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/*
* arch/arm/plat-omap/include/mach/dma.h
*
* Copyright (C) 2003 Nokia Corporation
* Author: Juha Yrjölä <juha.yrjola@nokia.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ASM_ARCH_DMA_H
#define __ASM_ARCH_DMA_H
/* Hardware registers for omap1 */
#define OMAP1_DMA_BASE (0xfffed800)
#define OMAP1_DMA_GCR 0x400
#define OMAP1_DMA_GSCR 0x404
#define OMAP1_DMA_GRST 0x408
#define OMAP1_DMA_HW_ID 0x442
#define OMAP1_DMA_PCH2_ID 0x444
#define OMAP1_DMA_PCH0_ID 0x446
#define OMAP1_DMA_PCH1_ID 0x448
#define OMAP1_DMA_PCHG_ID 0x44a
#define OMAP1_DMA_PCHD_ID 0x44c
#define OMAP1_DMA_CAPS_0_U 0x44e
#define OMAP1_DMA_CAPS_0_L 0x450
#define OMAP1_DMA_CAPS_1_U 0x452
#define OMAP1_DMA_CAPS_1_L 0x454
#define OMAP1_DMA_CAPS_2 0x456
#define OMAP1_DMA_CAPS_3 0x458
#define OMAP1_DMA_CAPS_4 0x45a
#define OMAP1_DMA_PCH2_SR 0x460
#define OMAP1_DMA_PCH0_SR 0x480
#define OMAP1_DMA_PCH1_SR 0x482
#define OMAP1_DMA_PCHD_SR 0x4c0
/* Hardware registers for omap2 and omap3 */
#define OMAP24XX_DMA4_BASE (L4_24XX_BASE + 0x56000)
#define OMAP34XX_DMA4_BASE (L4_34XX_BASE + 0x56000)
#define OMAP44XX_DMA4_BASE (L4_44XX_BASE + 0x56000)
#define OMAP_DMA4_REVISION 0x00
#define OMAP_DMA4_GCR 0x78
#define OMAP_DMA4_IRQSTATUS_L0 0x08
#define OMAP_DMA4_IRQSTATUS_L1 0x0c
#define OMAP_DMA4_IRQSTATUS_L2 0x10
#define OMAP_DMA4_IRQSTATUS_L3 0x14
#define OMAP_DMA4_IRQENABLE_L0 0x18
#define OMAP_DMA4_IRQENABLE_L1 0x1c
#define OMAP_DMA4_IRQENABLE_L2 0x20
#define OMAP_DMA4_IRQENABLE_L3 0x24
#define OMAP_DMA4_SYSSTATUS 0x28
#define OMAP_DMA4_OCP_SYSCONFIG 0x2c
#define OMAP_DMA4_CAPS_0 0x64
#define OMAP_DMA4_CAPS_2 0x6c
#define OMAP_DMA4_CAPS_3 0x70
#define OMAP_DMA4_CAPS_4 0x74
#define OMAP1_LOGICAL_DMA_CH_COUNT 17
#define OMAP_DMA4_LOGICAL_DMA_CH_COUNT 32 /* REVISIT: Is this 32 + 2? */
/* Common channel specific registers for omap1 */
#define OMAP1_DMA_CH_BASE(n) (0x40 * (n) + 0x00)
#define OMAP1_DMA_CSDP(n) (0x40 * (n) + 0x00)
#define OMAP1_DMA_CCR(n) (0x40 * (n) + 0x02)
#define OMAP1_DMA_CICR(n) (0x40 * (n) + 0x04)
#define OMAP1_DMA_CSR(n) (0x40 * (n) + 0x06)
#define OMAP1_DMA_CEN(n) (0x40 * (n) + 0x10)
#define OMAP1_DMA_CFN(n) (0x40 * (n) + 0x12)
#define OMAP1_DMA_CSFI(n) (0x40 * (n) + 0x14)
#define OMAP1_DMA_CSEI(n) (0x40 * (n) + 0x16)
#define OMAP1_DMA_CPC(n) (0x40 * (n) + 0x18) /* 15xx only */
#define OMAP1_DMA_CSAC(n) (0x40 * (n) + 0x18)
#define OMAP1_DMA_CDAC(n) (0x40 * (n) + 0x1a)
#define OMAP1_DMA_CDEI(n) (0x40 * (n) + 0x1c)
#define OMAP1_DMA_CDFI(n) (0x40 * (n) + 0x1e)
#define OMAP1_DMA_CLNK_CTRL(n) (0x40 * (n) + 0x28)
/* Common channel specific registers for omap2 */
#define OMAP_DMA4_CH_BASE(n) (0x60 * (n) + 0x80)
#define OMAP_DMA4_CCR(n) (0x60 * (n) + 0x80)
#define OMAP_DMA4_CLNK_CTRL(n) (0x60 * (n) + 0x84)
#define OMAP_DMA4_CICR(n) (0x60 * (n) + 0x88)
