include/asm-arm/arch-omap/dma.h

   1 /*
   2  *  linux/include/asm-arm/arch-omap/dma.h
   3  *
   4  *  Copyright (C) 2003 Nokia Corporation
   5  *  Author: Juha Yrjölä <juha.yrjola@nokia.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  20  */
  21 #ifndef __ASM_ARCH_DMA_H
  22 #define __ASM_ARCH_DMA_H
  23
  24 /* Hardware registers for omap1 */
  25 #define OMAP_DMA_BASE                   (0xfffed800)
  26 #define OMAP_DMA_GCR                    (OMAP_DMA_BASE + 0x400)
  27 #define OMAP_DMA_GSCR                   (OMAP_DMA_BASE + 0x404)
  28 #define OMAP_DMA_GRST                   (OMAP_DMA_BASE + 0x408)
  29 #define OMAP_DMA_HW_ID                  (OMAP_DMA_BASE + 0x442)
  30 #define OMAP_DMA_PCH2_ID                (OMAP_DMA_BASE + 0x444)
  31 #define OMAP_DMA_PCH0_ID                (OMAP_DMA_BASE + 0x446)
  32 #define OMAP_DMA_PCH1_ID                (OMAP_DMA_BASE + 0x448)
  33 #define OMAP_DMA_PCHG_ID                (OMAP_DMA_BASE + 0x44a)
  34 #define OMAP_DMA_PCHD_ID                (OMAP_DMA_BASE + 0x44c)
  35 #define OMAP_DMA_CAPS_0_U               (OMAP_DMA_BASE + 0x44e)
  36 #define OMAP_DMA_CAPS_0_L               (OMAP_DMA_BASE + 0x450)
  37 #define OMAP_DMA_CAPS_1_U               (OMAP_DMA_BASE + 0x452)
  38 #define OMAP_DMA_CAPS_1_L               (OMAP_DMA_BASE + 0x454)
  39 #define OMAP_DMA_CAPS_2                 (OMAP_DMA_BASE + 0x456)
  40 #define OMAP_DMA_CAPS_3                 (OMAP_DMA_BASE + 0x458)
  41 #define OMAP_DMA_CAPS_4                 (OMAP_DMA_BASE + 0x45a)
  42 #define OMAP_DMA_PCH2_SR                (OMAP_DMA_BASE + 0x460)
  43 #define OMAP_DMA_PCH0_SR                (OMAP_DMA_BASE + 0x480)
  44 #define OMAP_DMA_PCH1_SR                (OMAP_DMA_BASE + 0x482)
  45 #define OMAP_DMA_PCHD_SR                (OMAP_DMA_BASE + 0x4c0)
  46
  47 /* Hardware registers for omap2 */
  48 #define OMAP24XX_DMA_BASE               (L4_24XX_BASE + 0x56000)
  49 #define OMAP_DMA4_REVISION              (OMAP24XX_DMA_BASE + 0x00)
  50 #define OMAP_DMA4_GCR_REG               (OMAP24XX_DMA_BASE + 0x78)
  51 #define OMAP_DMA4_IRQSTATUS_L0          (OMAP24XX_DMA_BASE + 0x08)
  52 #define OMAP_DMA4_IRQSTATUS_L1          (OMAP24XX_DMA_BASE + 0x0c)
  53 #define OMAP_DMA4_IRQSTATUS_L2          (OMAP24XX_DMA_BASE + 0x10)
  54 #define OMAP_DMA4_IRQSTATUS_L3          (OMAP24XX_DMA_BASE + 0x14)
  55 #define OMAP_DMA4_IRQENABLE_L0          (OMAP24XX_DMA_BASE + 0x18)
  56 #define OMAP_DMA4_IRQENABLE_L1          (OMAP24XX_DMA_BASE + 0x1c)
  57 #define OMAP_DMA4_IRQENABLE_L2          (OMAP24XX_DMA_BASE + 0x20)
  58 #define OMAP_DMA4_IRQENABLE_L3          (OMAP24XX_DMA_BASE + 0x24)
  59 #define OMAP_DMA4_SYSSTATUS             (OMAP24XX_DMA_BASE + 0x28)
  60 #define OMAP_DMA4_CAPS_0                (OMAP24XX_DMA_BASE + 0x64)
  61 #define OMAP_DMA4_CAPS_2                (OMAP24XX_DMA_BASE + 0x6c)
  62 #define OMAP_DMA4_CAPS_3                (OMAP24XX_DMA_BASE + 0x70)
  63 #define OMAP_DMA4_CAPS_4                (OMAP24XX_DMA_BASE + 0x74)
  64
  65 #ifdef CONFIG_ARCH_OMAP1
  66
  67 #define OMAP_LOGICAL_DMA_CH_COUNT       17
  68
  69 /* Common channel specific registers for omap1 */
  70 #define OMAP_DMA_CSDP_REG(n)            __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x00)
  71 #define OMAP_DMA_CCR_REG(n)             __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x02)
