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9ee0731768
This is needed to start removing hardcoded IRQs on omap2+. Signed-off-by: Tony Lindgren <tony@atomide.com>
547 lines
18 KiB
C
547 lines
18 KiB
C
/*
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* arch/arm/plat-omap/include/mach/dma.h
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*
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* Copyright (C) 2003 Nokia Corporation
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* Author: Juha Yrjölä <juha.yrjola@nokia.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __ASM_ARCH_DMA_H
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#define __ASM_ARCH_DMA_H
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#include <linux/platform_device.h>
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/*
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* TODO: These dma channel defines should go away once all
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* the omap drivers hwmod adapted.
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*/
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/* Move omap4 specific defines to dma-44xx.h */
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#include "dma-44xx.h"
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#define INT_DMA_LCD 25
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/* DMA channels for omap1 */
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#define OMAP_DMA_NO_DEVICE 0
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#define OMAP_DMA_MCSI1_TX 1
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#define OMAP_DMA_MCSI1_RX 2
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#define OMAP_DMA_I2C_RX 3
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#define OMAP_DMA_I2C_TX 4
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#define OMAP_DMA_EXT_NDMA_REQ 5
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#define OMAP_DMA_EXT_NDMA_REQ2 6
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#define OMAP_DMA_UWIRE_TX 7
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#define OMAP_DMA_MCBSP1_TX 8
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#define OMAP_DMA_MCBSP1_RX 9
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#define OMAP_DMA_MCBSP3_TX 10
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#define OMAP_DMA_MCBSP3_RX 11
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#define OMAP_DMA_UART1_TX 12
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#define OMAP_DMA_UART1_RX 13
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#define OMAP_DMA_UART2_TX 14
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#define OMAP_DMA_UART2_RX 15
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#define OMAP_DMA_MCBSP2_TX 16
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#define OMAP_DMA_MCBSP2_RX 17
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#define OMAP_DMA_UART3_TX 18
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#define OMAP_DMA_UART3_RX 19
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#define OMAP_DMA_CAMERA_IF_RX 20
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#define OMAP_DMA_MMC_TX 21
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#define OMAP_DMA_MMC_RX 22
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#define OMAP_DMA_NAND 23
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#define OMAP_DMA_IRQ_LCD_LINE 24
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#define OMAP_DMA_MEMORY_STICK 25
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#define OMAP_DMA_USB_W2FC_RX0 26
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#define OMAP_DMA_USB_W2FC_RX1 27
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#define OMAP_DMA_USB_W2FC_RX2 28
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#define OMAP_DMA_USB_W2FC_TX0 29
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#define OMAP_DMA_USB_W2FC_TX1 30
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#define OMAP_DMA_USB_W2FC_TX2 31
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/* These are only for 1610 */
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#define OMAP_DMA_CRYPTO_DES_IN 32
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#define OMAP_DMA_SPI_TX 33
