#include <linux/platform_device.h>
#include "dma-44xx.h"

Data Structures
struct	omap_dma_channel_params

struct	omap_dma_lch

struct	omap_dma_dev_attr

struct	omap_system_dma_plat_info

Macros
#define	INT_DMA_LCD 25

#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

#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

#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 */

#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

#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)

#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

#define	OMAP_DMA_STATIC_CHAIN 0x1

#define	OMAP_DMA_DYNAMIC_CHAIN 0x2

#define	OMAP_DMA_CHAIN_ACTIVE 0x1

#define	OMAP_DMA_CHAIN_INACTIVE 0x0

#define	DMA_CH_PRIO_HIGH 0x1

#define	DMA_CH_PRIO_LOW 0x0 /* Def */

#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)

#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)

#define	DMA_HAS_TRANSPARENT_CAPS (0x1 << 18)

#define	DMA_HAS_CONSTANT_FILL_CAPS (0x1 << 19)

#define	DMA_HAS_DESCRIPTOR_CAPS (0x3 << 20)

Enumerations
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, CPC, CCR2, LCH_CTRL, CSDP, CCR, CICR, CSR, CEN, CFN, CSFI, CSEI, CSAC, CDAC, CDEI, CDFI, CLNK_CTRL, CSSA, CDSA, COLOR, CCEN, CCFN, 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 }

Functions
void __init	omap_init_consistent_dma_size (void)

void	omap_set_dma_priority (int lch, int dst_port, int priority)

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)

void	omap_enable_dma_irq (int ch, u16 irq_bits)

void	omap_disable_dma_irq (int ch, u16 irq_bits)

void	omap_free_dma (int ch)

void	omap_start_dma (int lch)

void	omap_stop_dma (int lch)

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)

void	omap_set_dma_color_mode (int lch, enum omap_dma_color_mode mode, u32 color)

void	omap_set_dma_write_mode (int lch, enum omap_dma_write_mode mode)

void	omap_set_dma_channel_mode (int lch, enum omap_dma_channel_mode mode)

void	omap_set_dma_src_params (int lch, int src_port, int src_amode, unsigned long src_start, int src_ei, int src_fi)

void	omap_set_dma_src_index (int lch, int eidx, int fidx)

void	omap_set_dma_src_data_pack (int lch, int enable)

void	omap_set_dma_src_burst_mode (int lch, enum omap_dma_burst_mode burst_mode)

void	omap_set_dma_dest_params (int lch, int dest_port, int dest_amode, unsigned long dest_start, int dst_ei, int dst_fi)

void	omap_set_dma_dest_index (int lch, int eidx, int fidx)

void	omap_set_dma_dest_data_pack (int lch, int enable)

void	omap_set_dma_dest_burst_mode (int lch, enum omap_dma_burst_mode burst_mode)

void	omap_set_dma_params (int lch, struct omap_dma_channel_params *params)

void	omap_dma_link_lch (int lch_head, int lch_queue)

void	omap_dma_unlink_lch (int lch_head, int lch_queue)

int	omap_set_dma_callback (int lch, void(callback)(int lch, u16 ch_status, void data), void *data)

dma_addr_t	omap_get_dma_src_pos (int lch)

dma_addr_t	omap_get_dma_dst_pos (int lch)

void	omap_clear_dma (int lch)

int	omap_get_dma_active_status (int lch)

int	omap_dma_running (void)

void	omap_dma_set_global_params (int arb_rate, int max_fifo_depth, int tparams)
	omap_dma_set_global_params : Set global priority settings for dma

int	omap_dma_set_prio_lch (int lch, unsigned char read_prio, unsigned char write_prio)
	omap_dma_set_prio_lch : Set channel wise priority settings

void	omap_set_dma_dst_endian_type (int lch, enum end_type etype)

void	omap_set_dma_src_endian_type (int lch, enum end_type etype)

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)

void	omap_dma_disable_irq (int lch)

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)
	omap_request_dma_chain : Request a chain of DMA channels

int	omap_free_dma_chain (int chain_id)
	omap_free_dma_chain - Free all the logical channels in a chain.

int	omap_dma_chain_a_transfer (int chain_id, int src_start, int dest_start, int elem_count, int frame_count, void *callbk_data)
	omap_dma_chain_a_transfer - Get a free channel from a chain, set the params and start the transfer.

int	omap_start_dma_chain_transfers (int chain_id)
	omap_start_dma_chain_transfers - Start the chain

int	omap_stop_dma_chain_transfers (int chain_id)
	omap_stop_dma_chain_transfers - Stop the dma transfer of a chain.

int	omap_get_dma_chain_index (int chain_id, int ei, int fi)
	omap_get_dma_chain_index - Get the element and frame index of the ongoing DMA in chain

int	omap_get_dma_chain_dst_pos (int chain_id)
	omap_get_dma_chain_dst_pos - Get the destination position of the ongoing DMA in chain

int	omap_get_dma_chain_src_pos (int chain_id)
	omap_get_dma_chain_src_pos - Get the source position of the ongoing DMA in chain

int	omap_modify_dma_chain_params (int chain_id, struct omap_dma_channel_params params)
	omap_modify_dma_chain_param : Modify the chain's params - Modify the params after setting it. Dont do this while dma is running!!

int	omap_dma_chain_status (int chain_id)
	omap_dma_chain_status - Check if the chain is in active / inactive state.

Macro Definition Documentation

#define AM35XX_DMA_UART4_RX 55

Definition at line 203 of file dma.h.

#define AM35XX_DMA_UART4_TX 54

Definition at line 202 of file dma.h.

#define CLEAR_CSR_ON_READ BIT(0xC)

Definition at line 314 of file dma.h.