#define OMAP_DMA4_CSR(n) (0x60 * (n) + 0x8c)
#define OMAP_DMA4_CSDP(n) (0x60 * (n) + 0x90)
#define OMAP_DMA4_CEN(n) (0x60 * (n) + 0x94)
#define OMAP_DMA4_CFN(n) (0x60 * (n) + 0x98)
#define OMAP_DMA4_CSEI(n) (0x60 * (n) + 0xa4)
#define OMAP_DMA4_CSFI(n) (0x60 * (n) + 0xa8)
#define OMAP_DMA4_CDEI(n) (0x60 * (n) + 0xac)
#define OMAP_DMA4_CDFI(n) (0x60 * (n) + 0xb0)
#define OMAP_DMA4_CSAC(n) (0x60 * (n) + 0xb4)
#define OMAP_DMA4_CDAC(n) (0x60 * (n) + 0xb8)
/* Channel specific registers only on omap1 */
#define OMAP1_DMA_CSSA_L(n) (0x40 * (n) + 0x08)
#define OMAP1_DMA_CSSA_U(n) (0x40 * (n) + 0x0a)
#define OMAP1_DMA_CDSA_L(n) (0x40 * (n) + 0x0c)
#define OMAP1_DMA_CDSA_U(n) (0x40 * (n) + 0x0e)
#define OMAP1_DMA_COLOR_L(n) (0x40 * (n) + 0x20)
#define OMAP1_DMA_COLOR_U(n) (0x40 * (n) + 0x22)
#define OMAP1_DMA_CCR2(n) (0x40 * (n) + 0x24)
#define OMAP1_DMA_LCH_CTRL(n) (0x40 * (n) + 0x2a) /* not on 15xx */
#define OMAP1_DMA_COLOR(n) 0
#define OMAP1_DMA_CCEN(n) 0
#define OMAP1_DMA_CCFN(n) 0
#define OMAP1_DMA_CDP(n) 0
#define OMAP1_DMA_CNDP(n) 0
#define OMAP1_DMA_CCDN(n) 0
/* Channel specific registers only on omap2 */
#define OMAP_DMA4_CSSA(n) (0x60 * (n) + 0x9c)
#define OMAP_DMA4_CDSA(n) (0x60 * (n) + 0xa0)
#define OMAP_DMA4_CCEN(n) (0x60 * (n) + 0xbc)
#define OMAP_DMA4_CCFN(n) (0x60 * (n) + 0xc0)
#define OMAP_DMA4_COLOR(n) (0x60 * (n) + 0xc4)
/* Additional registers available on OMAP4 */
#define OMAP_DMA4_CDP(n) (0x60 * (n) + 0xd0)
#define OMAP_DMA4_CNDP(n) (0x60 * (n) + 0xd4)
#define OMAP_DMA4_CCDN(n) (0x60 * (n) + 0xd8)
/* Dummy defines to keep multi-omap compiles happy */
#define OMAP1_DMA_REVISION 0
#define OMAP1_DMA_IRQSTATUS_L0 0
#define OMAP1_DMA_IRQENABLE_L0 0
#define OMAP1_DMA_OCP_SYSCONFIG 0
#define OMAP1_DMA_CAPS_0 0
#define OMAP_DMA4_HW_ID 0
#define OMAP_DMA4_CAPS_0_L 0
#define OMAP_DMA4_CAPS_0_U 0
#define OMAP_DMA4_CAPS_1_L 0
#define OMAP_DMA4_CAPS_1_U 0
#define OMAP_DMA4_GSCR 0
#define OMAP_DMA4_CPC(n) 0
#define OMAP_DMA4_LCH_CTRL(n) 0
#define OMAP_DMA4_COLOR_L(n) 0
#define OMAP_DMA4_COLOR_U(n) 0
#define OMAP_DMA4_CCR2(n) 0
#define OMAP1_DMA_CSSA(n) 0
#define OMAP1_DMA_CDSA(n) 0
#define OMAP_DMA4_CSSA_L(n) 0
#define OMAP_DMA4_CSSA_U(n) 0
#define OMAP_DMA4_CDSA_L(n) 0
#define OMAP_DMA4_CDSA_U(n) 0
#define OMAP1_DMA_COLOR(n) 0
/*----------------------------------------------------------------------------*/
/* DMA channels for omap1 */
#define OMAP_DMA_NO_DEVICE 0
#define OMAP_DMA_MCSI1_TX 1
#define OMAP_DMA_MCSI1_RX 2
#define OMAP_DMA_I2C_RX 3
#define OMAP_DMA_I2C_TX 4
#define OMAP_DMA_EXT_NDMA_REQ 5
#define OMAP_DMA_EXT_NDMA_REQ2 6
#define OMAP_DMA_UWIRE_TX 7
#define OMAP_DMA_MCBSP1_TX 8
#define OMAP_DMA_MCBSP1_RX 9
#define OMAP_DMA_MCBSP3_TX 10
#define OMAP_DMA_MCBSP3_RX 11
#define OMAP_DMA_UART1_TX 12
#define OMAP_DMA_UART1_RX 13
#define OMAP_DMA_UART2_TX 14