  72 #define OMAP_DMA_CICR_REG(n)            __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x04)
  73 #define OMAP_DMA_CSR_REG(n)             __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x06)
  74 #define OMAP_DMA_CEN_REG(n)             __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x10)
  75 #define OMAP_DMA_CFN_REG(n)             __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x12)
  76 #define OMAP_DMA_CSFI_REG(n)            __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x14)
  77 #define OMAP_DMA_CSEI_REG(n)            __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x16)
  78 #define OMAP_DMA_CSAC_REG(n)            __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x18)
  79 #define OMAP_DMA_CDAC_REG(n)            __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x1a)
  80 #define OMAP_DMA_CDEI_REG(n)            __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x1c)
  81 #define OMAP_DMA_CDFI_REG(n)            __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x1e)
  82 #define OMAP_DMA_CLNK_CTRL_REG(n)       __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x28)
  83
  84 #else
  85
  86 #define OMAP_LOGICAL_DMA_CH_COUNT       32      /* REVISIT: Is this 32 + 2? */
  87
  88 /* Common channel specific registers for omap2 */
  89 #define OMAP_DMA_CCR_REG(n)             __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x80)
  90 #define OMAP_DMA_CLNK_CTRL_REG(n)       __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x84)
  91 #define OMAP_DMA_CICR_REG(n)            __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x88)
  92 #define OMAP_DMA_CSR_REG(n)             __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x8c)
  93 #define OMAP_DMA_CSDP_REG(n)            __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x90)
  94 #define OMAP_DMA_CEN_REG(n)             __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x94)
  95 #define OMAP_DMA_CFN_REG(n)             __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x98)
  96 #define OMAP_DMA_CSEI_REG(n)            __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xa4)
  97 #define OMAP_DMA_CSFI_REG(n)            __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xa8)
  98 #define OMAP_DMA_CDEI_REG(n)            __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xac)
  99 #define OMAP_DMA_CDFI_REG(n)            __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xb0)
 100 #define OMAP_DMA_CSAC_REG(n)            __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xb4)
 101 #define OMAP_DMA_CDAC_REG(n)            __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xb8)
 102
 103 #endif
 104
 105 /* Channel specific registers only on omap1 */
 106 #define OMAP1_DMA_CSSA_L_REG(n)         __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x08)
 107 #define OMAP1_DMA_CSSA_U_REG(n)         __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x0a)
 108 #define OMAP1_DMA_CDSA_L_REG(n)         __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x0c)
 109 #define OMAP1_DMA_CDSA_U_REG(n)         __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x0e)
 110 #define OMAP1_DMA_COLOR_L_REG(n)        __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x20)
