Added missing tegra files.HEADmaster

1 files changed, 538 insertions, 0 deletions

diff --git a/arch/arm/plat-omap/include/plat/dma.h b/arch/arm/plat-omap/include/plat/dma.h
new file mode 100644
index 00000000000..dc562a5c0a8
--- /dev/null
+++ b/arch/arm/plat-omap/include/plat/dma.h
@@ -0,0 +1,538 @@
+/*
+ *  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
+
+#include <linux/platform_device.h>
+
+/*
+ * TODO: These dma channel defines should go away once all
+ * the omap drivers hwmod adapted.
+ */
+
+/* Move omap4 specific defines to dma-44xx.h */
+#include "dma-44xx.h"
+
+/* 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 */
+
+#define OMAP36XX_DMA_UART4_TX           81      /* S_DMA_80 */
+#define OMAP36XX_DMA_UART4_RX           82      /* S_DMA_81 */
+
+/* Only for AM35xx */
+#define AM35XX_DMA_UART4_TX             54
+#define AM35XX_DMA_UART4_RX             55
+
+/*----------------------------------------------------------------------------*/
+
+#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_CCR_RD_ACTIVE          (1 << 9)
+#define OMAP_DMA_CCR_WR_ACTIVE          (1 << 10)
+#define OMAP_DMA_CCR_SEL_SRC_DST_SYNC   (1 << 24)
+#define OMAP_DMA_CCR_BUFFERING_DISABLE  (1 << 25)
+
+#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_DST_SYNC_PREFETCH      0x02
+#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 */
+
+/* Errata handling */
+#define IS_DMA_ERRATA(id)               (errata & (id))
+#define SET_DMA_ERRATA(id)              (errata |= (id))
+
+#define DMA_ERRATA_IFRAME_BUFFERING     BIT(0x0)
+#define DMA_ERRATA_PARALLEL_CHANNELS    BIT(0x1)
+#define DMA_ERRATA_i378                 BIT(0x2)
+#define DMA_ERRATA_i541                 BIT(0x3)
+#define DMA_ERRATA_i88                  BIT(0x4)
+#define DMA_ERRATA_3_3                  BIT(0x5)
+#define DMA_ROMCODE_BUG                 BIT(0x6)
+
+/* Attributes for OMAP DMA Contrller */
+#define DMA_LINKED_LCH                  BIT(0x0)
+#define GLOBAL_PRIORITY                 BIT(0x1)
+#define RESERVE_CHANNEL                 BIT(0x2)
+#define IS_CSSA_32                      BIT(0x3)
+#define IS_CDSA_32                      BIT(0x4)
+#define IS_RW_PRIORITY                  BIT(0x5)
+#define ENABLE_1510_MODE                BIT(0x6)
+#define SRC_PORT                        BIT(0x7)
+#define DST_PORT                        BIT(0x8)
+#define SRC_INDEX                       BIT(0x9)
+#define DST_INDEX                       BIT(0xA)
+#define IS_BURST_ONLY4                  BIT(0xB)
+#define CLEAR_CSR_ON_READ               BIT(0xC)
+#define IS_WORD_16                      BIT(0xD)
+
+enum omap_reg_offsets {
+
+GCR,            GSCR,           GRST1,          HW_ID,
+PCH2_ID,        PCH0_ID,        PCH1_ID,        PCHG_ID,
+PCHD_ID,        CAPS_0,         CAPS_1,         CAPS_2,
+CAPS_3,         CAPS_4,         PCH2_SR,        PCH0_SR,
+PCH1_SR,        PCHD_SR,        REVISION,       IRQSTATUS_L0,
+IRQSTATUS_L1,   IRQSTATUS_L2,   IRQSTATUS_L3,   IRQENABLE_L0,
+IRQENABLE_L1,   IRQENABLE_L2,   IRQENABLE_L3,   SYSSTATUS,
+OCP_SYSCONFIG,
+
+/* omap1+ specific */
+CPC, CCR2, LCH_CTRL,
+
+/* Common registers for all omap's */
+CSDP,           CCR,            CICR,           CSR,
+CEN,            CFN,            CSFI,           CSEI,
+CSAC,           CDAC,           CDEI,
+CDFI,           CLNK_CTRL,
+
+/* Channel specific registers */
+CSSA,           CDSA,           COLOR,
+CCEN,           CCFN,
+
+/* omap3630 and omap4 specific */
+CDP,            CNDP,           CCDN,
+
+};
+
+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_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 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 */