#define OMAP_DMA_UART2_RX 15
#define OMAP_DMA_MCBSP2_TX 16
#define OMAP_DMA_MCBSP2_RX 17
#define OMAP_DMA_UART3_TX 18
#define OMAP_DMA_UART3_RX 19
#define OMAP_DMA_CAMERA_IF_RX 20
#define OMAP_DMA_MMC_TX 21
#define OMAP_DMA_MMC_RX 22
#define OMAP_DMA_NAND 23
#define OMAP_DMA_IRQ_LCD_LINE 24
#define OMAP_DMA_MEMORY_STICK 25
#define OMAP_DMA_USB_W2FC_RX0 26
#define OMAP_DMA_USB_W2FC_RX1 27
#define OMAP_DMA_USB_W2FC_RX2 28
#define OMAP_DMA_USB_W2FC_TX0 29
#define OMAP_DMA_USB_W2FC_TX1 30
#define OMAP_DMA_USB_W2FC_TX2 31
/* These are only for 1610 */
#define OMAP_DMA_CRYPTO_DES_IN 32
#define OMAP_DMA_SPI_TX 33
#define OMAP_DMA_SPI_RX 34
#define OMAP_DMA_CRYPTO_HASH 35
#define OMAP_DMA_CCP_ATTN 36
#define OMAP_DMA_CCP_FIFO_NOT_EMPTY 37
#define OMAP_DMA_CMT_APE_TX_CHAN_0 38
#define OMAP_DMA_CMT_APE_RV_CHAN_0 39
#define OMAP_DMA_CMT_APE_TX_CHAN_1 40
#define OMAP_DMA_CMT_APE_RV_CHAN_1 41
#define OMAP_DMA_CMT_APE_TX_CHAN_2 42
#define OMAP_DMA_CMT_APE_RV_CHAN_2 43
#define OMAP_DMA_CMT_APE_TX_CHAN_3 44
#define OMAP_DMA_CMT_APE_RV_CHAN_3 45
#define OMAP_DMA_CMT_APE_TX_CHAN_4 46
#define OMAP_DMA_CMT_APE_RV_CHAN_4 47
#define OMAP_DMA_CMT_APE_TX_CHAN_5 48
#define OMAP_DMA_CMT_APE_RV_CHAN_5 49
#define OMAP_DMA_CMT_APE_TX_CHAN_6 50
#define OMAP_DMA_CMT_APE_RV_CHAN_6 51
#define OMAP_DMA_CMT_APE_TX_CHAN_7 52
#define OMAP_DMA_CMT_APE_RV_CHAN_7 53
#define OMAP_DMA_MMC2_TX 54
#define OMAP_DMA_MMC2_RX 55
#define OMAP_DMA_CRYPTO_DES_OUT 56
/* DMA channels for 24xx */
#define OMAP24XX_DMA_NO_DEVICE 0
#define OMAP24XX_DMA_XTI_DMA 1 /* S_DMA_0 */
#define OMAP24XX_DMA_EXT_DMAREQ0 2 /* S_DMA_1 */
#define OMAP24XX_DMA_EXT_DMAREQ1 3 /* S_DMA_2 */
#define OMAP24XX_DMA_GPMC 4 /* S_DMA_3 */
#define OMAP24XX_DMA_GFX 5 /* S_DMA_4 */
#define OMAP24XX_DMA_DSS 6 /* S_DMA_5 */
#define OMAP242X_DMA_VLYNQ_TX 7 /* S_DMA_6 */
#define OMAP24XX_DMA_EXT_DMAREQ2 7 /* S_DMA_6 */
#define OMAP24XX_DMA_CWT 8 /* S_DMA_7 */
#define OMAP24XX_DMA_AES_TX 9 /* S_DMA_8 */
#define OMAP24XX_DMA_AES_RX 10 /* S_DMA_9 */
#define OMAP24XX_DMA_DES_TX 11 /* S_DMA_10 */
#define OMAP24XX_DMA_DES_RX 12 /* S_DMA_11 */
#define OMAP24XX_DMA_SHA1MD5_RX 13 /* S_DMA_12 */
#define OMAP34XX_DMA_SHA2MD5_RX 13 /* S_DMA_12 */
#define OMAP242X_DMA_EXT_DMAREQ2 14 /* S_DMA_13 */
#define OMAP242X_DMA_EXT_DMAREQ3 15 /* S_DMA_14 */
#define OMAP242X_DMA_EXT_DMAREQ4 16 /* S_DMA_15 */
#define OMAP242X_DMA_EAC_AC_RD 17 /* S_DMA_16 */
#define OMAP242X_DMA_EAC_AC_WR 18 /* S_DMA_17 */
#define OMAP242X_DMA_EAC_MD_UL_RD 19 /* S_DMA_18 */
#define OMAP242X_DMA_EAC_MD_UL_WR 20 /* S_DMA_19 */
#define OMAP242X_DMA_EAC_MD_DL_RD 21 /* S_DMA_20 */
#define OMAP242X_DMA_EAC_MD_DL_WR 22 /* S_DMA_21 */
#define OMAP242X_DMA_EAC_BT_UL_RD 23 /* S_DMA_22 */
#define OMAP242X_DMA_EAC_BT_UL_WR 24 /* S_DMA_23 */
#define OMAP242X_DMA_EAC_BT_DL_RD 25 /* S_DMA_24 */