 111 #define OMAP1_DMA_CCR2_REG(n)           __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x24)
 112 #define OMAP1_DMA_COLOR_U_REG(n)        __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x22)
 113 #define OMAP1_DMA_LCH_CTRL_REG(n)       __REG16(OMAP_DMA_BASE + 0x40 * (n) + 0x2a)
 114
 115 /* Channel specific registers only on omap2 */
 116 #define OMAP2_DMA_CSSA_REG(n)           __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0x9c)
 117 #define OMAP2_DMA_CDSA_REG(n)           __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xa0)
 118 #define OMAP2_DMA_CCEN_REG(n)           __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xbc)
 119 #define OMAP2_DMA_CCFN_REG(n)           __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xc0)
 120 #define OMAP2_DMA_COLOR_REG(n)          __REG32(OMAP24XX_DMA_BASE + 0x60 * (n) + 0xc4)
 121
 122 /*----------------------------------------------------------------------------*/
 123
 124 /* DMA channels for omap1 */
 125 #define OMAP_DMA_NO_DEVICE              0
 126 #define OMAP_DMA_MCSI1_TX               1
 127 #define OMAP_DMA_MCSI1_RX               2
 128 #define OMAP_DMA_I2C_RX                 3
 129 #define OMAP_DMA_I2C_TX                 4
 130 #define OMAP_DMA_EXT_NDMA_REQ           5
 131 #define OMAP_DMA_EXT_NDMA_REQ2          6
 132 #define OMAP_DMA_UWIRE_TX               7
 133 #define OMAP_DMA_MCBSP1_TX              8
 134 #define OMAP_DMA_MCBSP1_RX              9
 135 #define OMAP_DMA_MCBSP3_TX              10
 136 #define OMAP_DMA_MCBSP3_RX              11
 137 #define OMAP_DMA_UART1_TX               12
 138 #define OMAP_DMA_UART1_RX               13
 139 #define OMAP_DMA_UART2_TX               14
 140 #define OMAP_DMA_UART2_RX               15
 141 #define OMAP_DMA_MCBSP2_TX              16
 142 #define OMAP_DMA_MCBSP2_RX              17
 143 #define OMAP_DMA_UART3_TX               18
 144 #define OMAP_DMA_UART3_RX               19
 145 #define OMAP_DMA_CAMERA_IF_RX           20
 146 #define OMAP_DMA_MMC_TX                 21
 147 #define OMAP_DMA_MMC_RX                 22
 148 #define OMAP_DMA_NAND                   23
 149 #define OMAP_DMA_IRQ_LCD_LINE           24
 150 #define OMAP_DMA_MEMORY_STICK           25
 151 #define OMAP_DMA_USB_W2FC_RX0           26
 152 #define OMAP_DMA_USB_W2FC_RX1           27
 153 #define OMAP_DMA_USB_W2FC_RX2           28
 154 #define OMAP_DMA_USB_W2FC_TX0           29
 155 #define OMAP_DMA_USB_W2FC_TX1           30
 156 #define OMAP_DMA_USB_W2FC_TX2           31
 157
 158 /* These are only for 1610 */
 159 #define OMAP_DMA_CRYPTO_DES_IN          32
 160 #define OMAP_DMA_SPI_TX                 33
 161 #define OMAP_DMA_SPI_RX                 34
 162 #define OMAP_DMA_CRYPTO_HASH            35
 163 #define OMAP_DMA_CCP_ATTN               36
 164 #define OMAP_DMA_CCP_FIFO_NOT_EMPTY     37
 165 #define OMAP_DMA_CMT_APE_TX_CHAN_0      38
 166 #define OMAP_DMA_CMT_APE_RV_CHAN_0      39
 167 #define OMAP_DMA_CMT_APE_TX_CHAN_1      40
 168 #define OMAP_DMA_CMT_APE_RV_CHAN_1      41
 169 #define OMAP_DMA_CMT_APE_TX_CHAN_2      42
 170 #define OMAP_DMA_CMT_APE_RV_CHAN_2      43
 171 #define OMAP_DMA_CMT_APE_TX_CHAN_3      44
 172 #define OMAP_DMA_CMT_APE_RV_CHAN_3      45
 173 #define OMAP_DMA_CMT_APE_TX_CHAN_4      46
 174 #define OMAP_DMA_CMT_APE_RV_CHAN_4      47
 175 #define OMAP_DMA_CMT_APE_TX_CHAN_5      48