#define DMA_CH_PRIO_HIGH 0x1

Definition at line 286 of file dma.h.

#define DMA_CH_PRIO_LOW 0x0 /* Def */

Definition at line 287 of file dma.h.

#define DMA_DEFAULT_ARB_RATE 0x01

Definition at line 252 of file dma.h.

#define DMA_DEFAULT_FIFO_DEPTH 0x10

Definition at line 251 of file dma.h.

#define DMA_ERRATA_3_3 BIT(0x5)

Definition at line 298 of file dma.h.

#define DMA_ERRATA_i378 BIT(0x2)

Definition at line 295 of file dma.h.

#define DMA_ERRATA_i541 BIT(0x3)

Definition at line 296 of file dma.h.

#define DMA_ERRATA_i88 BIT(0x4)

Definition at line 297 of file dma.h.

#define DMA_ERRATA_IFRAME_BUFFERING BIT(0x0)

Definition at line 293 of file dma.h.

#define DMA_ERRATA_PARALLEL_CHANNELS BIT(0x1)

Definition at line 294 of file dma.h.

#define DMA_HAS_CONSTANT_FILL_CAPS (0x1 << 19)

Definition at line 319 of file dma.h.

#define DMA_HAS_DESCRIPTOR_CAPS (0x3 << 20)

Definition at line 320 of file dma.h.

#define DMA_HAS_TRANSPARENT_CAPS (0x1 << 18)

Definition at line 318 of file dma.h.

#define DMA_IDLEMODE_FORCE_IDLE 0x0

Definition at line 276 of file dma.h.

#define DMA_IDLEMODE_NO_IDLE 0x1

Definition at line 275 of file dma.h.

#define DMA_IDLEMODE_SMARTIDLE 0x2

Definition at line 274 of file dma.h.

#define DMA_LINKED_LCH BIT(0x0)

Definition at line 302 of file dma.h.

#define DMA_ROMCODE_BUG BIT(0x6)

Definition at line 299 of file dma.h.

#define DMA_SYSCONFIG_AUTOIDLE (1 << 0)

Definition at line 269 of file dma.h.

#define DMA_SYSCONFIG_CLOCKACTIVITY_MASK (3 << 8)

Definition at line 265 of file dma.h.

#define DMA_SYSCONFIG_EMUFREE (1 << 5)

Definition at line 266 of file dma.h.

#define DMA_SYSCONFIG_MIDLEMODE ( n ) ((n) << 12)

Definition at line 271 of file dma.h.

#define DMA_SYSCONFIG_MIDLEMODE_MASK (3 << 12)

Definition at line 264 of file dma.h.

#define DMA_SYSCONFIG_SIDLEMODE ( n ) ((n) << 3)

Definition at line 272 of file dma.h.

#define DMA_SYSCONFIG_SIDLEMODE_MASK (3 << 3)

Definition at line 267 of file dma.h.

#define DMA_SYSCONFIG_SOFTRESET (1 << 2)

Definition at line 268 of file dma.h.

#define DMA_THREAD_FIFO_25 (0x02 << 14)

Definition at line 260 of file dma.h.

#define DMA_THREAD_FIFO_50 (0x03 << 14)

Definition at line 261 of file dma.h.

#define DMA_THREAD_FIFO_75 (0x01 << 14)

Definition at line 259 of file dma.h.

#define DMA_THREAD_FIFO_NONE (0x00 << 14) /* Def */

Definition at line 258 of file dma.h.

#define DMA_THREAD_RESERVE_NORM (0x00 << 12) /* Def */

Definition at line 254 of file dma.h.

#define DMA_THREAD_RESERVE_ONET (0x01 << 12)

Definition at line 255 of file dma.h.

#define DMA_THREAD_RESERVE_THREET (0x03 << 12)

Definition at line 257 of file dma.h.

#define DMA_THREAD_RESERVE_TWOT (0x02 << 12)

Definition at line 256 of file dma.h.

#define DST_INDEX BIT(0xA)

Definition at line 312 of file dma.h.

#define DST_PORT BIT(0x8)

Definition at line 310 of file dma.h.

#define ENABLE_1510_MODE BIT(0x6)

Definition at line 308 of file dma.h.

#define GLOBAL_PRIORITY BIT(0x1)

Definition at line 303 of file dma.h.

#define INT_DMA_LCD 25

Definition at line 34 of file dma.h.

#define IS_BURST_ONLY4 BIT(0xB)

Definition at line 313 of file dma.h.

#define IS_CDSA_32 BIT(0x4)

Definition at line 306 of file dma.h.

#define IS_CSSA_32 BIT(0x3)

Definition at line 305 of file dma.h.

#define IS_DMA_ERRATA ( id ) (errata & (id))

Definition at line 290 of file dma.h.

#define IS_RW_PRIORITY BIT(0x5)

Definition at line 307 of file dma.h.

#define IS_WORD_16 BIT(0xD)

Definition at line 315 of file dma.h.

#define OMAP1_DMA_SYNC_IRQ (1 << 6)

Definition at line 213 of file dma.h.

#define OMAP1_DMA_TOUT_IRQ (1 << 0)

Definition at line 207 of file dma.h.

#define OMAP242X_DMA_EAC_AC_RD 17 /* S_DMA_16 */

Definition at line 117 of file dma.h.

#define OMAP242X_DMA_EAC_AC_WR 18 /* S_DMA_17 */

Definition at line 118 of file dma.h.

#define OMAP242X_DMA_EAC_BT_DL_RD 25 /* S_DMA_24 */

Definition at line 125 of file dma.h.

#define OMAP242X_DMA_EAC_BT_DL_WR 26 /* S_DMA_25 */

Definition at line 126 of file dma.h.

