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linux-stable-rt/include/asm-arm/arch-omap/dma.h

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/*
* linux/include/asm-arm/arch-omap/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 OMAP_DMA_BASE (0xfffed800)
#define OMAP_DMA_GCR (OMAP_DMA_BASE + 0x400)
#define OMAP_DMA_GSCR (OMAP_DMA_BASE + 0x404)
#define OMAP_DMA_GRST (OMAP_DMA_BASE + 0x408)
#define OMAP_DMA_HW_ID (OMAP_DMA_BASE + 0x442)
#define OMAP_DMA_PCH2_ID (OMAP_DMA_BASE + 0x444)
#define OMAP_DMA_PCH0_ID (OMAP_DMA_BASE + 0x446)
#define OMAP_DMA_PCH1_ID (OMAP_DMA_BASE + 0x448)
#define OMAP_DMA_PCHG_ID (OMAP_DMA_BASE + 0x44a)
#define OMAP_DMA_PCHD_ID (OMAP_DMA_BASE + 0x44c)
#define OMAP_DMA_CAPS_0_U (OMAP_DMA_BASE + 0x44e)
#define OMAP_DMA_CAPS_0_L (OMAP_DMA_BASE + 0x450)
#define OMAP_DMA_CAPS_1_U (OMAP_DMA_BASE + 0x452)
#define OMAP_DMA_CAPS_1_L (OMAP_DMA_BASE + 0x454)
#define OMAP_DMA_CAPS_2 (OMAP_DMA_BASE + 0x456)
#define OMAP_DMA_CAPS_3 (OMAP_DMA_BASE + 0x458)
#define OMAP_DMA_CAPS_4 (OMAP_DMA_BASE + 0x45a)
#define OMAP_DMA_PCH2_SR (OMAP_DMA_BASE + 0x460)
#define OMAP_DMA_PCH0_SR (OMAP_DMA_BASE + 0x480)
#define OMAP_DMA_PCH1_SR (OMAP_DMA_BASE + 0x482)
#define OMAP_DMA_PCHD_SR (OMAP_DMA_BASE + 0x4c0)
/* Hardware registers for omap2 */
#if defined(CONFIG_ARCH_OMAP3)
#define OMAP_DMA4_BASE (L4_34XX_BASE + 0x56000)
#else /* CONFIG_ARCH_OMAP2 */
#define OMAP_DMA4_BASE (L4_24XX_BASE + 0x56000)
#endif
#define OMAP_DMA4_REVISION (OMAP_DMA4_BASE + 0x00)
#define OMAP_DMA4_GCR_REG (OMAP_DMA4_BASE + 0x78)
#define OMAP_DMA4_IRQSTATUS_L0 (OMAP_DMA4_BASE + 0x08)
#define OMAP_DMA4_IRQSTATUS_L1 (OMAP_DMA4_BASE + 0x0c)
#define OMAP_DMA4_IRQSTATUS_L2 (OMAP_DMA4_BASE + 0x10)
#define OMAP_DMA4_IRQSTATUS_L3 (OMAP_DMA4_BASE + 0x14)
#define OMAP_DMA4_IRQENABLE_L0 (OMAP_DMA4_BASE + 0x18)
#define OMAP_DMA4_IRQENABLE_L1 (OMAP_DMA4_BASE + 0x1c)
#define OMAP_DMA4_IRQENABLE_L2 (OMAP_DMA4_BASE + 0x20)
#define OMAP_DMA4_IRQENABLE_L3 (OMAP_DMA4_BASE + 0x24)
#define OMAP_DMA4_SYSSTATUS (OMAP_DMA4_BASE + 0x28)
#define OMAP_DMA4_OCP_SYSCONFIG (OMAP_DMA4_BASE + 0x2c)
#define OMAP_DMA4_CAPS_0 (OMAP_DMA4_BASE + 0x64)
#define OMAP_DMA4_CAPS_2 (OMAP_DMA4_BASE + 0x6c)
#define OMAP_DMA4_CAPS_3 (OMAP_DMA4_BASE + 0x70)
#define OMAP_DMA4_CAPS_4 (OMAP_DMA4_BASE + 0x74)
#ifdef CONFIG_ARCH_OMAP1
#define OMAP_LOGICAL_DMA_CH_COUNT 17
/* Common channel specific registers for omap1 */
#define OMAP_DMA_CSDP_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x00)
#define OMAP_DMA_CCR_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x02)
#define OMAP_DMA_CICR_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x04)
#define OMAP_DMA_CSR_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x06)
#define OMAP_DMA_CEN_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x10)
#define OMAP_DMA_CFN_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x12)
