diff options
Diffstat (limited to 'arch/arm/plat-omap/include/plat/dma.h')
| -rw-r--r-- | arch/arm/plat-omap/include/plat/dma.h | 546 |
1 files changed, 0 insertions, 546 deletions
diff --git a/arch/arm/plat-omap/include/plat/dma.h b/arch/arm/plat-omap/include/plat/dma.h deleted file mode 100644 index 0a87b052f8f..00000000000 --- a/arch/arm/plat-omap/include/plat/dma.h +++ /dev/null @@ -1,546 +0,0 @@ -/* - * 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" - -#define INT_DMA_LCD 25 - -/* 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) - -/* Defines for DMA Capabilities */ -#define DMA_HAS_TRANSPARENT_CAPS (0x1 << 18) -#define DMA_HAS_CONSTANT_FILL_CAPS (0x1 << 19) -#define DMA_HAS_DESCRIPTOR_CAPS (0x3 << 20) - -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 __init omap_init_consistent_dma_size(void); -extern void omap_set_dma_priority(int lch, int dst_port, int priority); -extern int omap_request_dma(int dev_id, const char *dev_name, - void (*callback)(int lch, u16 ch_status, void *data), - void *data, int *dma_ch); -extern void omap_enable_dma_irq(int ch, u16 irq_bits); -extern void omap_disable_dma_irq(int ch, u16 irq_bits); -extern void omap_free_dma(int ch); -extern void omap_start_dma(int lch); -extern void omap_stop_dma(int lch); -extern void omap_set_dma_transfer_params(int lch, int data_type, - int elem_count, int frame_count, - int sync_mode, - int dma_trigger, int src_or_dst_synch); -extern void omap_set_dma_color_mode(int lch, enum omap_dma_color_mode mode, - u32 color); -extern void omap_set_dma_write_mode(int lch, enum omap_dma_write_mode mode); -extern void omap_set_dma_channel_mode(int lch, enum omap_dma_channel_mode mode); - -extern void omap_set_dma_src_params(int lch, int src_port, int src_amode, - unsigned long src_start, - int src_ei, int src_fi); -extern void omap_set_dma_src_index(int lch, int eidx, int fidx); -extern void omap_set_dma_src_data_pack(int lch, int enable); -extern void omap_set_dma_src_burst_mode(int lch, - enum omap_dma_burst_mode burst_mode); - -extern void omap_set_dma_dest_params(int lch, int dest_port, int dest_amode, - unsigned long dest_start, - int dst_ei, int dst_fi); -extern void omap_set_dma_dest_index(int lch, int eidx, int fidx); -extern void omap_set_dma_dest_data_pack(int lch, int enable); -extern void omap_set_dma_dest_burst_mode(int lch, - enum omap_dma_burst_mode burst_mode); - -extern void omap_set_dma_params(int lch, - struct omap_dma_channel_params *params); - -extern void omap_dma_link_lch(int lch_head, int lch_queue); -extern void omap_dma_unlink_lch(int lch_head, int lch_queue); - -extern int omap_set_dma_callback(int lch, - void (*callback)(int lch, u16 ch_status, void *data), - void *data); -extern dma_addr_t omap_get_dma_src_pos(int lch); -extern dma_addr_t omap_get_dma_dst_pos(int lch); -extern void omap_clear_dma(int lch); -extern int omap_get_dma_active_status(int lch); -extern int omap_dma_running(void); -extern void omap_dma_set_global_params(int arb_rate, int max_fifo_depth, - int tparams); -extern int omap_dma_set_prio_lch(int lch, unsigned char read_prio, - unsigned char write_prio); -extern void omap_set_dma_dst_endian_type(int lch, enum end_type etype); -extern void omap_set_dma_src_endian_type(int lch, enum end_type etype); -extern int omap_get_dma_index(int lch, int *ei, int *fi); - -void omap_dma_global_context_save(void); -void omap_dma_global_context_restore(void); - -extern void omap_dma_disable_irq(int lch); - -/* Chaining APIs */ -#ifndef CONFIG_ARCH_OMAP1 -extern int omap_request_dma_chain(int dev_id, const char *dev_name, - void (*callback) (int lch, u16 ch_status, - void *data), - int *chain_id, int no_of_chans, - int chain_mode, - struct omap_dma_channel_params params); -extern int omap_free_dma_chain(int chain_id); -extern int omap_dma_chain_a_transfer(int chain_id, int src_start, - int dest_start, int elem_count, - int frame_count, void *callbk_data); -extern int omap_start_dma_chain_transfers(int chain_id); -extern int omap_stop_dma_chain_transfers(int chain_id); -extern int omap_get_dma_chain_index(int chain_id, int *ei, int *fi); -extern int omap_get_dma_chain_dst_pos(int chain_id); -extern int omap_get_dma_chain_src_pos(int chain_id); - -extern int omap_modify_dma_chain_params(int chain_id, - struct omap_dma_channel_params params); -extern int omap_dma_chain_status(int chain_id); -#endif - -#if defined(CONFIG_ARCH_OMAP1) && defined(CONFIG_FB_OMAP) -#include <mach/lcd_dma.h> -#else -static inline int omap_lcd_dma_running(void) -{ - return 0; -} -#endif - -#endif /* __ASM_ARCH_DMA_H */ |