#define OMAP242X_DMA_EAC_BT_DL_WR 26 /* S_DMA_25 */
#define OMAP243X_DMA_EXT_DMAREQ3 14 /* S_DMA_13 */
#define OMAP24XX_DMA_SPI3_TX0 15 /* S_DMA_14 */
#define OMAP24XX_DMA_SPI3_RX0 16 /* S_DMA_15 */
#define OMAP24XX_DMA_MCBSP3_TX 17 /* S_DMA_16 */
#define OMAP24XX_DMA_MCBSP3_RX 18 /* S_DMA_17 */
#define OMAP24XX_DMA_MCBSP4_TX 19 /* S_DMA_18 */
#define OMAP24XX_DMA_MCBSP4_RX 20 /* S_DMA_19 */
#define OMAP24XX_DMA_MCBSP5_TX 21 /* S_DMA_20 */
#define OMAP24XX_DMA_MCBSP5_RX 22 /* S_DMA_21 */
#define OMAP24XX_DMA_SPI3_TX1 23 /* S_DMA_22 */
#define OMAP24XX_DMA_SPI3_RX1 24 /* S_DMA_23 */
#define OMAP243X_DMA_EXT_DMAREQ4 25 /* S_DMA_24 */
#define OMAP243X_DMA_EXT_DMAREQ5 26 /* S_DMA_25 */
#define OMAP34XX_DMA_I2C3_TX 25 /* S_DMA_24 */
#define OMAP34XX_DMA_I2C3_RX 26 /* S_DMA_25 */
#define OMAP24XX_DMA_I2C1_TX 27 /* S_DMA_26 */
#define OMAP24XX_DMA_I2C1_RX 28 /* S_DMA_27 */
#define OMAP24XX_DMA_I2C2_TX 29 /* S_DMA_28 */
#define OMAP24XX_DMA_I2C2_RX 30 /* S_DMA_29 */
#define OMAP24XX_DMA_MCBSP1_TX 31 /* S_DMA_30 */
#define OMAP24XX_DMA_MCBSP1_RX 32 /* S_DMA_31 */
#define OMAP24XX_DMA_MCBSP2_TX 33 /* S_DMA_32 */
#define OMAP24XX_DMA_MCBSP2_RX 34 /* S_DMA_33 */
#define OMAP24XX_DMA_SPI1_TX0 35 /* S_DMA_34 */
#define OMAP24XX_DMA_SPI1_RX0 36 /* S_DMA_35 */
#define OMAP24XX_DMA_SPI1_TX1 37 /* S_DMA_36 */
#define OMAP24XX_DMA_SPI1_RX1 38 /* S_DMA_37 */
#define OMAP24XX_DMA_SPI1_TX2 39 /* S_DMA_38 */
#define OMAP24XX_DMA_SPI1_RX2 40 /* S_DMA_39 */
#define OMAP24XX_DMA_SPI1_TX3 41 /* S_DMA_40 */
#define OMAP24XX_DMA_SPI1_RX3 42 /* S_DMA_41 */
#define OMAP24XX_DMA_SPI2_TX0 43 /* S_DMA_42 */
#define OMAP24XX_DMA_SPI2_RX0 44 /* S_DMA_43 */
#define OMAP24XX_DMA_SPI2_TX1 45 /* S_DMA_44 */
#define OMAP24XX_DMA_SPI2_RX1 46 /* S_DMA_45 */
#define OMAP24XX_DMA_MMC2_TX 47 /* S_DMA_46 */
#define OMAP24XX_DMA_MMC2_RX 48 /* S_DMA_47 */
#define OMAP24XX_DMA_UART1_TX 49 /* S_DMA_48 */
#define OMAP24XX_DMA_UART1_RX 50 /* S_DMA_49 */
#define OMAP24XX_DMA_UART2_TX 51 /* S_DMA_50 */
#define OMAP24XX_DMA_UART2_RX 52 /* S_DMA_51 */
#define OMAP24XX_DMA_UART3_TX 53 /* S_DMA_52 */
#define OMAP24XX_DMA_UART3_RX 54 /* S_DMA_53 */
#define OMAP24XX_DMA_USB_W2FC_TX0 55 /* S_DMA_54 */
#define OMAP24XX_DMA_USB_W2FC_RX0 56 /* S_DMA_55 */
#define OMAP24XX_DMA_USB_W2FC_TX1 57 /* S_DMA_56 */
#define OMAP24XX_DMA_USB_W2FC_RX1 58 /* S_DMA_57 */
#define OMAP24XX_DMA_USB_W2FC_TX2 59 /* S_DMA_58 */
#define OMAP24XX_DMA_USB_W2FC_RX2 60 /* S_DMA_59 */
#define OMAP24XX_DMA_MMC1_TX 61 /* S_DMA_60 */
#define OMAP24XX_DMA_MMC1_RX 62 /* S_DMA_61 */
#define OMAP24XX_DMA_MS 63 /* S_DMA_62 */
#define OMAP242X_DMA_EXT_DMAREQ5 64 /* S_DMA_63 */
#define OMAP243X_DMA_EXT_DMAREQ6 64 /* S_DMA_63 */
#define OMAP34XX_DMA_EXT_DMAREQ3 64 /* S_DMA_63 */
#define OMAP34XX_DMA_AES2_TX 65 /* S_DMA_64 */
#define OMAP34XX_DMA_AES2_RX 66 /* S_DMA_65 */