 176 #define OMAP_DMA_CMT_APE_RV_CHAN_5      49
 177 #define OMAP_DMA_CMT_APE_TX_CHAN_6      50
 178 #define OMAP_DMA_CMT_APE_RV_CHAN_6      51
 179 #define OMAP_DMA_CMT_APE_TX_CHAN_7      52
 180 #define OMAP_DMA_CMT_APE_RV_CHAN_7      53
 181 #define OMAP_DMA_MMC2_TX                54
 182 #define OMAP_DMA_MMC2_RX                55
 183 #define OMAP_DMA_CRYPTO_DES_OUT         56
 184
 185 /* DMA channels for 24xx */
 186 #define OMAP24XX_DMA_NO_DEVICE          0
 187 #define OMAP24XX_DMA_XTI_DMA            1       /* S_DMA_0 */
 188 #define OMAP24XX_DMA_EXT_DMAREQ0        2       /* S_DMA_1 */
 189 #define OMAP24XX_DMA_EXT_DMAREQ1        3       /* S_DMA_2 */
 190 #define OMAP24XX_DMA_GPMC               4       /* S_DMA_3 */
 191 #define OMAP24XX_DMA_GFX                5       /* S_DMA_4 */
 192 #define OMAP24XX_DMA_DSS                6       /* S_DMA_5 */
 193 #define OMAP24XX_DMA_VLYNQ_TX           7       /* S_DMA_6 */
 194 #define OMAP24XX_DMA_CWT                8       /* S_DMA_7 */
 195 #define OMAP24XX_DMA_AES_TX             9       /* S_DMA_8 */
 196 #define OMAP24XX_DMA_AES_RX             10      /* S_DMA_9 */
 197 #define OMAP24XX_DMA_DES_TX             11      /* S_DMA_10 */
 198 #define OMAP24XX_DMA_DES_RX             12      /* S_DMA_11 */
 199 #define OMAP24XX_DMA_SHA1MD5_RX         13      /* S_DMA_12 */
 200 #define OMAP24XX_DMA_EXT_DMAREQ2        14      /* S_DMA_13 */
 201 #define OMAP24XX_DMA_EXT_DMAREQ3        15      /* S_DMA_14 */
 202 #define OMAP24XX_DMA_EXT_DMAREQ4        16      /* S_DMA_15 */
 203 #define OMAP24XX_DMA_EAC_AC_RD          17      /* S_DMA_16 */
 204 #define OMAP24XX_DMA_EAC_AC_WR          18      /* S_DMA_17 */
 205 #define OMAP24XX_DMA_EAC_MD_UL_RD       19      /* S_DMA_18 */
 206 #define OMAP24XX_DMA_EAC_MD_UL_WR       20      /* S_DMA_19 */
 207 #define OMAP24XX_DMA_EAC_MD_DL_RD       21      /* S_DMA_20 */
 208 #define OMAP24XX_DMA_EAC_MD_DL_WR       22      /* S_DMA_21 */
 209 #define OMAP24XX_DMA_EAC_BT_UL_RD       23      /* S_DMA_22 */
 210 #define OMAP24XX_DMA_EAC_BT_UL_WR       24      /* S_DMA_23 */
 211 #define OMAP24XX_DMA_EAC_BT_DL_RD       25      /* S_DMA_24 */
 212 #define OMAP24XX_DMA_EAC_BT_DL_WR       26      /* S_DMA_25 */
 213 #define OMAP24XX_DMA_I2C1_TX            27      /* S_DMA_26 */
 214 #define OMAP24XX_DMA_I2C1_RX            28      /* S_DMA_27 */
 215 #define OMAP24XX_DMA_I2C2_TX            29      /* S_DMA_28 */
 216 #define OMAP24XX_DMA_I2C2_RX            30      /* S_DMA_29 */
 217 #define OMAP24XX_DMA_MCBSP1_TX          31      /* SDMA_30 */
 218 #define OMAP24XX_DMA_MCBSP1_RX          32      /* SDMA_31 */
 219 #define OMAP24XX_DMA_MCBSP2_TX          33      /* SDMA_32 */
 220 #define OMAP24XX_DMA_MCBSP2_RX          34      /* SDMA_33 */
 221 #define OMAP24XX_DMA_SPI1_TX0           35      /* SDMA_34 */
 222 #define OMAP24XX_DMA_SPI1_RX0           36      /* SDMA_35 */
 223 #define OMAP24XX_DMA_SPI1_TX1           37      /* SDMA_36 */
 224 #define OMAP24XX_DMA_SPI1_RX1           38      /* SDMA_37 */
 225 #define OMAP24XX_DMA_SPI1_TX2           39      /* SDMA_38 */
 226 #define OMAP24XX_DMA_SPI1_RX2           40      /* SDMA_39 */
 227 #define OMAP24XX_DMA_SPI1_TX3           41      /* SDMA_40 */
 228 #define OMAP24XX_DMA_SPI1_RX3           42      /* SDMA_41 */
 229 #define OMAP24XX_DMA_SPI2_TX0           43      /* SDMA_42 */