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#define OMAP_DMA_SPI_RX 34
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#define OMAP_DMA_CRYPTO_HASH 35
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#define OMAP_DMA_CCP_ATTN 36
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#define OMAP_DMA_CCP_FIFO_NOT_EMPTY 37
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#define OMAP_DMA_CMT_APE_TX_CHAN_0 38
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#define OMAP_DMA_CMT_APE_RV_CHAN_0 39
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#define OMAP_DMA_CMT_APE_TX_CHAN_1 40
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#define OMAP_DMA_CMT_APE_RV_CHAN_1 41
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#define OMAP_DMA_CMT_APE_TX_CHAN_2 42
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#define OMAP_DMA_CMT_APE_RV_CHAN_2 43
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#define OMAP_DMA_CMT_APE_TX_CHAN_3 44
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#define OMAP_DMA_CMT_APE_RV_CHAN_3 45
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#define OMAP_DMA_CMT_APE_TX_CHAN_4 46
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#define OMAP_DMA_CMT_APE_RV_CHAN_4 47
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#define OMAP_DMA_CMT_APE_TX_CHAN_5 48
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#define OMAP_DMA_CMT_APE_RV_CHAN_5 49
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#define OMAP_DMA_CMT_APE_TX_CHAN_6 50
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#define OMAP_DMA_CMT_APE_RV_CHAN_6 51
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#define OMAP_DMA_CMT_APE_TX_CHAN_7 52
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#define OMAP_DMA_CMT_APE_RV_CHAN_7 53
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#define OMAP_DMA_MMC2_TX 54
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#define OMAP_DMA_MMC2_RX 55
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#define OMAP_DMA_CRYPTO_DES_OUT 56
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/* DMA channels for 24xx */
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#define OMAP24XX_DMA_NO_DEVICE 0
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#define OMAP24XX_DMA_XTI_DMA 1 /* S_DMA_0 */
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#define OMAP24XX_DMA_EXT_DMAREQ0 2 /* S_DMA_1 */
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#define OMAP24XX_DMA_EXT_DMAREQ1 3 /* S_DMA_2 */
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#define OMAP24XX_DMA_GPMC 4 /* S_DMA_3 */
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#define OMAP24XX_DMA_GFX 5 /* S_DMA_4 */
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#define OMAP24XX_DMA_DSS 6 /* S_DMA_5 */
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#define OMAP242X_DMA_VLYNQ_TX 7 /* S_DMA_6 */
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#define OMAP24XX_DMA_EXT_DMAREQ2 7 /* S_DMA_6 */
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#define OMAP24XX_DMA_CWT 8 /* S_DMA_7 */
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#define OMAP24XX_DMA_AES_TX 9 /* S_DMA_8 */
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#define OMAP24XX_DMA_AES_RX 10 /* S_DMA_9 */
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#define OMAP24XX_DMA_DES_TX 11 /* S_DMA_10 */
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#define OMAP24XX_DMA_DES_RX 12 /* S_DMA_11 */
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#define OMAP24XX_DMA_SHA1MD5_RX 13 /* S_DMA_12 */
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#define OMAP34XX_DMA_SHA2MD5_RX 13 /* S_DMA_12 */
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#define OMAP242X_DMA_EXT_DMAREQ2 14 /* S_DMA_13 */
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#define OMAP242X_DMA_EXT_DMAREQ3 15 /* S_DMA_14 */
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#define OMAP242X_DMA_EXT_DMAREQ4 16 /* S_DMA_15 */
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#define OMAP242X_DMA_EAC_AC_RD 17 /* S_DMA_16 */
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#define OMAP242X_DMA_EAC_AC_WR 18 /* S_DMA_17 */
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#define OMAP242X_DMA_EAC_MD_UL_RD 19 /* S_DMA_18 */