#define OMAP34XX_DMA_DES2_TX 67 /* S_DMA_66 */
#define OMAP34XX_DMA_DES2_RX 68 /* S_DMA_67 */
#define OMAP34XX_DMA_SHA1MD5_RX 69 /* S_DMA_68 */
#define OMAP34XX_DMA_SPI4_TX0 70 /* S_DMA_69 */
#define OMAP34XX_DMA_SPI4_RX0 71 /* S_DMA_70 */
#define OMAP34XX_DSS_DMA0 72 /* S_DMA_71 */
#define OMAP34XX_DSS_DMA1 73 /* S_DMA_72 */
#define OMAP34XX_DSS_DMA2 74 /* S_DMA_73 */
#define OMAP34XX_DSS_DMA3 75 /* S_DMA_74 */
#define OMAP34XX_DMA_MMC3_TX 77 /* S_DMA_76 */
#define OMAP34XX_DMA_MMC3_RX 78 /* S_DMA_77 */
#define OMAP34XX_DMA_USIM_TX 79 /* S_DMA_78 */
#define OMAP34XX_DMA_USIM_RX 80 /* S_DMA_79 */
/* DMA request lines for 44xx */
#define OMAP44XX_DMA_DSS_DISPC_REQ 6 /* S_DMA_5 */
#define OMAP44XX_DMA_SYS_REQ2 7 /* S_DMA_6 */
#define OMAP44XX_DMA_ISS_REQ1 9 /* S_DMA_8 */
#define OMAP44XX_DMA_ISS_REQ2 10 /* S_DMA_9 */
#define OMAP44XX_DMA_ISS_REQ3 12 /* S_DMA_11 */
#define OMAP44XX_DMA_ISS_REQ4 13 /* S_DMA_12 */
#define OMAP44XX_DMA_DSS_RFBI_REQ 14 /* S_DMA_13 */
#define OMAP44XX_DMA_SPI3_TX0 15 /* S_DMA_14 */
#define OMAP44XX_DMA_SPI3_RX0 16 /* S_DMA_15 */
#define OMAP44XX_DMA_MCBSP2_TX 17 /* S_DMA_16 */
#define OMAP44XX_DMA_MCBSP2_RX 18 /* S_DMA_17 */
#define OMAP44XX_DMA_MCBSP3_TX 19 /* S_DMA_18 */
#define OMAP44XX_DMA_MCBSP3_RX 20 /* S_DMA_19 */
#define OMAP44XX_DMA_SPI3_TX1 23 /* S_DMA_22 */
#define OMAP44XX_DMA_SPI3_RX1 24 /* S_DMA_23 */
#define OMAP44XX_DMA_I2C3_TX 25 /* S_DMA_24 */
#define OMAP44XX_DMA_I2C3_RX 26 /* S_DMA_25 */
#define OMAP44XX_DMA_I2C1_TX 27 /* S_DMA_26 */
#define OMAP44XX_DMA_I2C1_RX 28 /* S_DMA_27 */
#define OMAP44XX_DMA_I2C2_TX 29 /* S_DMA_28 */
#define OMAP44XX_DMA_I2C2_RX 30 /* S_DMA_29 */
#define OMAP44XX_DMA_MCBSP4_TX 31 /* S_DMA_30 */
#define OMAP44XX_DMA_MCBSP4_RX 32 /* S_DMA_31 */
#define OMAP44XX_DMA_MCBSP1_TX 33 /* S_DMA_32 */
#define OMAP44XX_DMA_MCBSP1_RX 34 /* S_DMA_33 */
#define OMAP44XX_DMA_SPI1_TX0 35 /* S_DMA_34 */
#define OMAP44XX_DMA_SPI1_RX0 36 /* S_DMA_35 */
#define OMAP44XX_DMA_SPI1_TX1 37 /* S_DMA_36 */
#define OMAP44XX_DMA_SPI1_RX1 38 /* S_DMA_37 */
#define OMAP44XX_DMA_SPI1_TX2 39 /* S_DMA_38 */
#define OMAP44XX_DMA_SPI1_RX2 40 /* S_DMA_39 */
#define OMAP44XX_DMA_SPI1_TX3 41 /* S_DMA_40 */
#define OMAP44XX_DMA_SPI1_RX3 42 /* S_DMA_41 */
#define OMAP44XX_DMA_SPI2_TX0 43 /* S_DMA_42 */
#define OMAP44XX_DMA_SPI2_RX0 44 /* S_DMA_43 */
#define OMAP44XX_DMA_SPI2_TX1 45 /* S_DMA_44 */
#define OMAP44XX_DMA_SPI2_RX1 46 /* S_DMA_45 */
#define OMAP44XX_DMA_MMC2_TX 47 /* S_DMA_46 */
#define OMAP44XX_DMA_MMC2_RX 48 /* S_DMA_47 */
#define OMAP44XX_DMA_UART1_TX 49 /* S_DMA_48 */
#define OMAP44XX_DMA_UART1_RX 50 /* S_DMA_49 */
#define OMAP44XX_DMA_UART2_TX 51 /* S_DMA_50 */
#define OMAP44XX_DMA_UART2_RX 52 /* S_DMA_51 */
#define OMAP44XX_DMA_UART3_TX 53 /* S_DMA_52 */
#define OMAP44XX_DMA_UART3_RX 54 /* S_DMA_53 */
