freebsd-dev/sys/arm/allwinner/a10_dmac.h
Andrew Turner 501ce0d86b Add support for the Allwinner DMA controller. This will be used by the at
least the audio codec driver currently in review.

Submitted by:	Jared McNeill <jmcneill@invisible.ca>
Differential Revision:	https://reviews.freebsd.org/D5050
2016-02-15 19:56:35 +00:00

159 lines
6.8 KiB
C

/*-
* Copyright (c) 2014-2016 Jared D. McNeill <jmcneill@invisible.ca>
* 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 THE AUTHOR ``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 THE AUTHOR 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 _A10_DMAC_H_
#define _A10_DMAC_H_
#define AWIN_DMA_IRQ_EN_REG 0x0000
#define AWIN_DMA_IRQ_PEND_STA_REG 0x0004
#define AWIN_NDMA_AUTO_GATE_REG 0x0008
#define AWIN_NDMA_REG(n) (0x100+0x20*(n))
#define AWIN_NDMA_CTL_REG 0x0000
#define AWIN_NDMA_SRC_ADDR_REG 0x0004
#define AWIN_NDMA_DEST_ADDR_REG 0x0008
#define AWIN_NDMA_BC_REG 0x000c
#define AWIN_DDMA_REG(n) (0x300+0x20*(n))
#define AWIN_DDMA_CTL_REG 0x0000
#define AWIN_DDMA_SRC_START_ADDR_REG 0x0004
#define AWIN_DDMA_DEST_START_ADDR_REG 0x0008
#define AWIN_DDMA_BC_REG 0x000c
#define AWIN_DDMA_PARA_REG 0x0018
#define AWIN_DMA_IRQ_END_MASK 0xaaaaaaaa
#define AWIN_DMA_IRQ_HF_MASK 0x55555555
#define AWIN_DMA_IRQ_DDMA 0xffff0000
#define AWIN_DMA_IRQ_DDMA_END(n) (1U << (17+2*(n)))
#define AWIN_DMA_IRQ_DDMA_HF(n) (1U << (16+2*(n)))
#define AWIN_DMA_IRQ_NDMA 0x0000ffff
#define AWIN_DMA_IRQ_NDMA_END(n) (1U << (1+2*(n)))
#define AWIN_DMA_IRQ_NDMA_HF(n) (1U << (0+2*(n)))
#define AWIN_NDMA_AUTO_GATING_DIS (1U << 16)
#define AWIN_DMA_CTL_DST_DATA_WIDTH_SHIFT 25
#define AWIN_DMA_CTL_DST_DATA_WIDTH_MASK (3U << AWIN_DMA_CTL_DST_DATA_WIDTH_SHIFT)
#define AWIN_DMA_CTL_DATA_WIDTH_8 0
#define AWIN_DMA_CTL_DATA_WIDTH_16 1
#define AWIN_DMA_CTL_DATA_WIDTH_32 2
#define AWIN_DMA_CTL_DST_BURST_LEN_SHIFT 23
#define AWIN_DMA_CTL_DST_BURST_LEN_MASK (3 << AWIN_DMA_CTL_DST_BURST_LEN_SHIFT)
#define AWIN_DMA_CTL_BURST_LEN_1 0
#define AWIN_DMA_CTL_BURST_LEN_4 1
#define AWIN_DMA_CTL_BURST_LEN_8 2