#define OMAP242X_DMA_EAC_BT_UL_RD 23 /* S_DMA_22 */

Definition at line 123 of file dma.h.

#define OMAP242X_DMA_EAC_BT_UL_WR 24 /* S_DMA_23 */

Definition at line 124 of file dma.h.

#define OMAP242X_DMA_EAC_MD_DL_RD 21 /* S_DMA_20 */

Definition at line 121 of file dma.h.

#define OMAP242X_DMA_EAC_MD_DL_WR 22 /* S_DMA_21 */

Definition at line 122 of file dma.h.

#define OMAP242X_DMA_EAC_MD_UL_RD 19 /* S_DMA_18 */

Definition at line 119 of file dma.h.

#define OMAP242X_DMA_EAC_MD_UL_WR 20 /* S_DMA_19 */

Definition at line 120 of file dma.h.

#define OMAP242X_DMA_EXT_DMAREQ2 14 /* S_DMA_13 */

Definition at line 114 of file dma.h.

#define OMAP242X_DMA_EXT_DMAREQ3 15 /* S_DMA_14 */

Definition at line 115 of file dma.h.

#define OMAP242X_DMA_EXT_DMAREQ4 16 /* S_DMA_15 */

Definition at line 116 of file dma.h.

#define OMAP242X_DMA_EXT_DMAREQ5 64 /* S_DMA_63 */

Definition at line 179 of file dma.h.

#define OMAP242X_DMA_VLYNQ_TX 7 /* S_DMA_6 */

Definition at line 105 of file dma.h.

#define OMAP243X_DMA_EXT_DMAREQ3 14 /* S_DMA_13 */

Definition at line 127 of file dma.h.

#define OMAP243X_DMA_EXT_DMAREQ4 25 /* S_DMA_24 */

Definition at line 138 of file dma.h.

#define OMAP243X_DMA_EXT_DMAREQ5 26 /* S_DMA_25 */

Definition at line 139 of file dma.h.

#define OMAP243X_DMA_EXT_DMAREQ6 64 /* S_DMA_63 */

Definition at line 180 of file dma.h.

#define OMAP24XX_DMA_AES_RX 10 /* S_DMA_9 */

Definition at line 109 of file dma.h.

#define OMAP24XX_DMA_AES_TX 9 /* S_DMA_8 */

Definition at line 108 of file dma.h.

#define OMAP24XX_DMA_CWT 8 /* S_DMA_7 */

Definition at line 107 of file dma.h.

#define OMAP24XX_DMA_DES_RX 12 /* S_DMA_11 */

Definition at line 111 of file dma.h.

#define OMAP24XX_DMA_DES_TX 11 /* S_DMA_10 */

Definition at line 110 of file dma.h.

#define OMAP24XX_DMA_DSS 6 /* S_DMA_5 */

Definition at line 104 of file dma.h.

#define OMAP24XX_DMA_EXT_DMAREQ0 2 /* S_DMA_1 */

Definition at line 100 of file dma.h.

#define OMAP24XX_DMA_EXT_DMAREQ1 3 /* S_DMA_2 */

Definition at line 101 of file dma.h.

#define OMAP24XX_DMA_EXT_DMAREQ2 7 /* S_DMA_6 */

Definition at line 106 of file dma.h.

#define OMAP24XX_DMA_GFX 5 /* S_DMA_4 */

Definition at line 103 of file dma.h.

#define OMAP24XX_DMA_GPMC 4 /* S_DMA_3 */

Definition at line 102 of file dma.h.

#define OMAP24XX_DMA_I2C1_RX 28 /* S_DMA_27 */

Definition at line 143 of file dma.h.

#define OMAP24XX_DMA_I2C1_TX 27 /* S_DMA_26 */

Definition at line 142 of file dma.h.

#define OMAP24XX_DMA_I2C2_RX 30 /* S_DMA_29 */

Definition at line 145 of file dma.h.

#define OMAP24XX_DMA_I2C2_TX 29 /* S_DMA_28 */

Definition at line 144 of file dma.h.

#define OMAP24XX_DMA_MCBSP1_RX 32 /* S_DMA_31 */

Definition at line 147 of file dma.h.

#define OMAP24XX_DMA_MCBSP1_TX 31 /* S_DMA_30 */

Definition at line 146 of file dma.h.

#define OMAP24XX_DMA_MCBSP2_RX 34 /* S_DMA_33 */

Definition at line 149 of file dma.h.

#define OMAP24XX_DMA_MCBSP2_TX 33 /* S_DMA_32 */

Definition at line 148 of file dma.h.

#define OMAP24XX_DMA_MCBSP3_RX 18 /* S_DMA_17 */

Definition at line 131 of file dma.h.

#define OMAP24XX_DMA_MCBSP3_TX 17 /* S_DMA_16 */

Definition at line 130 of file dma.h.

#define OMAP24XX_DMA_MCBSP4_RX 20 /* S_DMA_19 */

Definition at line 133 of file dma.h.

#define OMAP24XX_DMA_MCBSP4_TX 19 /* S_DMA_18 */

Definition at line 132 of file dma.h.

#define OMAP24XX_DMA_MCBSP5_RX 22 /* S_DMA_21 */

Definition at line 135 of file dma.h.

#define OMAP24XX_DMA_MCBSP5_TX 21 /* S_DMA_20 */

Definition at line 134 of file dma.h.

#define OMAP24XX_DMA_MMC1_RX 62 /* S_DMA_61 */

Definition at line 177 of file dma.h.

#define OMAP24XX_DMA_MMC1_TX 61 /* S_DMA_60 */

Definition at line 176 of file dma.h.