#define OMAP44XX_DMA_UART4_TX 55 /* S_DMA_54 */
#define OMAP44XX_DMA_UART4_RX 56 /* S_DMA_55 */
#define OMAP44XX_DMA_MMC4_TX 57 /* S_DMA_56 */
#define OMAP44XX_DMA_MMC4_RX 58 /* S_DMA_57 */
#define OMAP44XX_DMA_MMC5_TX 59 /* S_DMA_58 */
#define OMAP44XX_DMA_MMC5_RX 60 /* S_DMA_59 */
#define OMAP44XX_DMA_MMC1_TX 61 /* S_DMA_60 */
#define OMAP44XX_DMA_MMC1_RX 62 /* S_DMA_61 */
#define OMAP44XX_DMA_SYS_REQ3 64 /* S_DMA_63 */
#define OMAP44XX_DMA_MCPDM_UP 65 /* S_DMA_64 */
#define OMAP44XX_DMA_MCPDM_DL 66 /* S_DMA_65 */
#define OMAP44XX_DMA_SPI4_TX0 70 /* S_DMA_69 */
#define OMAP44XX_DMA_SPI4_RX0 71 /* S_DMA_70 */
#define OMAP44XX_DMA_DSS_DSI1_REQ0 72 /* S_DMA_71 */
#define OMAP44XX_DMA_DSS_DSI1_REQ1 73 /* S_DMA_72 */
#define OMAP44XX_DMA_DSS_DSI1_REQ2 74 /* S_DMA_73 */
#define OMAP44XX_DMA_DSS_DSI1_REQ3 75 /* S_DMA_74 */
#define OMAP44XX_DMA_DSS_HDMI_REQ 76 /* S_DMA_75 */
#define OMAP44XX_DMA_MMC3_TX 77 /* S_DMA_76 */
#define OMAP44XX_DMA_MMC3_RX 78 /* S_DMA_77 */
#define OMAP44XX_DMA_USIM_TX 79 /* S_DMA_78 */
#define OMAP44XX_DMA_USIM_RX 80 /* S_DMA_79 */
#define OMAP44XX_DMA_DSS_DSI2_REQ0 81 /* S_DMA_80 */
#define OMAP44XX_DMA_DSS_DSI2_REQ1 82 /* S_DMA_81 */
#define OMAP44XX_DMA_DSS_DSI2_REQ2 83 /* S_DMA_82 */
#define OMAP44XX_DMA_DSS_DSI2_REQ3 84 /* S_DMA_83 */
#define OMAP44XX_DMA_ABE_REQ0 101 /* S_DMA_100 */
#define OMAP44XX_DMA_ABE_REQ1 102 /* S_DMA_101 */
#define OMAP44XX_DMA_ABE_REQ2 103 /* S_DMA_102 */
#define OMAP44XX_DMA_ABE_REQ3 104 /* S_DMA_103 */
#define OMAP44XX_DMA_ABE_REQ4 105 /* S_DMA_104 */
#define OMAP44XX_DMA_ABE_REQ5 106 /* S_DMA_105 */
#define OMAP44XX_DMA_ABE_REQ6 107 /* S_DMA_106 */
#define OMAP44XX_DMA_ABE_REQ7 108 /* S_DMA_107 */
#define OMAP44XX_DMA_I2C4_TX 124 /* S_DMA_123 */
#define OMAP44XX_DMA_I2C4_RX 125 /* S_DMA_124 */
/*----------------------------------------------------------------------------*/
#define OMAP1_DMA_TOUT_IRQ (1 << 0)
#define OMAP_DMA_DROP_IRQ (1 << 1)
#define OMAP_DMA_HALF_IRQ (1 << 2)
#define OMAP_DMA_FRAME_IRQ (1 << 3)
#define OMAP_DMA_LAST_IRQ (1 << 4)
#define OMAP_DMA_BLOCK_IRQ (1 << 5)
#define OMAP1_DMA_SYNC_IRQ (1 << 6)
#define OMAP2_DMA_PKT_IRQ (1 << 7)
#define OMAP2_DMA_TRANS_ERR_IRQ (1 << 8)
#define OMAP2_DMA_SECURE_ERR_IRQ (1 << 9)
#define OMAP2_DMA_SUPERVISOR_ERR_IRQ (1 << 10)
#define OMAP2_DMA_MISALIGNED_ERR_IRQ (1 << 11)
#define OMAP_DMA_CCR_EN (1 << 7)
#define OMAP_DMA_DATA_TYPE_S8 0x00
#define OMAP_DMA_DATA_TYPE_S16 0x01
#define OMAP_DMA_DATA_TYPE_S32 0x02
#define OMAP_DMA_SYNC_ELEMENT 0x00
#define OMAP_DMA_SYNC_FRAME 0x01
#define OMAP_DMA_SYNC_BLOCK 0x02
#define OMAP_DMA_SYNC_PACKET 0x03
#define OMAP_DMA_SRC_SYNC 0x01
#define OMAP_DMA_DST_SYNC 0x00
#define OMAP_DMA_PORT_EMIFF 0x00
#define OMAP_DMA_PORT_EMIFS 0x01
#define OMAP_DMA_PORT_OCP_T1 0x02
#define OMAP_DMA_PORT_TIPB 0x03
#define OMAP_DMA_PORT_OCP_T2 0x04