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#define OMAP242X_DMA_EAC_MD_UL_WR 20 /* S_DMA_19 */
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#define OMAP242X_DMA_EAC_MD_DL_RD 21 /* S_DMA_20 */
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#define OMAP242X_DMA_EAC_MD_DL_WR 22 /* S_DMA_21 */
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#define OMAP242X_DMA_EAC_BT_UL_RD 23 /* S_DMA_22 */
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#define OMAP242X_DMA_EAC_BT_UL_WR 24 /* S_DMA_23 */
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#define OMAP242X_DMA_EAC_BT_DL_RD 25 /* S_DMA_24 */
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#define OMAP242X_DMA_EAC_BT_DL_WR 26 /* S_DMA_25 */
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#define OMAP243X_DMA_EXT_DMAREQ3 14 /* S_DMA_13 */
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#define OMAP24XX_DMA_SPI3_TX0 15 /* S_DMA_14 */
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#define OMAP24XX_DMA_SPI3_RX0 16 /* S_DMA_15 */
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#define OMAP24XX_DMA_MCBSP3_TX 17 /* S_DMA_16 */
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#define OMAP24XX_DMA_MCBSP3_RX 18 /* S_DMA_17 */
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#define OMAP24XX_DMA_MCBSP4_TX 19 /* S_DMA_18 */
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#define OMAP24XX_DMA_MCBSP4_RX 20 /* S_DMA_19 */
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#define OMAP24XX_DMA_MCBSP5_TX 21 /* S_DMA_20 */
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#define OMAP24XX_DMA_MCBSP5_RX 22 /* S_DMA_21 */
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#define OMAP24XX_DMA_SPI3_TX1 23 /* S_DMA_22 */
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#define OMAP24XX_DMA_SPI3_RX1 24 /* S_DMA_23 */
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#define OMAP243X_DMA_EXT_DMAREQ4 25 /* S_DMA_24 */
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#define OMAP243X_DMA_EXT_DMAREQ5 26 /* S_DMA_25 */
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#define OMAP34XX_DMA_I2C3_TX 25 /* S_DMA_24 */
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#define OMAP34XX_DMA_I2C3_RX 26 /* S_DMA_25 */
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#define OMAP24XX_DMA_I2C1_TX 27 /* S_DMA_26 */
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#define OMAP24XX_DMA_I2C1_RX 28 /* S_DMA_27 */
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#define OMAP24XX_DMA_I2C2_TX 29 /* S_DMA_28 */
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#define OMAP24XX_DMA_I2C2_RX 30 /* S_DMA_29 */
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#define OMAP24XX_DMA_MCBSP1_TX 31 /* S_DMA_30 */
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#define OMAP24XX_DMA_MCBSP1_RX 32 /* S_DMA_31 */
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#define OMAP24XX_DMA_MCBSP2_TX 33 /* S_DMA_32 */
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#define OMAP24XX_DMA_MCBSP2_RX 34 /* S_DMA_33 */
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#define OMAP24XX_DMA_SPI1_TX0 35 /* S_DMA_34 */
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#define OMAP24XX_DMA_SPI1_RX0 36 /* S_DMA_35 */
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#define OMAP24XX_DMA_SPI1_TX1 37 /* S_DMA_36 */
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#define OMAP24XX_DMA_SPI1_RX1 38 /* S_DMA_37 */
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#define OMAP24XX_DMA_SPI1_TX2 39 /* S_DMA_38 */
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#define OMAP24XX_DMA_SPI1_RX2 40 /* S_DMA_39 */
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#define OMAP24XX_DMA_SPI1_TX3 41 /* S_DMA_40 */
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#define OMAP24XX_DMA_SPI1_RX3 42 /* S_DMA_41 */
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#define OMAP24XX_DMA_SPI2_TX0 43 /* S_DMA_42 */
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#define OMAP24XX_DMA_SPI2_RX0 44 /* S_DMA_43 */
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#define OMAP24XX_DMA_SPI2_TX1 45 /* S_DMA_44 */
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#define OMAP24XX_DMA_SPI2_RX1 46 /* S_DMA_45 */