#define AWIN_DMA_CTL_DST_DRQ_TYPE_SHIFT 16
#define AWIN_DMA_CTL_DST_DRQ_TYPE_MASK (0x1f << AWIN_DMA_CTL_DST_DRQ_TYPE_SHIFT)
#define AWIN_DMA_CTL_BC_REMAINING (1U << 15)
#define AWIN_DMA_CTL_SRC_DATA_WIDTH_SHIFT 9
#define AWIN_DMA_CTL_SRC_DATA_WIDTH_MASK (3U << AWIN_DMA_CTL_SRC_DATA_WIDTH_SHIFT)
#define AWIN_DMA_CTL_SRC_BURST_LEN_SHIFT 7
#define AWIN_DMA_CTL_SRC_BURST_LEN_MASK (3U << AWIN_DMA_CTL_SRC_BURST_LEN_SHIFT)
#define AWIN_DMA_CTL_SRC_DRQ_TYPE_SHIFT 0
#define AWIN_DMA_CTL_SRC_DRQ_TYPE_MASK (0x1f << AWIN_DMA_CTL_SRC_DRQ_TYPE_SHIFT)
#define AWIN_NDMA_CTL_DMA_LOADING (1U << 31)
#define AWIN_NDMA_CTL_DMA_CONTIN_MODE (1U << 30)
#define AWIN_NDMA_CTL_WAIT_STATE_LOG2_SHIFT 27
#define AWIN_NDMA_CTL_WAIT_STATE_LOG2_MASK (7U << AWIN_NDMA_CTL_WAIT_STATE_LOG2_SHIFT)
#define AWIN_NDMA_CTL_DST_NON_SECURE (1U << 22)
#define AWIN_NDMA_CTL_DST_ADDR_NOINCR (1U << 21)
#define AWIN_NDMA_CTL_DRQ_IRO 0
#define AWIN_NDMA_CTL_DRQ_IR1 1
#define AWIN_NDMA_CTL_DRQ_SPDIF 2
#define AWIN_NDMA_CTL_DRQ_IISO 3
#define AWIN_NDMA_CTL_DRQ_IIS1 4
#define AWIN_NDMA_CTL_DRQ_AC97 5
#define AWIN_NDMA_CTL_DRQ_IIS2 6
#define AWIN_NDMA_CTL_DRQ_UARTO 8
#define AWIN_NDMA_CTL_DRQ_UART1 9
#define AWIN_NDMA_CTL_DRQ_UART2 10
#define AWIN_NDMA_CTL_DRQ_UART3 11
#define AWIN_NDMA_CTL_DRQ_UART4 12
#define AWIN_NDMA_CTL_DRQ_UART5 13
#define AWIN_NDMA_CTL_DRQ_UART6 14
#define AWIN_NDMA_CTL_DRQ_UART7 15
#define AWIN_NDMA_CTL_DRQ_DDC 16
#define AWIN_NDMA_CTL_DRQ_USB_EP1 17
#define AWIN_NDMA_CTL_DRQ_CODEC 19
#define AWIN_NDMA_CTL_DRQ_SRAM 21
#define AWIN_NDMA_CTL_DRQ_SDRAM 22
#define AWIN_NDMA_CTL_DRQ_TP_AD 23
#define AWIN_NDMA_CTL_DRQ_SPI0 24
#define AWIN_NDMA_CTL_DRQ_SPI1 25
#define AWIN_NDMA_CTL_DRQ_SPI2 26
#define AWIN_NDMA_CTL_DRQ_SPI3 27
#define AWIN_NDMA_CTL_DRQ_USB_EP2 28
#define AWIN_NDMA_CTL_DRQ_USB_EP3 29
#define AWIN_NDMA_CTL_DRQ_USB_EP4 30
#define AWIN_NDMA_CTL_DRQ_USB_EP5 31
#define AWIN_NDMA_CTL_SRC_NON_SECURE (1U << 6)
#define AWIN_NDMA_CTL_SRC_ADDR_NOINCR (1U << 5)
#define AWIN_NDMA_BC_COUNT 0x0003ffff
#define AWIN_DDMA_CTL_DMA_LOADING (1U << 31)