 230 #define OMAP24XX_DMA_SPI2_RX0           44      /* SDMA_43 */
 231 #define OMAP24XX_DMA_SPI2_TX1           45      /* SDMA_44 */
 232 #define OMAP24XX_DMA_SPI2_RX1           46      /* SDMA_45 */
 233
 234 #define OMAP24XX_DMA_UART1_TX           49      /* SDMA_48 */
 235 #define OMAP24XX_DMA_UART1_RX           50      /* SDMA_49 */
 236 #define OMAP24XX_DMA_UART2_TX           51      /* SDMA_50 */
 237 #define OMAP24XX_DMA_UART2_RX           52      /* SDMA_51 */
 238 #define OMAP24XX_DMA_UART3_TX           53      /* SDMA_52 */
 239 #define OMAP24XX_DMA_UART3_RX           54      /* SDMA_53 */
 240 #define OMAP24XX_DMA_USB_W2FC_TX0       55      /* SDMA_54 */
 241 #define OMAP24XX_DMA_USB_W2FC_RX0       56      /* SDMA_55 */
 242 #define OMAP24XX_DMA_USB_W2FC_TX1       57      /* SDMA_56 */
 243 #define OMAP24XX_DMA_USB_W2FC_RX1       58      /* SDMA_57 */
 244 #define OMAP24XX_DMA_USB_W2FC_TX2       59      /* SDMA_58 */
 245 #define OMAP24XX_DMA_USB_W2FC_RX2       60      /* SDMA_59 */
 246 #define OMAP24XX_DMA_MMC1_TX            61      /* SDMA_60 */
 247 #define OMAP24XX_DMA_MMC1_RX            62      /* SDMA_61 */
 248 #define OMAP24XX_DMA_MS                 63      /* SDMA_62 */
 249 #define OMAP24XX_DMA_EXT_DMAREQ5        64      /* S_DMA_63 */
 250
 251 /*----------------------------------------------------------------------------*/
 252
 253 /* Hardware registers for LCD DMA */
 254 #define OMAP1510_DMA_LCD_BASE           (0xfffedb00)
 255 #define OMAP1510_DMA_LCD_CTRL           (OMAP1510_DMA_LCD_BASE + 0x00)
 256 #define OMAP1510_DMA_LCD_TOP_F1_L       (OMAP1510_DMA_LCD_BASE + 0x02)
 257 #define OMAP1510_DMA_LCD_TOP_F1_U       (OMAP1510_DMA_LCD_BASE + 0x04)
 258 #define OMAP1510_DMA_LCD_BOT_F1_L       (OMAP1510_DMA_LCD_BASE + 0x06)
 259 #define OMAP1510_DMA_LCD_BOT_F1_U       (OMAP1510_DMA_LCD_BASE + 0x08)
 260
 261 #define OMAP1610_DMA_LCD_BASE           (0xfffee300)
 262 #define OMAP1610_DMA_LCD_CSDP           (OMAP1610_DMA_LCD_BASE + 0xc0)
 263 #define OMAP1610_DMA_LCD_CCR            (OMAP1610_DMA_LCD_BASE + 0xc2)
 264 #define OMAP1610_DMA_LCD_CTRL           (OMAP1610_DMA_LCD_BASE + 0xc4)
 265 #define OMAP1610_DMA_LCD_TOP_B1_L       (OMAP1610_DMA_LCD_BASE + 0xc8)
 266 #define OMAP1610_DMA_LCD_TOP_B1_U       (OMAP1610_DMA_LCD_BASE + 0xca)
 267 #define OMAP1610_DMA_LCD_BOT_B1_L       (OMAP1610_DMA_LCD_BASE + 0xcc)
 268 #define OMAP1610_DMA_LCD_BOT_B1_U       (OMAP1610_DMA_LCD_BASE + 0xce)
 269 #define OMAP1610_DMA_LCD_TOP_B2_L       (OMAP1610_DMA_LCD_BASE + 0xd0)
 270 #define OMAP1610_DMA_LCD_TOP_B2_U       (OMAP1610_DMA_LCD_BASE + 0xd2)
 271 #define OMAP1610_DMA_LCD_BOT_B2_L       (OMAP1610_DMA_LCD_BASE + 0xd4)
 272 #define OMAP1610_DMA_LCD_BOT_B2_U       (OMAP1610_DMA_LCD_BASE + 0xd6)
 273 #define OMAP1610_DMA_LCD_SRC_EI_B1      (OMAP1610_DMA_LCD_BASE + 0xd8)
 274 #define OMAP1610_DMA_LCD_SRC_FI_B1_L    (OMAP1610_DMA_LCD_BASE + 0xda)
 275 #define OMAP1610_DMA_LCD_SRC_EN_B1      (OMAP1610_DMA_LCD_BASE + 0xe0)
 276 #define OMAP1610_DMA_LCD_SRC_FN_B1      (OMAP1610_DMA_LCD_BASE + 0xe4)
 277 #define OMAP1610_DMA_LCD_LCH_CTRL       (OMAP1610_DMA_LCD_BASE + 0xea)
 278 #define OMAP1610_DMA_LCD_SRC_FI_B1_U    (OMAP1610_DMA_LCD_BASE + 0xf4)
 279
 280 #define OMAP1_DMA_TOUT_IRQ              (1 << 0)
 281 #define OMAP_DMA_DROP_IRQ               (1 << 1)