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#define OMAP24XX_DMA_MMC2_TX 47 /* S_DMA_46 */
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#define OMAP24XX_DMA_MMC2_RX 48 /* S_DMA_47 */
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#define OMAP24XX_DMA_UART1_TX 49 /* S_DMA_48 */
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#define OMAP24XX_DMA_UART1_RX 50 /* S_DMA_49 */
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#define OMAP24XX_DMA_UART2_TX 51 /* S_DMA_50 */
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#define OMAP24XX_DMA_UART2_RX 52 /* S_DMA_51 */
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#define OMAP24XX_DMA_UART3_TX 53 /* S_DMA_52 */
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#define OMAP24XX_DMA_UART3_RX 54 /* S_DMA_53 */
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#define OMAP24XX_DMA_USB_W2FC_TX0 55 /* S_DMA_54 */
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#define OMAP24XX_DMA_USB_W2FC_RX0 56 /* S_DMA_55 */
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#define OMAP24XX_DMA_USB_W2FC_TX1 57 /* S_DMA_56 */
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#define OMAP24XX_DMA_USB_W2FC_RX1 58 /* S_DMA_57 */
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#define OMAP24XX_DMA_USB_W2FC_TX2 59 /* S_DMA_58 */
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#define OMAP24XX_DMA_USB_W2FC_RX2 60 /* S_DMA_59 */
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#define OMAP24XX_DMA_MMC1_TX 61 /* S_DMA_60 */
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#define OMAP24XX_DMA_MMC1_RX 62 /* S_DMA_61 */
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#define OMAP24XX_DMA_MS 63 /* S_DMA_62 */
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#define OMAP242X_DMA_EXT_DMAREQ5 64 /* S_DMA_63 */
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#define OMAP243X_DMA_EXT_DMAREQ6 64 /* S_DMA_63 */
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#define OMAP34XX_DMA_EXT_DMAREQ3 64 /* S_DMA_63 */
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#define OMAP34XX_DMA_AES2_TX 65 /* S_DMA_64 */
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#define OMAP34XX_DMA_AES2_RX 66 /* S_DMA_65 */
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#define OMAP34XX_DMA_DES2_TX 67 /* S_DMA_66 */
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#define OMAP34XX_DMA_DES2_RX 68 /* S_DMA_67 */
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#define OMAP34XX_DMA_SHA1MD5_RX 69 /* S_DMA_68 */
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#define OMAP34XX_DMA_SPI4_TX0 70 /* S_DMA_69 */
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#define OMAP34XX_DMA_SPI4_RX0 71 /* S_DMA_70 */
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#define OMAP34XX_DSS_DMA0 72 /* S_DMA_71 */
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#define OMAP34XX_DSS_DMA1 73 /* S_DMA_72 */
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#define OMAP34XX_DSS_DMA2 74 /* S_DMA_73 */
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#define OMAP34XX_DSS_DMA3 75 /* S_DMA_74 */
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#define OMAP34XX_DMA_MMC3_TX 77 /* S_DMA_76 */
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#define OMAP34XX_DMA_MMC3_RX 78 /* S_DMA_77 */
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#define OMAP34XX_DMA_USIM_TX 79 /* S_DMA_78 */
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#define OMAP34XX_DMA_USIM_RX 80 /* S_DMA_79 */
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#define OMAP36XX_DMA_UART4_TX 81 /* S_DMA_80 */
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#define OMAP36XX_DMA_UART4_RX 82 /* S_DMA_81 */
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/* Only for AM35xx */
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#define AM35XX_DMA_UART4_TX 54
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#define AM35XX_DMA_UART4_RX 55
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/*----------------------------------------------------------------------------*/
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#define OMAP1_DMA_TOUT_IRQ (1 << 0)
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#define OMAP_DMA_DROP_IRQ (1 << 1)
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#define OMAP_DMA_HALF_IRQ (1 << 2)
