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