#define AWIN_DDMA_CTL_BUSY (1U << 30)
#define AWIN_DDMA_CTL_DMA_CONTIN_MODE (1U << 29)
#define AWIN_DDMA_CTL_DST_NON_SECURE (1U << 28)
#define AWIN_DDMA_CTL_DST_ADDR_MODE_SHIFT 21
#define AWIN_DDMA_CTL_DST_ADDR_MODE_MASK (3U << AWIN_DDMA_CTL_DST_ADDR_MODE_SHIFT)
#define AWIN_DDMA_CTL_DMA_ADDR_LINEAR 0
#define AWIN_DDMA_CTL_DMA_ADDR_IO 1
#define AWIN_DDMA_CTL_DMA_ADDR_HPAGE 2
#define AWIN_DDMA_CTL_DMA_ADDR_VPAGE 3
#define AWIN_DDMA_CTL_DST_DRQ_TYPE_SHIFT 16
#define AWIN_DDMA_CTL_DST_DRQ_TYPE_MASK (0x1f << AWIN_DDMA_CTL_DST_DRQ_TYPE_SHIFT)
#define AWIN_DDMA_CTL_DRQ_SRAM 0
#define AWIN_DDMA_CTL_DRQ_SDRAM 1
#define AWIN_DDMA_CTL_DRQ_NFC 3
#define AWIN_DDMA_CTL_DRQ_USB0 4
#define AWIN_DDMA_CTL_DRQ_EMAC_TX 6
#define AWIN_DDMA_CTL_DRQ_EMAC_RX 7
#define AWIN_DDMA_CTL_DRQ_SPI1_TX 8
#define AWIN_DDMA_CTL_DRQ_SPI1_RX 9
#define AWIN_DDMA_CTL_DRQ_SS_TX 10
#define AWIN_DDMA_CTL_DRQ_SS_RX 11
#define AWIN_DDMA_CTL_DRQ_TCON0 14
#define AWIN_DDMA_CTL_DRQ_TCON1 15
#define AWIN_DDMA_CTL_DRQ_MS_TX 23
#define AWIN_DDMA_CTL_DRQ_MS_RX 23
#define AWIN_DDMA_CTL_DRQ_HDMI_AUDIO 24
#define AWIN_DDMA_CTL_DRQ_SPI0_TX 26
#define AWIN_DDMA_CTL_DRQ_SPI0_RX 27
#define AWIN_DDMA_CTL_DRQ_SPI2_TX 28
#define AWIN_DDMA_CTL_DRQ_SPI2_RX 29
#define AWIN_DDMA_CTL_DRQ_SPI3_TX 30
#define AWIN_DDMA_CTL_DRQ_SPI3_RX 31
#define AWIN_DDMA_CTL_SRC_NON_SECURE (1U << 12)
#define AWIN_DDMA_CTL_SRC_ADDR_MODE_SHIFT 5
#define AWIN_DDMA_CTL_SRC_ADDR_MODE_MASK (3U << AWIN_DDMA_CTL_SRC_ADDR_MODE_SHIFT)
#define AWIN_DDMA_BC_COUNT 0x00003fff
#define AWIN_DDMA_PARA_DST_DATA_BLK_SIZ_SHIFT 24
#define AWIN_DDMA_PARA_DST_DATA_BLK_SIZ_MASK (0xff << AWIN_DDMA_PARA_DST_DATA_BLK_SIZ_SHIFT)
#define AWIN_DDMA_PARA_DST_WAIT_CYC_SHIFT 16
#define AWIN_DDMA_PARA_DST_WAIT_CYC_MASK (0xff << AWIN_DDMA_PARA_DST_WAIT_CYC_SHIFT)
#define AWIN_DDMA_PARA_SRC_DATA_BLK_SIZ_SHIFT 8
#define AWIN_DDMA_PARA_SRC_DATA_BLK_SIZ_MASK (0xff << AWIN_DDMA_PARA_SRC_DATA_BLK_SIZ_SHIFT)
#define AWIN_DDMA_PARA_SRC_WAIT_CYC_SHIFT 0
#define AWIN_DDMA_PARA_SRC_WAIT_CYC_MASK (0xff << AWIN_DDMA_PARA_SRC_WAIT_CYC_SHIFT)
#endif /* !_A10_DMAC_H_ */