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#define OMAP_DMA_FRAME_IRQ (1 << 3)
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#define OMAP_DMA_LAST_IRQ (1 << 4)
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#define OMAP_DMA_BLOCK_IRQ (1 << 5)
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#define OMAP1_DMA_SYNC_IRQ (1 << 6)
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#define OMAP2_DMA_PKT_IRQ (1 << 7)
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#define OMAP2_DMA_TRANS_ERR_IRQ (1 << 8)
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#define OMAP2_DMA_SECURE_ERR_IRQ (1 << 9)
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#define OMAP2_DMA_SUPERVISOR_ERR_IRQ (1 << 10)
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#define OMAP2_DMA_MISALIGNED_ERR_IRQ (1 << 11)
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#define OMAP_DMA_CCR_EN (1 << 7)
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#define OMAP_DMA_CCR_RD_ACTIVE (1 << 9)
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#define OMAP_DMA_CCR_WR_ACTIVE (1 << 10)
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#define OMAP_DMA_CCR_SEL_SRC_DST_SYNC (1 << 24)
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#define OMAP_DMA_CCR_BUFFERING_DISABLE (1 << 25)
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#define OMAP_DMA_DATA_TYPE_S8 0x00
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#define OMAP_DMA_DATA_TYPE_S16 0x01
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#define OMAP_DMA_DATA_TYPE_S32 0x02
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#define OMAP_DMA_SYNC_ELEMENT 0x00
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#define OMAP_DMA_SYNC_FRAME 0x01
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#define OMAP_DMA_SYNC_BLOCK 0x02
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#define OMAP_DMA_SYNC_PACKET 0x03
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#define OMAP_DMA_DST_SYNC_PREFETCH 0x02
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#define OMAP_DMA_SRC_SYNC 0x01
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#define OMAP_DMA_DST_SYNC 0x00
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#define OMAP_DMA_PORT_EMIFF 0x00
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#define OMAP_DMA_PORT_EMIFS 0x01
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#define OMAP_DMA_PORT_OCP_T1 0x02
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#define OMAP_DMA_PORT_TIPB 0x03
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#define OMAP_DMA_PORT_OCP_T2 0x04
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#define OMAP_DMA_PORT_MPUI 0x05
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#define OMAP_DMA_AMODE_CONSTANT 0x00
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#define OMAP_DMA_AMODE_POST_INC 0x01
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#define OMAP_DMA_AMODE_SINGLE_IDX 0x02
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#define OMAP_DMA_AMODE_DOUBLE_IDX 0x03
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#define DMA_DEFAULT_FIFO_DEPTH 0x10
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#define DMA_DEFAULT_ARB_RATE 0x01
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/* Pass THREAD_RESERVE ORed with THREAD_FIFO for tparams */
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#define DMA_THREAD_RESERVE_NORM (0x00 << 12) /* Def */
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#define DMA_THREAD_RESERVE_ONET (0x01 << 12)
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#define DMA_THREAD_RESERVE_TWOT (0x02 << 12)
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#define DMA_THREAD_RESERVE_THREET (0x03 << 12)
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#define DMA_THREAD_FIFO_NONE (0x00 << 14) /* Def */
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#define DMA_THREAD_FIFO_75 (0x01 << 14)
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#define DMA_THREAD_FIFO_25 (0x02 << 14)
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#define DMA_THREAD_FIFO_50 (0x03 << 14)
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/* DMA4_OCP_SYSCONFIG bits */
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#define DMA_SYSCONFIG_MIDLEMODE_MASK (3 << 12)