#define OMAP_DMA_CSFI_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x14)
#define OMAP_DMA_CSEI_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x16)
#define OMAP_DMA_CSAC_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x18)
#define OMAP_DMA_CDAC_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x1a)
#define OMAP_DMA_CDEI_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x1c)
#define OMAP_DMA_CDFI_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x1e)
#define OMAP_DMA_CLNK_CTRL_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x28)
#else
#define OMAP_LOGICAL_DMA_CH_COUNT 32 /* REVISIT: Is this 32 + 2? */
/* Common channel specific registers for omap2 */
#define OMAP_DMA_CCR_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0x80)
#define OMAP_DMA_CLNK_CTRL_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0x84)
#define OMAP_DMA_CICR_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0x88)
#define OMAP_DMA_CSR_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0x8c)
#define OMAP_DMA_CSDP_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0x90)
#define OMAP_DMA_CEN_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0x94)
#define OMAP_DMA_CFN_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0x98)
#define OMAP_DMA_CSEI_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0xa4)
#define OMAP_DMA_CSFI_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0xa8)
#define OMAP_DMA_CDEI_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0xac)
#define OMAP_DMA_CDFI_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0xb0)
#define OMAP_DMA_CSAC_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0xb4)
#define OMAP_DMA_CDAC_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0xb8)
#endif
/* Channel specific registers only on omap1 */
#define OMAP1_DMA_CSSA_L_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x08)
#define OMAP1_DMA_CSSA_U_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x0a)
#define OMAP1_DMA_CDSA_L_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x0c)
#define OMAP1_DMA_CDSA_U_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x0e)
#define OMAP1_DMA_COLOR_L_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x20)
#define OMAP1_DMA_CCR2_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x24)
#define OMAP1_DMA_COLOR_U_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x22)
#define OMAP1_DMA_LCH_CTRL_REG(n) __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x2a)
/* Channel specific registers only on omap2 */
#define OMAP2_DMA_CSSA_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0x9c)
#define OMAP2_DMA_CDSA_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0xa0)
#define OMAP2_DMA_CCEN_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0xbc)
#define OMAP2_DMA_CCFN_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0xc0)
#define OMAP2_DMA_COLOR_REG(n) __REG32(OMAP_DMA4_BASE + 0x60 * (n) + 0xc4)