#define OMAP_DMA_PORT_MPUI 0x05
#define OMAP_DMA_AMODE_CONSTANT 0x00
#define OMAP_DMA_AMODE_POST_INC 0x01
#define OMAP_DMA_AMODE_SINGLE_IDX 0x02
#define OMAP_DMA_AMODE_DOUBLE_IDX 0x03
#define DMA_DEFAULT_FIFO_DEPTH 0x10
#define DMA_DEFAULT_ARB_RATE 0x01
/* Pass THREAD_RESERVE ORed with THREAD_FIFO for tparams */
#define DMA_THREAD_RESERVE_NORM (0x00 << 12) /* Def */
#define DMA_THREAD_RESERVE_ONET (0x01 << 12)
#define DMA_THREAD_RESERVE_TWOT (0x02 << 12)
#define DMA_THREAD_RESERVE_THREET (0x03 << 12)
#define DMA_THREAD_FIFO_NONE (0x00 << 14) /* Def */
#define DMA_THREAD_FIFO_75 (0x01 << 14)
#define DMA_THREAD_FIFO_25 (0x02 << 14)
#define DMA_THREAD_FIFO_50 (0x03 << 14)
/* DMA4_OCP_SYSCONFIG bits */
#define DMA_SYSCONFIG_MIDLEMODE_MASK (3 << 12)
#define DMA_SYSCONFIG_CLOCKACTIVITY_MASK (3 << 8)
#define DMA_SYSCONFIG_EMUFREE (1 << 5)
#define DMA_SYSCONFIG_SIDLEMODE_MASK (3 << 3)
#define DMA_SYSCONFIG_SOFTRESET (1 << 2)
#define DMA_SYSCONFIG_AUTOIDLE (1 << 0)
#define DMA_SYSCONFIG_MIDLEMODE(n) ((n) << 12)
#define DMA_SYSCONFIG_SIDLEMODE(n) ((n) << 3)
#define DMA_IDLEMODE_SMARTIDLE 0x2
#define DMA_IDLEMODE_NO_IDLE 0x1
#define DMA_IDLEMODE_FORCE_IDLE 0x0
/* Chaining modes*/
#ifndef CONFIG_ARCH_OMAP1
#define OMAP_DMA_STATIC_CHAIN 0x1
#define OMAP_DMA_DYNAMIC_CHAIN 0x2
#define OMAP_DMA_CHAIN_ACTIVE 0x1
#define OMAP_DMA_CHAIN_INACTIVE 0x0
#endif
#define DMA_CH_PRIO_HIGH 0x1
#define DMA_CH_PRIO_LOW 0x0 /* Def */
enum omap_dma_burst_mode {
OMAP_DMA_DATA_BURST_DIS = 0,
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_sglist_type1_params {
u32 src_addr;
u32 dst_addr;
u16 cfn_fn;
u16 cicr;
u16 dst_elem_idx;
u16 src_elem_idx;
u32 dst_frame_idx_or_pkt_size;
u32 src_frame_idx_or_pkt_size;
u32 color;
u32 csdp;
u32 clnk_ctrl;
u32 ccr;
};
struct omap_dma_sglist_type2a_params {
u32 src_addr;
u32 dst_addr;
u16 cfn_fn;
u16 cicr;
u16 dst_elem_idx;
u16 src_elem_idx;
u32 dst_frame_idx_or_pkt_size;
u32 src_frame_idx_or_pkt_size;
};
struct omap_dma_sglist_type2b_params {
u32 src_or_dest_addr;
u16 cfn_fn;
u16 cicr;
u16 dst_elem_idx;
u16 src_elem_idx;
u32 dst_frame_idx_or_pkt_size;
u32 src_frame_idx_or_pkt_size;
};
struct omap_dma_sglist_type3a_params {
u32 src_addr;
u32 dst_addr;
};
struct omap_dma_sglist_type3b_params {
u32 src_or_dest_addr;
};
enum omap_dma_sglist_descriptor_select {
OMAP_DMA_SGLIST_DESCRIPTOR_TYPE1,
OMAP_DMA_SGLIST_DESCRIPTOR_TYPE2a,
OMAP_DMA_SGLIST_DESCRIPTOR_TYPE2b,
OMAP_DMA_SGLIST_DESCRIPTOR_TYPE3a,
OMAP_DMA_SGLIST_DESCRIPTOR_TYPE3b,
};
union omap_dma_sglist_node_type{
struct omap_dma_sglist_type1_params t1;
struct omap_dma_sglist_type2a_params t2a;
struct omap_dma_sglist_type2b_params t2b;
struct omap_dma_sglist_type3a_params t3a;
struct omap_dma_sglist_type3b_params t3b;
};
struct omap_dma_sglist_node {
/* Common elements for all descriptors */
u32 next_desc_add_ptr;