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#define DMA_SYSCONFIG_CLOCKACTIVITY_MASK (3 << 8)
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#define DMA_SYSCONFIG_EMUFREE (1 << 5)
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#define DMA_SYSCONFIG_SIDLEMODE_MASK (3 << 3)
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#define DMA_SYSCONFIG_SOFTRESET (1 << 2)
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#define DMA_SYSCONFIG_AUTOIDLE (1 << 0)
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#define DMA_SYSCONFIG_MIDLEMODE(n) ((n) << 12)
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#define DMA_SYSCONFIG_SIDLEMODE(n) ((n) << 3)
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#define DMA_IDLEMODE_SMARTIDLE 0x2
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#define DMA_IDLEMODE_NO_IDLE 0x1
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#define DMA_IDLEMODE_FORCE_IDLE 0x0
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/* Chaining modes*/
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#ifndef CONFIG_ARCH_OMAP1
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#define OMAP_DMA_STATIC_CHAIN 0x1
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#define OMAP_DMA_DYNAMIC_CHAIN 0x2
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#define OMAP_DMA_CHAIN_ACTIVE 0x1
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#define OMAP_DMA_CHAIN_INACTIVE 0x0
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#endif
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#define DMA_CH_PRIO_HIGH 0x1
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#define DMA_CH_PRIO_LOW 0x0 /* Def */
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/* Errata handling */
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#define IS_DMA_ERRATA(id) (errata & (id))
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#define SET_DMA_ERRATA(id) (errata |= (id))
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#define DMA_ERRATA_IFRAME_BUFFERING BIT(0x0)
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#define DMA_ERRATA_PARALLEL_CHANNELS BIT(0x1)
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#define DMA_ERRATA_i378 BIT(0x2)
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#define DMA_ERRATA_i541 BIT(0x3)
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#define DMA_ERRATA_i88 BIT(0x4)
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#define DMA_ERRATA_3_3 BIT(0x5)
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#define DMA_ROMCODE_BUG BIT(0x6)
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/* Attributes for OMAP DMA Contrller */
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#define DMA_LINKED_LCH BIT(0x0)
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#define GLOBAL_PRIORITY BIT(0x1)
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#define RESERVE_CHANNEL BIT(0x2)
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#define IS_CSSA_32 BIT(0x3)
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#define IS_CDSA_32 BIT(0x4)
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#define IS_RW_PRIORITY BIT(0x5)
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#define ENABLE_1510_MODE BIT(0x6)
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#define SRC_PORT BIT(0x7)
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#define DST_PORT BIT(0x8)
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#define SRC_INDEX BIT(0x9)
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#define DST_INDEX BIT(0xA)
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#define IS_BURST_ONLY4 BIT(0xB)
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#define CLEAR_CSR_ON_READ BIT(0xC)
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#define IS_WORD_16 BIT(0xD)
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/* Defines for DMA Capabilities */
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#define DMA_HAS_TRANSPARENT_CAPS (0x1 << 18)
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#define DMA_HAS_CONSTANT_FILL_CAPS (0x1 << 19)
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#define DMA_HAS_DESCRIPTOR_CAPS (0x3 << 20)
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enum omap_reg_offsets {