/*----------------------------------------------------------------------------*/
/* 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 OMAP24XX_DMA_VLYNQ_TX 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 OMAP24XX_DMA_EXT_DMAREQ2 14 /* S_DMA_13 */
#define OMAP24XX_DMA_EXT_DMAREQ3 15 /* S_DMA_14 */
#define OMAP24XX_DMA_EXT_DMAREQ4 16 /* S_DMA_15 */
#define OMAP24XX_DMA_EAC_AC_RD 17 /* S_DMA_16 */
#define OMAP24XX_DMA_EAC_AC_WR 18 /* S_DMA_17 */
#define OMAP24XX_DMA_EAC_MD_UL_RD 19 /* S_DMA_18 */
#define OMAP24XX_DMA_EAC_MD_UL_WR 20 /* S_DMA_19 */
#define OMAP24XX_DMA_EAC_MD_DL_RD 21 /* S_DMA_20 */
#define OMAP24XX_DMA_EAC_MD_DL_WR 22 /* S_DMA_21 */
#define OMAP24XX_DMA_EAC_BT_UL_RD 23 /* S_DMA_22 */
#define OMAP24XX_DMA_EAC_BT_UL_WR 24 /* S_DMA_23 */
#define OMAP24XX_DMA_EAC_BT_DL_RD 25 /* S_DMA_24 */
#define OMAP24XX_DMA_EAC_BT_DL_WR 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 /* SDMA_30 */
#define OMAP24XX_DMA_MCBSP1_RX 32 /* SDMA_31 */
#define OMAP24XX_DMA_MCBSP2_TX 33 /* SDMA_32 */
#define OMAP24XX_DMA_MCBSP2_RX 34 /* SDMA_33 */
#define OMAP24XX_DMA_SPI1_TX0 35 /* SDMA_34 */
#define OMAP24XX_DMA_SPI1_RX0 36 /* SDMA_35 */
#define OMAP24XX_DMA_SPI1_TX1 37 /* SDMA_36 */
#define OMAP24XX_DMA_SPI1_RX1 38 /* SDMA_37 */
#define OMAP24XX_DMA_SPI1_TX2 39 /* SDMA_38 */
#define OMAP24XX_DMA_SPI1_RX2 40 /* SDMA_39 */
#define OMAP24XX_DMA_SPI1_TX3 41 /* SDMA_40 */
#define OMAP24XX_DMA_SPI1_RX3 42 /* SDMA_41 */
#define OMAP24XX_DMA_SPI2_TX0 43 /* SDMA_42 */
#define OMAP24XX_DMA_SPI2_RX0 44 /* SDMA_43 */
#define OMAP24XX_DMA_SPI2_TX1 45 /* SDMA_44 */
#define OMAP24XX_DMA_SPI2_RX1 46 /* SDMA_45 */
#define OMAP24XX_DMA_UART1_TX 49 /* SDMA_48 */
#define OMAP24XX_DMA_UART1_RX 50 /* SDMA_49 */
#define OMAP24XX_DMA_UART2_TX 51 /* SDMA_50 */
#define OMAP24XX_DMA_UART2_RX 52 /* SDMA_51 */
#define OMAP24XX_DMA_UART3_TX 53 /* SDMA_52 */
#define OMAP24XX_DMA_UART3_RX 54 /* SDMA_53 */
#define OMAP24XX_DMA_USB_W2FC_TX0 55 /* SDMA_54 */
#define OMAP24XX_DMA_USB_W2FC_RX0 56 /* SDMA_55 */
#define OMAP24XX_DMA_USB_W2FC_TX1 57 /* SDMA_56 */
#define OMAP24XX_DMA_USB_W2FC_RX1 58 /* SDMA_57 */
#define OMAP24XX_DMA_USB_W2FC_TX2 59 /* SDMA_58 */
#define OMAP24XX_DMA_USB_W2FC_RX2 60 /* SDMA_59 */
#define OMAP24XX_DMA_MMC1_TX 61 /* SDMA_60 */
#define OMAP24XX_DMA_MMC1_RX 62 /* SDMA_61 */
#define OMAP24XX_DMA_MS 63 /* SDMA_62 */
#define OMAP24XX_DMA_EXT_DMAREQ5 64 /* S_DMA_63 */
/*----------------------------------------------------------------------------*/
/* Hardware registers for LCD DMA */
#define OMAP1510_DMA_LCD_BASE (0xfffedb00)
#define OMAP1510_DMA_LCD_CTRL (OMAP1510_DMA_LCD_BASE + 0x00)
#define OMAP1510_DMA_LCD_TOP_F1_L (OMAP1510_DMA_LCD_BASE + 0x02)
#define OMAP1510_DMA_LCD_TOP_F1_U (OMAP1510_DMA_LCD_BASE + 0x04)
#define OMAP1510_DMA_LCD_BOT_F1_L (OMAP1510_DMA_LCD_BASE + 0x06)
