf) (((intf) << 7) & dmacHw_REG_CFG_HI_SRC_PERI_INTF_MASK)
|
||||
#define dmacHw_SET_DST_PERI_INTF(module, channel, intf) (dmacHw_REG_CFG_HI((module), (channel)) = (dmacHw_REG_CFG_HI((module), (channel)) & ~(dmacHw_REG_CFG_HI_DST_PERI_INTF_MASK)) | (((intf) << 11) & dmacHw_REG_CFG_HI_DST_PERI_INTF_MASK))
|
||||
#define dmacHw_DST_PERI_INTF(intf) (((intf) << 11) & dmacHw_REG_CFG_HI_DST_PERI_INTF_MASK)
|
||||
|
||||
#define dmacHw_DMA_START(module, channel) (dmacHw_REG_MISC_CH_ENABLE((module)) = (0x00000001 << ((channel) + 8)) | (0x00000001 << (channel)))
|
||||
#define dmacHw_DMA_STOP(module, channel) (dmacHw_REG_MISC_CH_ENABLE((module)) = (0x00000001 << ((channel) + 8)))
|
||||
#define dmacHw_DMA_ENABLE(module) (dmacHw_REG_MISC_CFG((module)) = 1)
|
||||
#define dmacHw_DMA_DISABLE(module) (dmacHw_REG_MISC_CFG((module)) = 0)
|
||||
|
||||
#define dmacHw_TRAN_INT_ENABLE(module, channel) (dmacHw_REG_INT_MASK_TRAN((module)) = (0x00000001 << ((channel) + 8)) | (0x00000001 << (channel)))
|
||||
#define dmacHw_BLOCK_INT_ENABLE(module, channel) (dmacHw_REG_INT_MASK_BLOCK((module)) = (0x00000001 << ((channel) + 8)) | (0x00000001 << (channel)))
|
||||
#define dmacHw_ERROR_INT_ENABLE(module, channel) (dmacHw_REG_INT_MASK_ERROR((module)) = (0x00000001 << ((channel) + 8)) | (0x00000001 << (channel)))
|
||||
|
||||
#define dmacHw_TRAN_INT_DISABLE(module, channel) (dmacHw_REG_INT_MASK_TRAN((module)) = (0x00000001 << ((channel) + 8)))
|
||||
#define dmacHw_BLOCK_INT_DISABLE(module, channel) (dmacHw_REG_INT_MASK_BLOCK((module)) = (0x00000001 << ((channel) + 8)))
|
||||
#define dmacHw_ERROR_INT_DISABLE(module, channel) (dmacHw_REG_INT_MASK_ERROR((module)) = (0x00000001 << ((channel) + 8)))
|
||||
#define dmacHw_STRAN_INT_DISABLE(module, channel) (dmacHw_REG_INT_MASK_STRAN((module)) = (0x00000001 << ((channel) + 8)))
|
||||
#define dmacHw_DTRAN_INT_DISABLE(module, channel) (dmacHw_REG_INT_MASK_DTRAN((module)) = (0x00000001 << ((channel) + 8)))
|
||||
|
||||
#define dmacHw_TRAN_INT_CLEAR(module, channel) (dmacHw_REG_INT_CLEAR_TRAN((module)) = (0x00000001 << (channel)))
|
||||
#define dmacHw_BLOCK_INT_CLEAR(module, channel) (dmacHw_REG_INT_CLEAR_BLOCK((module)) = (0x00000001 << (channel)))
|
||||
#define dmacHw_ERROR_INT_CLEAR(module, channel) (dmacHw_REG_INT_CLEAR_ERROR((module)) = (0x00000001 << (channel)))
|
||||
|
||||
#define dmacHw_GET_NUM_CHANNEL(module) (((dmacHw_REG_MISC_COMP_PARAM1_HI((module)) & dmacHw_REG_COMP_PARAM_NUM_CHANNELS) >> 8) + 1)
|
||||
#define dmacHw_GET_NUM_INTERFACE(module) (((dmacHw_REG_MISC_COMP_PARAM1_HI((module)) & dmacHw_REG_COMP_PARAM_NUM_INTERFACE) >> 11) + 1)
|
||||
#define dmacHw_GET_MAX_BLOCK_SIZE(module, channel) ((dmacHw_REG_MISC_COMP_PARAM1_LO((module)) >> (4 * (channel))) & dmacHw_REG_COMP_PARAM_MAX_BLK_SIZE)
|
||||
#define dmacHw_GET_CHANNEL_DATA_WIDTH(module, channel) ((dmacHw_REG_MISC_COMP_PARAM1_HI((module)) & dmacHw_REG_COMP_PARAM_DATA_WIDTH) >> 13)
|
||||
|
||||
#endif /* _DMACHW_REG_H */
|
||||
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Reference in a new issue