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GCR, GSCR, GRST1, HW_ID,
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PCH2_ID, PCH0_ID, PCH1_ID, PCHG_ID,
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PCHD_ID, CAPS_0, CAPS_1, CAPS_2,
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CAPS_3, CAPS_4, PCH2_SR, PCH0_SR,
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PCH1_SR, PCHD_SR, REVISION, IRQSTATUS_L0,
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IRQSTATUS_L1, IRQSTATUS_L2, IRQSTATUS_L3, IRQENABLE_L0,
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IRQENABLE_L1, IRQENABLE_L2, IRQENABLE_L3, SYSSTATUS,
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OCP_SYSCONFIG,
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/* omap1+ specific */
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CPC, CCR2, LCH_CTRL,
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/* Common registers for all omap's */
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CSDP, CCR, CICR, CSR,
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CEN, CFN, CSFI, CSEI,
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CSAC, CDAC, CDEI,
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CDFI, CLNK_CTRL,
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/* Channel specific registers */
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CSSA, CDSA, COLOR,
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CCEN, CCFN,
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/* omap3630 and omap4 specific */
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CDP, CNDP, CCDN,
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};
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enum omap_dma_burst_mode {
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OMAP_DMA_DATA_BURST_DIS = 0,
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OMAP_DMA_DATA_BURST_4,
|
|
OMAP_DMA_DATA_BURST_8,
|
|
OMAP_DMA_DATA_BURST_16,
|
|
};
|
|
|
|
enum end_type {
|
|
OMAP_DMA_LITTLE_ENDIAN = 0,
|
|
OMAP_DMA_BIG_ENDIAN
|
|
};
|
|
|
|
enum omap_dma_color_mode {
|
|
OMAP_DMA_COLOR_DIS = 0,
|
|
OMAP_DMA_CONSTANT_FILL,
|
|
OMAP_DMA_TRANSPARENT_COPY
|
|
};
|
|
|
|
enum omap_dma_write_mode {
|
|
OMAP_DMA_WRITE_NON_POSTED = 0,
|
|
OMAP_DMA_WRITE_POSTED,
|
|
OMAP_DMA_WRITE_LAST_NON_POSTED
|
|
};
|
|
|
|
enum omap_dma_channel_mode {
|
|
OMAP_DMA_LCH_2D = 0,
|
|
OMAP_DMA_LCH_G,
|
|
OMAP_DMA_LCH_P,
|
|
OMAP_DMA_LCH_PD
|
|
};
|
|
|
|
struct omap_dma_channel_params {
|
|
int data_type; /* data type 8,16,32 */
|
|
int elem_count; /* number of elements in a frame */
|
|
int frame_count; /* number of frames in a element */
|
|
|
|
int src_port; /* Only on OMAP1 REVISIT: Is this needed? */
|
|
int src_amode; /* constant, post increment, indexed,
|
|
double indexed */
|
|
unsigned long src_start; /* source address : physical */
|
|
int src_ei; /* source element index */
|
|
int src_fi; /* source frame index */
|
|
|
|
int dst_port; /* Only on OMAP1 REVISIT: Is this needed? */
|
|
int dst_amode; /* constant, post increment, indexed,
|
|
double indexed */
|
|
unsigned long dst_start; /* source address : physical */
|
|
int dst_ei; /* source element index */
|
|
int dst_fi; /* source frame index */
|
|
|
|
int trigger; /* trigger attached if the channel is
|
|
synchronized */
|
|
int sync_mode; /* sycn on element, frame , block or packet */
|
|
int src_or_dst_synch; /* source synch(1) or destination synch(0) */
|
|
|
|
int ie; /* interrupt enabled */
|
|
|
|
unsigned char read_prio;/* read priority */
|
|
unsigned char write_prio;/* write priority */
|
|
|
|
#ifndef CONFIG_ARCH_OMAP1
|
|
enum omap_dma_burst_mode burst_mode; /* Burst mode 4/8/16 words */
|
|
#endif
|
|
};
|
|
|
|
struct omap_dma_lch {
|
|
int next_lch;
|
|
int dev_id;
|
|
u16 saved_csr;
|
|
u16 enabled_irqs;
|
|
const char *dev_name;
|
|
void (*callback)(int lch, u16 ch_status, void *data);
|
|
void *data;
|
|
long flags;
|
|
/* required for Dynamic chaining */
|
|
int prev_linked_ch;
|
|
int next_linked_ch;
|
|
int state;
|
|
int chain_id;
|
|
int status;
|
|
};
|
|
|
|
struct omap_dma_dev_attr {
|
|
u32 dev_caps;
|
|
u16 lch_count;
|
|
u16 chan_count;
|
|
struct omap_dma_lch *chan;
|
|
};
|
|
|
|
/* System DMA platform data structure */
|
|
struct omap_system_dma_plat_info {
|
|
struct omap_dma_dev_attr *dma_attr;