#define OMAP24XX_DMA_MMC2_RX 48 /* S_DMA_47 */

Definition at line 163 of file dma.h.

#define OMAP24XX_DMA_MMC2_TX 47 /* S_DMA_46 */

Definition at line 162 of file dma.h.

#define OMAP24XX_DMA_MS 63 /* S_DMA_62 */

Definition at line 178 of file dma.h.

#define OMAP24XX_DMA_NO_DEVICE 0

Definition at line 98 of file dma.h.

#define OMAP24XX_DMA_SHA1MD5_RX 13 /* S_DMA_12 */

Definition at line 112 of file dma.h.

#define OMAP24XX_DMA_SPI1_RX0 36 /* S_DMA_35 */

Definition at line 151 of file dma.h.

#define OMAP24XX_DMA_SPI1_RX1 38 /* S_DMA_37 */

Definition at line 153 of file dma.h.

#define OMAP24XX_DMA_SPI1_RX2 40 /* S_DMA_39 */

Definition at line 155 of file dma.h.

#define OMAP24XX_DMA_SPI1_RX3 42 /* S_DMA_41 */

Definition at line 157 of file dma.h.

#define OMAP24XX_DMA_SPI1_TX0 35 /* S_DMA_34 */

Definition at line 150 of file dma.h.

#define OMAP24XX_DMA_SPI1_TX1 37 /* S_DMA_36 */

Definition at line 152 of file dma.h.

#define OMAP24XX_DMA_SPI1_TX2 39 /* S_DMA_38 */

Definition at line 154 of file dma.h.

#define OMAP24XX_DMA_SPI1_TX3 41 /* S_DMA_40 */

Definition at line 156 of file dma.h.

#define OMAP24XX_DMA_SPI2_RX0 44 /* S_DMA_43 */

Definition at line 159 of file dma.h.

#define OMAP24XX_DMA_SPI2_RX1 46 /* S_DMA_45 */

Definition at line 161 of file dma.h.

#define OMAP24XX_DMA_SPI2_TX0 43 /* S_DMA_42 */

Definition at line 158 of file dma.h.

#define OMAP24XX_DMA_SPI2_TX1 45 /* S_DMA_44 */

Definition at line 160 of file dma.h.

#define OMAP24XX_DMA_SPI3_RX0 16 /* S_DMA_15 */

Definition at line 129 of file dma.h.

#define OMAP24XX_DMA_SPI3_RX1 24 /* S_DMA_23 */

Definition at line 137 of file dma.h.

#define OMAP24XX_DMA_SPI3_TX0 15 /* S_DMA_14 */

Definition at line 128 of file dma.h.

#define OMAP24XX_DMA_SPI3_TX1 23 /* S_DMA_22 */

Definition at line 136 of file dma.h.

#define OMAP24XX_DMA_UART1_RX 50 /* S_DMA_49 */

Definition at line 165 of file dma.h.

#define OMAP24XX_DMA_UART1_TX 49 /* S_DMA_48 */

Definition at line 164 of file dma.h.

#define OMAP24XX_DMA_UART2_RX 52 /* S_DMA_51 */

Definition at line 167 of file dma.h.

#define OMAP24XX_DMA_UART2_TX 51 /* S_DMA_50 */

Definition at line 166 of file dma.h.

#define OMAP24XX_DMA_UART3_RX 54 /* S_DMA_53 */

Definition at line 169 of file dma.h.

#define OMAP24XX_DMA_UART3_TX 53 /* S_DMA_52 */

Definition at line 168 of file dma.h.

#define OMAP24XX_DMA_USB_W2FC_RX0 56 /* S_DMA_55 */

Definition at line 171 of file dma.h.

#define OMAP24XX_DMA_USB_W2FC_RX1 58 /* S_DMA_57 */

Definition at line 173 of file dma.h.

#define OMAP24XX_DMA_USB_W2FC_RX2 60 /* S_DMA_59 */

Definition at line 175 of file dma.h.

#define OMAP24XX_DMA_USB_W2FC_TX0 55 /* S_DMA_54 */

Definition at line 170 of file dma.h.

#define OMAP24XX_DMA_USB_W2FC_TX1 57 /* S_DMA_56 */

Definition at line 172 of file dma.h.

#define OMAP24XX_DMA_USB_W2FC_TX2 59 /* S_DMA_58 */

Definition at line 174 of file dma.h.

#define OMAP24XX_DMA_XTI_DMA 1 /* S_DMA_0 */

Definition at line 99 of file dma.h.

#define OMAP2_DMA_MISALIGNED_ERR_IRQ (1 << 11)

Definition at line 218 of file dma.h.

#define OMAP2_DMA_PKT_IRQ (1 << 7)

Definition at line 214 of file dma.h.

#define OMAP2_DMA_SECURE_ERR_IRQ (1 << 9)

Definition at line 216 of file dma.h.

#define OMAP2_DMA_SUPERVISOR_ERR_IRQ (1 << 10)

Definition at line 217 of file dma.h.

#define OMAP2_DMA_TRANS_ERR_IRQ (1 << 8)

Definition at line 215 of file dma.h.

#define OMAP34XX_DMA_AES2_RX 66 /* S_DMA_65 */

Definition at line 183 of file dma.h.

#define OMAP34XX_DMA_AES2_TX 65 /* S_DMA_64 */

Definition at line 182 of file dma.h.

#define OMAP34XX_DMA_DES2_RX 68 /* S_DMA_67 */

Definition at line 185 of file dma.h.

#define OMAP34XX_DMA_DES2_TX 67 /* S_DMA_66 */

Definition at line 184 of file dma.h.