 282 #define OMAP_DMA_HALF_IRQ               (1 << 2)
 283 #define OMAP_DMA_FRAME_IRQ              (1 << 3)
 284 #define OMAP_DMA_LAST_IRQ               (1 << 4)
 285 #define OMAP_DMA_BLOCK_IRQ              (1 << 5)
 286 #define OMAP1_DMA_SYNC_IRQ              (1 << 6)
 287 #define OMAP2_DMA_PKT_IRQ               (1 << 7)
 288 #define OMAP2_DMA_TRANS_ERR_IRQ         (1 << 8)
 289 #define OMAP2_DMA_SECURE_ERR_IRQ        (1 << 9)
 290 #define OMAP2_DMA_SUPERVISOR_ERR_IRQ    (1 << 10)
 291 #define OMAP2_DMA_MISALIGNED_ERR_IRQ    (1 << 11)
 292
 293 #define OMAP_DMA_DATA_TYPE_S8           0x00
 294 #define OMAP_DMA_DATA_TYPE_S16          0x01
 295 #define OMAP_DMA_DATA_TYPE_S32          0x02
 296
 297 #define OMAP_DMA_SYNC_ELEMENT           0x00
 298 #define OMAP_DMA_SYNC_FRAME             0x01
 299 #define OMAP_DMA_SYNC_BLOCK             0x02
 300
 301 #define OMAP_DMA_PORT_EMIFF             0x00
 302 #define OMAP_DMA_PORT_EMIFS             0x01
 303 #define OMAP_DMA_PORT_OCP_T1            0x02
 304 #define OMAP_DMA_PORT_TIPB              0x03
 305 #define OMAP_DMA_PORT_OCP_T2            0x04
 306 #define OMAP_DMA_PORT_MPUI              0x05
 307
 308 #define OMAP_DMA_AMODE_CONSTANT         0x00
 309 #define OMAP_DMA_AMODE_POST_INC         0x01
 310 #define OMAP_DMA_AMODE_SINGLE_IDX       0x02
 311 #define OMAP_DMA_AMODE_DOUBLE_IDX       0x03
 312
 313 /* LCD DMA block numbers */
 314 enum {
 315         OMAP_LCD_DMA_B1_TOP,
 316         OMAP_LCD_DMA_B1_BOTTOM,
 317         OMAP_LCD_DMA_B2_TOP,
 318         OMAP_LCD_DMA_B2_BOTTOM
 319 };
 320
 321 enum omap_dma_burst_mode {
 322         OMAP_DMA_DATA_BURST_DIS = 0,
 323         OMAP_DMA_DATA_BURST_4,
 324         OMAP_DMA_DATA_BURST_8,
 325         OMAP_DMA_DATA_BURST_16,
 326 };
 327
 328 enum omap_dma_color_mode {
 329         OMAP_DMA_COLOR_DIS = 0,
 330         OMAP_DMA_CONSTANT_FILL,
 331         OMAP_DMA_TRANSPARENT_COPY
 332 };
 333
 334 struct omap_dma_channel_params {
 335         int data_type;          /* data type 8,16,32 */
 336         int elem_count;         /* number of elements in a frame */
 337         int frame_count;        /* number of frames in a element */
 338
 339         int src_port;           /* Only on OMAP1 REVISIT: Is this needed? */
 340         int src_amode;          /* constant , post increment, indexed , double indexed */
 341         int src_start;          /* source address : physical */
 342         int src_ei;             /* source element index */
 343         int src_fi;             /* source frame index */
 344
 345         int dst_port;           /* Only on OMAP1 REVISIT: Is this needed? */
 346         int dst_amode;          /* constant , post increment, indexed , double indexed */
 347         int dst_start;          /* source address : physical */
 348         int dst_ei;             /* source element index */
 349         int dst_fi;             /* source frame index */
 350
 351         int trigger;            /* trigger attached if the channel is synchronized */
 352         int sync_mode;          /* sycn on element, frame , block or packet */
 353         int src_or_dst_synch;   /* source synch(1) or destination synch(0) */
 354
 355         int ie;                 /* interrupt enabled */
 356 };
 357
 358
 359 extern void omap_set_dma_priority(int dst_port, int priority);
