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136 lines
6.7 KiB
C
136 lines
6.7 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2011
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* Ben Gray <ben.r.gray@gmail.com>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef __TI_SDMAREG_H__
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#define __TI_SDMAREG_H__
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/**
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* The number of DMA channels possible on the controller.
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*/
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#define NUM_DMA_CHANNELS 32
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#define NUM_DMA_IRQS 4
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/**
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* Register offsets
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*/
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#define DMA4_REVISION 0x0000
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#define DMA4_IRQSTATUS_L(j) (0x0008 + ((j) * 0x4))
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#define DMA4_IRQENABLE_L(j) (0x0018 + ((j) * 0x4))
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#define DMA4_SYSSTATUS 0x0028
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#define DMA4_OCP_SYSCONFIG 0x002C
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#define DMA4_CAPS_0 0x0064
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#define DMA4_CAPS_2 0x006C
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#define DMA4_CAPS_3 0x0070
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#define DMA4_CAPS_4 0x0074
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#define DMA4_GCR 0x0078
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#define DMA4_CCR(i) (0x0080 + ((i) * 0x60))
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#define DMA4_CLNK_CTRL(i) (0x0084 + ((i) * 0x60))
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#define DMA4_CICR(i) (0x0088 + ((i) * 0x60))
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#define DMA4_CSR(i) (0x008C + ((i) * 0x60))
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#define DMA4_CSDP(i) (0x0090 + ((i) * 0x60))
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#define DMA4_CEN(i) (0x0094 + ((i) * 0x60))
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#define DMA4_CFN(i) (0x0098 + ((i) * 0x60))
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#define DMA4_CSSA(i) (0x009C + ((i) * 0x60))
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#define DMA4_CDSA(i) (0x00A0 + ((i) * 0x60))
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#define DMA4_CSE(i) (0x00A4 + ((i) * 0x60))
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#define DMA4_CSF(i) (0x00A8 + ((i) * 0x60))
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#define DMA4_CDE(i) (0x00AC + ((i) * 0x60))
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#define DMA4_CDF(i) (0x00B0 + ((i) * 0x60))
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#define DMA4_CSAC(i) (0x00B4 + ((i) * 0x60))
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#define DMA4_CDAC(i) (0x00B8 + ((i) * 0x60))
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#define DMA4_CCEN(i) (0x00BC + ((i) * 0x60))
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#define DMA4_CCFN(i) (0x00C0 + ((i) * 0x60))
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#define DMA4_COLOR(i) (0x00C4 + ((i) * 0x60))
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/* The following register are only defined on OMAP44xx (and newer?) */
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#define DMA4_CDP(i) (0x00D0 + ((i) * 0x60))
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#define DMA4_CNDP(i) (0x00D4 + ((i) * 0x60))
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#define DMA4_CCDN(i) (0x00D8 + ((i) * 0x60))
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/**
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* Various register field settings
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*/
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#define DMA4_CSDP_DATA_TYPE(x) (((x) & 0x3) << 0)
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#define DMA4_CSDP_SRC_BURST_MODE(x) (((x) & 0x3) << 7)
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#define DMA4_CSDP_DST_BURST_MODE(x) (((x) & 0x3) << 14)
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#define DMA4_CSDP_SRC_ENDIANISM(x) (((x) & 0x1) << 21)
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#define DMA4_CSDP_DST_ENDIANISM(x) (((x) & 0x1) << 19)
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#define DMA4_CSDP_WRITE_MODE(x) (((x) & 0x3) << 16)
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#define DMA4_CSDP_SRC_PACKED(x) (((x) & 0x1) << 6)
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#define DMA4_CSDP_DST_PACKED(x) (((x) & 0x1) << 13)
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#define DMA4_CCR_DST_ADDRESS_MODE(x) (((x) & 0x3) << 14)
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#define DMA4_CCR_SRC_ADDRESS_MODE(x) (((x) & 0x3) << 12)
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#define DMA4_CCR_READ_PRIORITY(x) (((x) & 0x1) << 6)
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#define DMA4_CCR_WRITE_PRIORITY(x) (((x) & 0x1) << 26)
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#define DMA4_CCR_SYNC_TRIGGER(x) ((((x) & 0x60) << 14) \
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| ((x) & 0x1f))
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#define DMA4_CCR_FRAME_SYNC(x) (((x) & 0x1) << 5)
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#define DMA4_CCR_BLOCK_SYNC(x) (((x) & 0x1) << 18)
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#define DMA4_CCR_SEL_SRC_DST_SYNC(x) (((x) & 0x1) << 24)
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#define DMA4_CCR_PACKET_TRANS (DMA4_CCR_FRAME_SYNC(1) | \
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DMA4_CCR_BLOCK_SYNC(1) )
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#define DMA4_CSR_DROP (1UL << 1)
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#define DMA4_CSR_HALF (1UL << 2)
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#define DMA4_CSR_FRAME (1UL << 3)
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#define DMA4_CSR_LAST (1UL << 4)
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#define DMA4_CSR_BLOCK (1UL << 5)
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#define DMA4_CSR_SYNC (1UL << 6)
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#define DMA4_CSR_PKT (1UL << 7)
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#define DMA4_CSR_TRANS_ERR (1UL << 8)
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#define DMA4_CSR_SECURE_ERR (1UL << 9)
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#define DMA4_CSR_SUPERVISOR_ERR (1UL << 10)
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#define DMA4_CSR_MISALIGNED_ADRS_ERR (1UL << 11)
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#define DMA4_CSR_DRAIN_END (1UL << 12)
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#define DMA4_CSR_CLEAR_MASK (0xffe)
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#define DMA4_CICR_DROP_IE (1UL << 1)
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#define DMA4_CICR_HALF_IE (1UL << 2)
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#define DMA4_CICR_FRAME_IE (1UL << 3)
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#define DMA4_CICR_LAST_IE (1UL << 4)
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#define DMA4_CICR_BLOCK_IE (1UL << 5)
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#define DMA4_CICR_PKT_IE (1UL << 7)
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#define DMA4_CICR_TRANS_ERR_IE (1UL << 8)
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#define DMA4_CICR_SECURE_ERR_IE (1UL << 9)
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#define DMA4_CICR_SUPERVISOR_ERR_IE (1UL << 10)
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#define DMA4_CICR_MISALIGNED_ADRS_ERR_IE (1UL << 11)
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#define DMA4_CICR_DRAIN_IE (1UL << 12)
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/**
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* The following H/W revision values were found be experimentation, TI don't
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* publish the revision numbers. The TRM says "TI internal Data".
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*/
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#define DMA4_OMAP3_REV 0x00000040
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#define DMA4_OMAP4_REV 0x00010900
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#endif /* __TI_SDMAREG_H__ */
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