|
|
u32 errata;
|
|
void (*disable_irq_lch)(int lch);
|
|
void (*show_dma_caps)(void);
|
|
void (*clear_lch_regs)(int lch);
|
|
void (*clear_dma)(int lch);
|
|
void (*dma_write)(u32 val, int reg, int lch);
|
|
u32 (*dma_read)(int reg, int lch);
|
|
};
|
|
|
|
extern void __init omap_init_consistent_dma_size(void);
|
|
extern void omap_set_dma_priority(int lch, int dst_port, int priority);
|
|
extern int omap_request_dma(int dev_id, const char *dev_name,
|
|
void (*callback)(int lch, u16 ch_status, void *data),
|
|
void *data, int *dma_ch);
|
|
extern void omap_enable_dma_irq(int ch, u16 irq_bits);
|
|
extern void omap_disable_dma_irq(int ch, u16 irq_bits);
|
|
extern void omap_free_dma(int ch);
|
|
extern void omap_start_dma(int lch);
|
|
extern void omap_stop_dma(int lch);
|
|
extern void omap_set_dma_transfer_params(int lch, int data_type,
|
|
int elem_count, int frame_count,
|
|
int sync_mode,
|
|
int dma_trigger, int src_or_dst_synch);
|
|
extern void omap_set_dma_color_mode(int lch, enum omap_dma_color_mode mode,
|
|
u32 color);
|
|
extern void omap_set_dma_write_mode(int lch, enum omap_dma_write_mode mode);
|
|
extern void omap_set_dma_channel_mode(int lch, enum omap_dma_channel_mode mode);
|
|
|
|
extern void omap_set_dma_src_params(int lch, int src_port, int src_amode,
|
|
unsigned long src_start,
|
|
int src_ei, int src_fi);
|
|
extern void omap_set_dma_src_index(int lch, int eidx, int fidx);
|
|
extern void omap_set_dma_src_data_pack(int lch, int enable);
|
|
extern void omap_set_dma_src_burst_mode(int lch,
|
|
enum omap_dma_burst_mode burst_mode);
|
|
|
|
extern void omap_set_dma_dest_params(int lch, int dest_port, int dest_amode,
|
|
unsigned long dest_start,
|
|
int dst_ei, int dst_fi);
|
|
extern void omap_set_dma_dest_index(int lch, int eidx, int fidx);
|
|
extern void omap_set_dma_dest_data_pack(int lch, int enable);
|
|
extern void omap_set_dma_dest_burst_mode(int lch,
|
|
enum omap_dma_burst_mode burst_mode);
|
|
|
|
extern void omap_set_dma_params(int lch,
|
|
struct omap_dma_channel_params *params);
|
|
|
|
extern void omap_dma_link_lch(int lch_head, int lch_queue);
|
|
extern void omap_dma_unlink_lch(int lch_head, int lch_queue);
|
|
|
|
extern int omap_set_dma_callback(int lch,
|
|
void (*callback)(int lch, u16 ch_status, void *data),
|
|
void *data);
|
|
extern dma_addr_t omap_get_dma_src_pos(int lch);
|
|
extern dma_addr_t omap_get_dma_dst_pos(int lch);
|
|
extern void omap_clear_dma(int lch);
|
|
extern int omap_get_dma_active_status(int lch);
|
|
extern int omap_dma_running(void);
|
|
extern void omap_dma_set_global_params(int arb_rate, int max_fifo_depth,
|
|
int tparams);
|
|
extern int omap_dma_set_prio_lch(int lch, unsigned char read_prio,
|
|
unsigned char write_prio);
|
|
extern void omap_set_dma_dst_endian_type(int lch, enum end_type etype);
|
|
extern void omap_set_dma_src_endian_type(int lch, enum end_type etype);
|
|
extern int omap_get_dma_index(int lch, int *ei, int *fi);
|
|
|
|
void omap_dma_global_context_save(void);
|
|
void omap_dma_global_context_restore(void);
|
|
|
|
extern void omap_dma_disable_irq(int lch);
|
|
|
|
/* Chaining APIs */
|
|
#ifndef CONFIG_ARCH_OMAP1
|
|
extern int omap_request_dma_chain(int dev_id, const char *dev_name,
|
|
void (*callback) (int lch, u16 ch_status,
|
|
void *data),
|
|
int *chain_id, int no_of_chans,
|
|
int chain_mode,
|
|
struct omap_dma_channel_params params);
|
|
extern int omap_free_dma_chain(int chain_id);
|
|
extern int omap_dma_chain_a_transfer(int chain_id, int src_start,
|
|
int dest_start, int elem_count,
|
|
int frame_count, void *callbk_data);
|
|
extern int omap_start_dma_chain_transfers(int chain_id);
|
|
extern int omap_stop_dma_chain_transfers(int chain_id);
|
|
extern int omap_get_dma_chain_index(int chain_id, int *ei, int *fi);
|
|
extern int omap_get_dma_chain_dst_pos(int chain_id);
|
|
extern int omap_get_dma_chain_src_pos(int chain_id);
|
|
|
|
extern int omap_modify_dma_chain_params(int chain_id,
|
|
struct omap_dma_channel_params params);
|
|
extern int omap_dma_chain_status(int chain_id);
|
|
#endif
|
|
|
|
#if defined(CONFIG_ARCH_OMAP1) && defined(CONFIG_FB_OMAP)
|
|
#include <mach/lcd_dma.h>
|
|
#else
|
|
static inline int omap_lcd_dma_running(void)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#endif /* __ASM_ARCH_DMA_H */
|