#define OMAP1510_DMA_LCD_BOT_F1_U (OMAP1510_DMA_LCD_BASE + 0x08)
#define OMAP1610_DMA_LCD_BASE (0xfffee300)
#define OMAP1610_DMA_LCD_CSDP (OMAP1610_DMA_LCD_BASE + 0xc0)
#define OMAP1610_DMA_LCD_CCR (OMAP1610_DMA_LCD_BASE + 0xc2)
#define OMAP1610_DMA_LCD_CTRL (OMAP1610_DMA_LCD_BASE + 0xc4)
#define OMAP1610_DMA_LCD_TOP_B1_L (OMAP1610_DMA_LCD_BASE + 0xc8)
#define OMAP1610_DMA_LCD_TOP_B1_U (OMAP1610_DMA_LCD_BASE + 0xca)
#define OMAP1610_DMA_LCD_BOT_B1_L (OMAP1610_DMA_LCD_BASE + 0xcc)
#define OMAP1610_DMA_LCD_BOT_B1_U (OMAP1610_DMA_LCD_BASE + 0xce)
#define OMAP1610_DMA_LCD_TOP_B2_L (OMAP1610_DMA_LCD_BASE + 0xd0)
#define OMAP1610_DMA_LCD_TOP_B2_U (OMAP1610_DMA_LCD_BASE + 0xd2)
#define OMAP1610_DMA_LCD_BOT_B2_L (OMAP1610_DMA_LCD_BASE + 0xd4)
#define OMAP1610_DMA_LCD_BOT_B2_U (OMAP1610_DMA_LCD_BASE + 0xd6)
#define OMAP1610_DMA_LCD_SRC_EI_B1 (OMAP1610_DMA_LCD_BASE + 0xd8)
#define OMAP1610_DMA_LCD_SRC_FI_B1_L (OMAP1610_DMA_LCD_BASE + 0xda)
#define OMAP1610_DMA_LCD_SRC_EN_B1 (OMAP1610_DMA_LCD_BASE + 0xe0)
#define OMAP1610_DMA_LCD_SRC_FN_B1 (OMAP1610_DMA_LCD_BASE + 0xe4)
#define OMAP1610_DMA_LCD_LCH_CTRL (OMAP1610_DMA_LCD_BASE + 0xea)
#define OMAP1610_DMA_LCD_SRC_FI_B1_U (OMAP1610_DMA_LCD_BASE + 0xf4)
#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_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)
/* 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 */
/* LCD DMA block numbers */
enum {
OMAP_LCD_DMA_B1_TOP,
OMAP_LCD_DMA_B1_BOTTOM,
OMAP_LCD_DMA_B2_TOP,
OMAP_LCD_DMA_B2_BOTTOM
};
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 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
};
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
};
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_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 int omap_get_dma_src_addr_counter(int lch);
extern void omap_clear_dma(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);
/* Chaining APIs */
#ifndef CONFIG_ARCH_OMAP1
extern int omap_request_dma_chain(int dev_id, const char *dev_name,
void (*callback) (int chain_id, 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
/* LCD DMA functions */
extern int omap_request_lcd_dma(void (* callback)(u16 status, void *data),
void *data);
extern void omap_free_lcd_dma(void);
extern void omap_setup_lcd_dma(void);
extern void omap_enable_lcd_dma(void);
extern void omap_stop_lcd_dma(void);
extern void omap_set_lcd_dma_ext_controller(int external);
extern void omap_set_lcd_dma_single_transfer(int single);
extern void omap_set_lcd_dma_b1(unsigned long addr, u16 fb_xres, u16 fb_yres,
int data_type);
extern void omap_set_lcd_dma_b1_rotation(int rotate);
extern void omap_set_lcd_dma_b1_vxres(unsigned long vxres);
extern void omap_set_lcd_dma_b1_mirror(int mirror);
extern void omap_set_lcd_dma_b1_scale(unsigned int xscale, unsigned int yscale);
#endif /* __ASM_ARCH_DMA_H */
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