#define OMAP34XX_DMA_EXT_DMAREQ3 64 /* S_DMA_63 */

Definition at line 181 of file dma.h.

#define OMAP34XX_DMA_I2C3_RX 26 /* S_DMA_25 */

Definition at line 141 of file dma.h.

#define OMAP34XX_DMA_I2C3_TX 25 /* S_DMA_24 */

Definition at line 140 of file dma.h.

#define OMAP34XX_DMA_MMC3_RX 78 /* S_DMA_77 */

Definition at line 194 of file dma.h.

#define OMAP34XX_DMA_MMC3_TX 77 /* S_DMA_76 */

Definition at line 193 of file dma.h.

#define OMAP34XX_DMA_SHA1MD5_RX 69 /* S_DMA_68 */

Definition at line 186 of file dma.h.

#define OMAP34XX_DMA_SHA2MD5_RX 13 /* S_DMA_12 */

Definition at line 113 of file dma.h.

#define OMAP34XX_DMA_SPI4_RX0 71 /* S_DMA_70 */

Definition at line 188 of file dma.h.

#define OMAP34XX_DMA_SPI4_TX0 70 /* S_DMA_69 */

Definition at line 187 of file dma.h.

#define OMAP34XX_DMA_USIM_RX 80 /* S_DMA_79 */

Definition at line 196 of file dma.h.

#define OMAP34XX_DMA_USIM_TX 79 /* S_DMA_78 */

Definition at line 195 of file dma.h.

#define OMAP34XX_DSS_DMA0 72 /* S_DMA_71 */

Definition at line 189 of file dma.h.

#define OMAP34XX_DSS_DMA1 73 /* S_DMA_72 */

Definition at line 190 of file dma.h.

#define OMAP34XX_DSS_DMA2 74 /* S_DMA_73 */

Definition at line 191 of file dma.h.

#define OMAP34XX_DSS_DMA3 75 /* S_DMA_74 */

Definition at line 192 of file dma.h.

#define OMAP36XX_DMA_UART4_RX 82 /* S_DMA_81 */

Definition at line 199 of file dma.h.

#define OMAP36XX_DMA_UART4_TX 81 /* S_DMA_80 */

Definition at line 198 of file dma.h.

#define OMAP_DMA_AMODE_CONSTANT 0x00

Definition at line 246 of file dma.h.

#define OMAP_DMA_AMODE_DOUBLE_IDX 0x03

Definition at line 249 of file dma.h.

#define OMAP_DMA_AMODE_POST_INC 0x01

Definition at line 247 of file dma.h.

#define OMAP_DMA_AMODE_SINGLE_IDX 0x02

Definition at line 248 of file dma.h.

#define OMAP_DMA_BLOCK_IRQ (1 << 5)

Definition at line 212 of file dma.h.

#define OMAP_DMA_CAMERA_IF_RX 20

Definition at line 57 of file dma.h.

#define OMAP_DMA_CCP_ATTN 36

Definition at line 75 of file dma.h.

#define OMAP_DMA_CCP_FIFO_NOT_EMPTY 37

Definition at line 76 of file dma.h.

#define OMAP_DMA_CCR_BUFFERING_DISABLE (1 << 25)

Definition at line 224 of file dma.h.

#define OMAP_DMA_CCR_EN (1 << 7)

Definition at line 220 of file dma.h.

#define OMAP_DMA_CCR_RD_ACTIVE (1 << 9)

Definition at line 221 of file dma.h.

#define OMAP_DMA_CCR_SEL_SRC_DST_SYNC (1 << 24)

Definition at line 223 of file dma.h.

#define OMAP_DMA_CCR_WR_ACTIVE (1 << 10)

Definition at line 222 of file dma.h.

#define OMAP_DMA_CHAIN_ACTIVE 0x1

Definition at line 282 of file dma.h.

#define OMAP_DMA_CHAIN_INACTIVE 0x0

Definition at line 283 of file dma.h.

#define OMAP_DMA_CMT_APE_RV_CHAN_0 39

Definition at line 78 of file dma.h.

#define OMAP_DMA_CMT_APE_RV_CHAN_1 41

Definition at line 80 of file dma.h.

#define OMAP_DMA_CMT_APE_RV_CHAN_2 43

Definition at line 82 of file dma.h.

#define OMAP_DMA_CMT_APE_RV_CHAN_3 45

Definition at line 84 of file dma.h.

#define OMAP_DMA_CMT_APE_RV_CHAN_4 47

Definition at line 86 of file dma.h.

#define OMAP_DMA_CMT_APE_RV_CHAN_5 49

Definition at line 88 of file dma.h.

#define OMAP_DMA_CMT_APE_RV_CHAN_6 51

Definition at line 90 of file dma.h.

#define OMAP_DMA_CMT_APE_RV_CHAN_7 53

Definition at line 92 of file dma.h.

#define OMAP_DMA_CMT_APE_TX_CHAN_0 38

Definition at line 77 of file dma.h.

#define OMAP_DMA_CMT_APE_TX_CHAN_1 40

Definition at line 79 of file dma.h.

#define OMAP_DMA_CMT_APE_TX_CHAN_2 42

Definition at line 81 of file dma.h.

#define OMAP_DMA_CMT_APE_TX_CHAN_3 44

Definition at line 83 of file dma.h.

#define OMAP_DMA_CMT_APE_TX_CHAN_4 46

Definition at line 85 of file dma.h.

#define OMAP_DMA_CMT_APE_TX_CHAN_5 48

Definition at line 87 of file dma.h.

#define OMAP_DMA_CMT_APE_TX_CHAN_6 50

Definition at line 89 of file dma.h.