 360 extern int omap_request_dma(int dev_id, const char *dev_name,
 361                             void (* callback)(int lch, u16 ch_status, void *data),
 362                             void *data, int *dma_ch);
 363 extern void omap_enable_dma_irq(int ch, u16 irq_bits);
 364 extern void omap_disable_dma_irq(int ch, u16 irq_bits);
 365 extern void omap_free_dma(int ch);
 366 extern void omap_start_dma(int lch);
 367 extern void omap_stop_dma(int lch);
 368 extern void omap_set_dma_transfer_params(int lch, int data_type,
 369                                          int elem_count, int frame_count,
 370                                          int sync_mode,
 371                                          int dma_trigger, int src_or_dst_synch);
 372 extern void omap_set_dma_color_mode(int lch, enum omap_dma_color_mode mode,
 373                                     u32 color);
 374
 375 extern void omap_set_dma_src_params(int lch, int src_port, int src_amode,
 376                                     unsigned long src_start,
 377                                     int src_ei, int src_fi);
 378 extern void omap_set_dma_src_index(int lch, int eidx, int fidx);
 379 extern void omap_set_dma_src_data_pack(int lch, int enable);
 380 extern void omap_set_dma_src_burst_mode(int lch,
 381                                         enum omap_dma_burst_mode burst_mode);
 382
 383 extern void omap_set_dma_dest_params(int lch, int dest_port, int dest_amode,
 384                                      unsigned long dest_start,
 385                                      int dst_ei, int dst_fi);
 386 extern void omap_set_dma_dest_index(int lch, int eidx, int fidx);
 387 extern void omap_set_dma_dest_data_pack(int lch, int enable);
 388 extern void omap_set_dma_dest_burst_mode(int lch,
 389                                          enum omap_dma_burst_mode burst_mode);
 390
 391 extern void omap_set_dma_params(int lch,
 392                                 struct omap_dma_channel_params * params);
 393
 394 extern void omap_dma_link_lch (int lch_head, int lch_queue);
 395 extern void omap_dma_unlink_lch (int lch_head, int lch_queue);
 396
 397 extern dma_addr_t omap_get_dma_src_pos(int lch);
 398 extern dma_addr_t omap_get_dma_dst_pos(int lch);
 399 extern int omap_get_dma_src_addr_counter(int lch);
 400 extern void omap_clear_dma(int lch);
 401 extern int omap_dma_running(void);
 402
 403 /* LCD DMA functions */
 404 extern int omap_request_lcd_dma(void (* callback)(u16 status, void *data),
 405                                 void *data);
 406 extern void omap_free_lcd_dma(void);
 407 extern void omap_setup_lcd_dma(void);
 408 extern void omap_enable_lcd_dma(void);
 409 extern void omap_stop_lcd_dma(void);
 410 extern int  omap_lcd_dma_ext_running(void);
 411 extern void omap_set_lcd_dma_ext_controller(int external);
 412 extern void omap_set_lcd_dma_single_transfer(int single);
 413 extern void omap_set_lcd_dma_b1(unsigned long addr, u16 fb_xres, u16 fb_yres,
 414                                 int data_type);
 415 extern void omap_set_lcd_dma_b1_rotation(int rotate);
 416 extern void omap_set_lcd_dma_b1_vxres(unsigned long vxres);
 417 extern void omap_set_lcd_dma_b1_mirror(int mirror);
 418 extern void omap_set_lcd_dma_b1_scale(unsigned int xscale, unsigned int yscale);
 419
 420 #endif /* __ASM_ARCH_DMA_H */