u32 num_of_elem;
/* Type specific elements */
union omap_dma_sglist_node_type sg_node;
/* Control fields */
int flags;
/* Fields that can be set in flags variable */
#define OMAP_DMA_LIST_SRC_VALID (1)
#define OMAP_DMA_LIST_DST_VALID (2)
#define OMAP_DMA_LIST_NOTIFY_BLOCK_END (4)
u32 desc_type;
struct omap_dma_sglist_node *next;
};
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
/* omap_request_dma_sglist:
* Request to setup a DMA channel to transfer in linked list mode of nelem
* elements. The memory for the list will be allocated and returned in
* elems structure
*/
extern int omap_request_dma_sglist(int dev_id, const char *dev_name,
void (*callback) (int channel_id, u16 ch_status, void *data),
int *listid, int nelem, struct omap_dma_sglist_node **elems);
/* omap_set_dma_sglist_params
* Provide the configuration parameters for the sglist channel
* sghead should contain a fully populated list of nelems
* which completely describe the transfer. chparams, if not NULL, will
* set the appropriate parameters directly into the DMA register.
* If chparams is NULL, fastmode will be enabled automatically
*/
extern int omap_set_dma_sglist_params(const int listid,
struct omap_dma_sglist_node *sghead,
struct omap_dma_channel_params *chparams);
/* omap_start_dma_sglist_transfers
* Starts the linked list based DMA transfer for the specified listid
* If no pause is required, -1 is to be set in pauseafter.
* Else, the transfer will suspend after pauseafter elements.
*/
extern int omap_start_dma_sglist_transfers(const int listid,
const int pauseafter);
/* omap_resume_dma_sglist_transfers
* Resumes the previously paused transfer.
* Can be again set to pause at pauseafter node of the linked list
* The index is absolute (from the head of the list)
*/
extern int omap_resume_dma_sglist_transfers(const int listid,
const int pauseafter);
/* omap_release_dma_sglist
* Releases the list based DMA channel and the associated list descriptors
*/
extern int omap_release_dma_sglist(const int listid);
/* omap_get_completed_sglist_nodes
* Returns the number of completed elements in the linked list
* The value is transient if the API is invoked for an ongoing transfer
*/
int omap_get_completed_sglist_nodes(const int listid);
/* omap_dma_sglist_is_paused
* Returns non zero if the linked list is currently in pause state
*/
int omap_dma_sglist_is_paused(const int listid);
/* omap_dma_set_sglist_fastmode
* Set or clear the fastmode status of the transfer
* In fastmode, DMA register settings are updated from the first element
* of the linked list, before initiating the tranfer.
* In non-fastmode, the first element is used only after completing the
* transfer as already configured in the registers
*/
void omap_dma_set_sglist_fastmode(const int listid, const int fastmode);
#endif /* __ASM_ARCH_DMA_H */