#define OMAP_DMA_CMT_APE_TX_CHAN_7 52

Definition at line 91 of file dma.h.

#define OMAP_DMA_CRYPTO_DES_IN 32

Definition at line 71 of file dma.h.

#define OMAP_DMA_CRYPTO_DES_OUT 56

Definition at line 95 of file dma.h.

#define OMAP_DMA_CRYPTO_HASH 35

Definition at line 74 of file dma.h.

#define OMAP_DMA_DATA_TYPE_S16 0x01

Definition at line 227 of file dma.h.

#define OMAP_DMA_DATA_TYPE_S32 0x02

Definition at line 228 of file dma.h.

#define OMAP_DMA_DATA_TYPE_S8 0x00

Definition at line 226 of file dma.h.

#define OMAP_DMA_DROP_IRQ (1 << 1)

Definition at line 208 of file dma.h.

#define OMAP_DMA_DST_SYNC 0x00

Definition at line 237 of file dma.h.

#define OMAP_DMA_DST_SYNC_PREFETCH 0x02

Definition at line 235 of file dma.h.

#define OMAP_DMA_DYNAMIC_CHAIN 0x2

Definition at line 281 of file dma.h.

#define OMAP_DMA_EXT_NDMA_REQ 5

Definition at line 42 of file dma.h.

#define OMAP_DMA_EXT_NDMA_REQ2 6

Definition at line 43 of file dma.h.

#define OMAP_DMA_FRAME_IRQ (1 << 3)

Definition at line 210 of file dma.h.

#define OMAP_DMA_HALF_IRQ (1 << 2)

Definition at line 209 of file dma.h.

#define OMAP_DMA_I2C_RX 3

Definition at line 40 of file dma.h.

#define OMAP_DMA_I2C_TX 4

Definition at line 41 of file dma.h.

#define OMAP_DMA_IRQ_LCD_LINE 24

Definition at line 61 of file dma.h.

#define OMAP_DMA_LAST_IRQ (1 << 4)

Definition at line 211 of file dma.h.

#define OMAP_DMA_MCBSP1_RX 9

Definition at line 46 of file dma.h.

#define OMAP_DMA_MCBSP1_TX 8

Definition at line 45 of file dma.h.

#define OMAP_DMA_MCBSP2_RX 17

Definition at line 54 of file dma.h.

#define OMAP_DMA_MCBSP2_TX 16

Definition at line 53 of file dma.h.

#define OMAP_DMA_MCBSP3_RX 11

Definition at line 48 of file dma.h.

#define OMAP_DMA_MCBSP3_TX 10

Definition at line 47 of file dma.h.

#define OMAP_DMA_MCSI1_RX 2

Definition at line 39 of file dma.h.

#define OMAP_DMA_MCSI1_TX 1

Definition at line 38 of file dma.h.

#define OMAP_DMA_MEMORY_STICK 25

Definition at line 62 of file dma.h.

#define OMAP_DMA_MMC2_RX 55

Definition at line 94 of file dma.h.

#define OMAP_DMA_MMC2_TX 54

Definition at line 93 of file dma.h.

#define OMAP_DMA_MMC_RX 22

Definition at line 59 of file dma.h.

#define OMAP_DMA_MMC_TX 21

Definition at line 58 of file dma.h.

#define OMAP_DMA_NAND 23

Definition at line 60 of file dma.h.

#define OMAP_DMA_NO_DEVICE 0

Definition at line 37 of file dma.h.

#define OMAP_DMA_PORT_EMIFF 0x00

Definition at line 239 of file dma.h.

#define OMAP_DMA_PORT_EMIFS 0x01

Definition at line 240 of file dma.h.

#define OMAP_DMA_PORT_MPUI 0x05

Definition at line 244 of file dma.h.

#define OMAP_DMA_PORT_OCP_T1 0x02

Definition at line 241 of file dma.h.

#define OMAP_DMA_PORT_OCP_T2 0x04

Definition at line 243 of file dma.h.

#define OMAP_DMA_PORT_TIPB 0x03

Definition at line 242 of file dma.h.

#define OMAP_DMA_SPI_RX 34

Definition at line 73 of file dma.h.

#define OMAP_DMA_SPI_TX 33

Definition at line 72 of file dma.h.

#define OMAP_DMA_SRC_SYNC 0x01

Definition at line 236 of file dma.h.

#define OMAP_DMA_STATIC_CHAIN 0x1

Definition at line 280 of file dma.h.

#define OMAP_DMA_SYNC_BLOCK 0x02

Definition at line 232 of file dma.h.

#define OMAP_DMA_SYNC_ELEMENT 0x00

Definition at line 230 of file dma.h.

#define OMAP_DMA_SYNC_FRAME 0x01

Definition at line 231 of file dma.h.

#define OMAP_DMA_SYNC_PACKET 0x03

Definition at line 233 of file dma.h.

#define OMAP_DMA_UART1_RX 13

Definition at line 50 of file dma.h.

#define OMAP_DMA_UART1_TX 12

Definition at line 49 of file dma.h.

#define OMAP_DMA_UART2_RX 15

Definition at line 52 of file dma.h.

#define OMAP_DMA_UART2_TX 14

Definition at line 51 of file dma.h.

#define OMAP_DMA_UART3_RX 19

Definition at line 56 of file dma.h.

#define OMAP_DMA_UART3_TX 18

Definition at line 55 of file dma.h.

#define OMAP_DMA_USB_W2FC_RX0 26

Definition at line 63 of file dma.h.

#define OMAP_DMA_USB_W2FC_RX1 27

Definition at line 64 of file dma.h.

#define OMAP_DMA_USB_W2FC_RX2 28

Definition at line 65 of file dma.h.

#define OMAP_DMA_USB_W2FC_TX0 29

Definition at line 66 of file dma.h.

#define OMAP_DMA_USB_W2FC_TX1 30

Definition at line 67 of file dma.h.

#define OMAP_DMA_USB_W2FC_TX2 31

Definition at line 68 of file dma.h.

#define OMAP_DMA_UWIRE_TX 7

Definition at line 44 of file dma.h.

#define RESERVE_CHANNEL BIT(0x2)

Definition at line 304 of file dma.h.

#define SET_DMA_ERRATA ( id ) (errata |= (id))

Definition at line 291 of file dma.h.

#define SRC_INDEX BIT(0x9)

Definition at line 311 of file dma.h.

#define SRC_PORT BIT(0x7)

Definition at line 309 of file dma.h.

Enumeration Type Documentation

enum end_type

Enumerator:

OMAP_DMA_LITTLE_ENDIAN
OMAP_DMA_BIG_ENDIAN

Definition at line 358 of file dma.h.

enum omap_dma_burst_mode

Enumerator:

OMAP_DMA_DATA_BURST_DIS
OMAP_DMA_DATA_BURST_4
OMAP_DMA_DATA_BURST_8
OMAP_DMA_DATA_BURST_16

Definition at line 351 of file dma.h.

enum omap_dma_channel_mode

Enumerator:

OMAP_DMA_LCH_2D
OMAP_DMA_LCH_G
OMAP_DMA_LCH_P
OMAP_DMA_LCH_PD

Definition at line 375 of file dma.h.

enum omap_dma_color_mode

Enumerator:

OMAP_DMA_COLOR_DIS
OMAP_DMA_CONSTANT_FILL
OMAP_DMA_TRANSPARENT_COPY

Definition at line 363 of file dma.h.

enum omap_dma_write_mode

Enumerator:

OMAP_DMA_WRITE_NON_POSTED
OMAP_DMA_WRITE_POSTED
OMAP_DMA_WRITE_LAST_NON_POSTED

Definition at line 369 of file dma.h.

enum omap_reg_offsets

Enumerator:

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
CPC
CCR2
LCH_CTRL
CSDP
CCR
CICR
CSR
CEN
CFN
CSFI
CSEI
CSAC
CDAC
CDEI
CDFI
CLNK_CTRL
CSSA
CDSA
COLOR
CCEN
CCFN
CDP
CNDP
CCDN

Definition at line 322 of file dma.h.

Function Documentation

void omap_clear_dma ( int lch )

Definition at line 867 of file dma.c.

void omap_disable_dma_irq	(	int	ch,
		u16	irq_bits
	)

Definition at line 602 of file dma.c.

int omap_dma_chain_a_transfer	(	int	chain_id,
		int	src_start,
		int	dest_start,
		int	elem_count,
		int	frame_count,
		void *	callbk_data
	)

omap_dma_chain_a_transfer - Get a free channel from a chain, set the params and start the transfer.

Parameters

chain_id
src_start	- buffer start address
dest_start	- Dest address
elem_count
frame_count
callbk_data	- channel callback parameter data.

Returns: - Success : 0 Failure: -EINVAL/-EBUSY

Definition at line 1456 of file dma.c.

int omap_dma_chain_status ( int chain_id )

omap_dma_chain_status - Check if the chain is in active / inactive state.

Parameters

chain_id

Returns: - Success : OMAP_DMA_CHAIN_ACTIVE/OMAP_DMA_CHAIN_INACTIVE Failure : -EINVAL

Definition at line 1419 of file dma.c.

void omap_dma_disable_irq ( int lch )

void omap_dma_global_context_restore ( void )

Definition at line 1982 of file dma.c.

void omap_dma_global_context_save ( void )

Definition at line 1973 of file dma.c.

void omap_dma_link_lch	(	int	lch_head,
		int	lch_queue
	)

Definition at line 1140 of file dma.c.

int omap_dma_running ( void )

Definition at line 1120 of file dma.c.

void omap_dma_set_global_params	(	int	arb_rate,
		int	max_fifo_depth,
		int	tparams
	)

omap_dma_set_global_params : Set global priority settings for dma

Parameters

arb_rate
max_fifo_depth
tparams	- Number of threads to reserve : DMA_THREAD_RESERVE_NORM DMA_THREAD_RESERVE_ONET DMA_THREAD_RESERVE_TWOT DMA_THREAD_RESERVE_THREET

Definition at line 809 of file dma.c.

int omap_dma_set_prio_lch	(	int	lch,
		unsigned char	read_prio,
		unsigned char	write_prio
	)

omap_dma_set_prio_lch : Set channel wise priority settings

Parameters

lch
read_prio	- Read priority
write_prio	- Write priority Both of the above can be set with one of the following values : DMA_CH_PRIO_HIGH/DMA_CH_PRIO_LOW

Definition at line 841 of file dma.c.

void omap_dma_unlink_lch	(	int	lch_head,
		int	lch_queue
	)

Definition at line 1166 of file dma.c.

void omap_enable_dma_irq	(	int	ch,
		u16	irq_bits
	)

Definition at line 596 of file dma.c.

void omap_free_dma ( int ch )

Definition at line 766 of file dma.c.

int omap_free_dma_chain ( int chain_id )

omap_free_dma_chain - Free all the logical channels in a chain.

Parameters

chain_id

Returns: - Success : 0 Failure : -EINVAL

Definition at line 1375 of file dma.c.

int omap_get_dma_active_status ( int lch )

Definition at line 1114 of file dma.c.

int omap_get_dma_chain_dst_pos ( int chain_id )

omap_get_dma_chain_dst_pos - Get the destination position of the ongoing DMA in chain

Parameters

chain_id

Returns: - Success : Destination position Failure : -EINVAL

Definition at line 1748 of file dma.c.

int omap_get_dma_chain_index	(	int	chain_id,
		int *	ei,
		int *	fi
	)

omap_get_dma_chain_index - Get the element and frame index of the ongoing DMA in chain

Parameters

chain_id
ei	- Element index
fi	- Frame index

Returns: - Success : 0 Failure : -EINVAL

Definition at line 1708 of file dma.c.

int omap_get_dma_chain_src_pos ( int chain_id )

omap_get_dma_chain_src_pos - Get the source position of the ongoing DMA in chain

Parameters

chain_id

Returns: - Success : Destination position Failure : -EINVAL

Definition at line 1782 of file dma.c.

dma_addr_t omap_get_dma_dst_pos ( int lch )

Definition at line 1083 of file dma.c.

int omap_get_dma_index	(	int	lch,
		int *	ei,
		int *	fi
	)

dma_addr_t omap_get_dma_src_pos ( int lch )

Definition at line 1044 of file dma.c.

void __init omap_init_consistent_dma_size ( void )

Definition at line 34 of file common.c.

int omap_modify_dma_chain_params	(	int	chain_id,
		struct omap_dma_channel_params	params
	)

omap_modify_dma_chain_param : Modify the chain's params - Modify the params after setting it. Dont do this while dma is running!!

Parameters

chain_id	- Chained logical channel id.
params

Returns: - Success : 0 Failure : -EINVAL

Definition at line 1334 of file dma.c.

int omap_request_dma	(	int	dev_id,
		const char *	dev_name,
		void()(int lch, u16 ch_status, void data)	callback,
		void *	data,
		int *	dma_ch
	)

Definition at line 689 of file dma.c.

int omap_request_dma_chain	(	int	dev_id,
		const char *	dev_name,
		void()(int lch, u16 ch_status, void data)	callback,
		int *	chain_id,
		int	no_of_chans,
		int	chain_mode,
		struct omap_dma_channel_params	params
	)

omap_request_dma_chain : Request a chain of DMA channels

Parameters

dev_id	- Device id using the dma channel
dev_name	- Device name
callback	- Call back function - - Number of channels requested - Dynamic or static chaining : OMAP_DMA_STATIC_CHAIN OMAP_DMA_DYNAMIC_CHAIN - Channel parameters

Returns: - Success : 0 Failure: -EINVAL/-ENOMEM

Definition at line 1245 of file dma.c.

int omap_set_dma_callback	(	int	lch,
		void()(int lch, u16 ch_status, void data)	callback,
		void *	data
	)

Definition at line 1013 of file dma.c.

void omap_set_dma_channel_mode	(	int	lch,
		enum omap_dma_channel_mode	mode
	)

Definition at line 356 of file dma.c.

void omap_set_dma_color_mode	(	int	lch,
		enum omap_dma_color_mode	mode,
		u32	color
	)

Definition at line 283 of file dma.c.

void omap_set_dma_dest_burst_mode	(	int	lch,
		enum omap_dma_burst_mode	burst_mode
	)

Definition at line 531 of file dma.c.

void omap_set_dma_dest_data_pack	(	int	lch,
		int	enable
	)

Definition at line 519 of file dma.c.

void omap_set_dma_dest_index	(	int	lch,
		int	eidx,
		int	fidx
	)

Definition at line 509 of file dma.c.

void omap_set_dma_dest_params	(	int	lch,
		int	dest_port,
		int	dest_amode,
		unsigned long	dest_start,
		int	dst_ei,
		int	dst_fi
	)

Definition at line 484 of file dma.c.

void omap_set_dma_dst_endian_type	(	int	lch,
		enum end_type	etype
	)

void omap_set_dma_params	(	int	lch,
		struct omap_dma_channel_params *	params
	)

Definition at line 397 of file dma.c.

void omap_set_dma_priority	(	int	lch,
		int	dst_port,
		int	priority
	)

Definition at line 178 of file dma.c.

void omap_set_dma_src_burst_mode	(	int	lch,
		enum omap_dma_burst_mode	burst_mode
	)

Definition at line 438 of file dma.c.

void omap_set_dma_src_data_pack	(	int	lch,
		int	enable
	)

Definition at line 426 of file dma.c.

void omap_set_dma_src_endian_type	(	int	lch,
		enum end_type	etype
	)

void omap_set_dma_src_index	(	int	lch,
		int	eidx,
		int	fidx
	)

Definition at line 416 of file dma.c.

void omap_set_dma_src_params	(	int	lch,
		int	src_port,
		int	src_amode,
		unsigned long	src_start,
		int	src_ei,
		int	src_fi
	)

Definition at line 370 of file dma.c.

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
	)

Definition at line 220 of file dma.c.

void omap_set_dma_write_mode	(	int	lch,
		enum omap_dma_write_mode	mode
	)

Definition at line 343 of file dma.c.

void omap_start_dma ( int lch )

Definition at line 877 of file dma.c.

int omap_start_dma_chain_transfers ( int chain_id )

omap_start_dma_chain_transfers - Start the chain

Parameters

chain_id

Returns: - Success : 0 Failure : -EINVAL/-EBUSY

Definition at line 1593 of file dma.c.

void omap_stop_dma ( int lch )

Definition at line 938 of file dma.c.

int omap_stop_dma_chain_transfers ( int chain_id )

omap_stop_dma_chain_transfers - Stop the dma transfer of a chain.

Parameters

chain_id

Returns: - Success : 0 Failure : EINVAL

Definition at line 1645 of file dma.c.

Data Structures

Macros

Enumerations

Functions

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation