1*83d290c5STom Rini /* SPDX-License-Identifier: GPL-2.0+ */ 24c4bb19dSSimon Schwarz #ifndef __SDMA_H 34c4bb19dSSimon Schwarz #define __SDMA_H 44c4bb19dSSimon Schwarz 54c4bb19dSSimon Schwarz /* Copyright (C) 2011 64c4bb19dSSimon Schwarz * Corscience GmbH & Co. KG - Simon Schwarz <schwarz@corscience.de> 74c4bb19dSSimon Schwarz */ 84c4bb19dSSimon Schwarz 94c4bb19dSSimon Schwarz /* Functions */ 104c4bb19dSSimon Schwarz void omap3_dma_init(void); 114c4bb19dSSimon Schwarz int omap3_dma_conf_transfer(uint32_t chan, uint32_t *src, uint32_t *dst, 124c4bb19dSSimon Schwarz uint32_t sze); 134c4bb19dSSimon Schwarz int omap3_dma_start_transfer(uint32_t chan); 144c4bb19dSSimon Schwarz int omap3_dma_wait_for_transfer(uint32_t chan); 154c4bb19dSSimon Schwarz int omap3_dma_conf_chan(uint32_t chan, struct dma4_chan *config); 164c4bb19dSSimon Schwarz int omap3_dma_get_conf_chan(uint32_t chan, struct dma4_chan *config); 174c4bb19dSSimon Schwarz 184c4bb19dSSimon Schwarz /* Register settings */ 194c4bb19dSSimon Schwarz #define CSDP_DATA_TYPE_8BIT 0x0 204c4bb19dSSimon Schwarz #define CSDP_DATA_TYPE_16BIT 0x1 214c4bb19dSSimon Schwarz #define CSDP_DATA_TYPE_32BIT 0x2 224c4bb19dSSimon Schwarz #define CSDP_SRC_BURST_SINGLE (0x0 << 7) 234c4bb19dSSimon Schwarz #define CSDP_SRC_BURST_EN_16BYTES (0x1 << 7) 244c4bb19dSSimon Schwarz #define CSDP_SRC_BURST_EN_32BYTES (0x2 << 7) 254c4bb19dSSimon Schwarz #define CSDP_SRC_BURST_EN_64BYTES (0x3 << 7) 264c4bb19dSSimon Schwarz #define CSDP_DST_BURST_SINGLE (0x0 << 14) 274c4bb19dSSimon Schwarz #define CSDP_DST_BURST_EN_16BYTES (0x1 << 14) 284c4bb19dSSimon Schwarz #define CSDP_DST_BURST_EN_32BYTES (0x2 << 14) 294c4bb19dSSimon Schwarz #define CSDP_DST_BURST_EN_64BYTES (0x3 << 14) 304c4bb19dSSimon Schwarz #define CSDP_DST_ENDIAN_LOCK_ADAPT (0x0 << 18) 314c4bb19dSSimon Schwarz #define CSDP_DST_ENDIAN_LOCK_LOCK (0x1 << 18) 324c4bb19dSSimon Schwarz #define CSDP_DST_ENDIAN_LITTLE (0x0 << 19) 334c4bb19dSSimon Schwarz #define CSDP_DST_ENDIAN_BIG (0x1 << 19) 344c4bb19dSSimon Schwarz #define CSDP_SRC_ENDIAN_LOCK_ADAPT (0x0 << 20) 354c4bb19dSSimon Schwarz #define CSDP_SRC_ENDIAN_LOCK_LOCK (0x1 << 20) 364c4bb19dSSimon Schwarz #define CSDP_SRC_ENDIAN_LITTLE (0x0 << 21) 374c4bb19dSSimon Schwarz #define CSDP_SRC_ENDIAN_BIG (0x1 << 21) 384c4bb19dSSimon Schwarz 394c4bb19dSSimon Schwarz #define CCR_READ_PRIORITY_LOW (0x0 << 6) 404c4bb19dSSimon Schwarz #define CCR_READ_PRIORITY_HIGH (0x1 << 6) 414c4bb19dSSimon Schwarz #define CCR_ENABLE_DISABLED (0x0 << 7) 424c4bb19dSSimon Schwarz #define CCR_ENABLE_ENABLE (0x1 << 7) 434c4bb19dSSimon Schwarz #define CCR_SRC_AMODE_CONSTANT (0x0 << 12) 444c4bb19dSSimon Schwarz #define CCR_SRC_AMODE_POST_INC (0x1 << 12) 454c4bb19dSSimon Schwarz #define CCR_SRC_AMODE_SINGLE_IDX (0x2 << 12) 464c4bb19dSSimon Schwarz #define CCR_SRC_AMODE_DOUBLE_IDX (0x3 << 12) 474c4bb19dSSimon Schwarz #define CCR_DST_AMODE_CONSTANT (0x0 << 14) 484c4bb19dSSimon Schwarz #define CCR_DST_AMODE_POST_INC (0x1 << 14) 494c4bb19dSSimon Schwarz #define CCR_DST_AMODE_SINGLE_IDX (0x2 << 14) 504c4bb19dSSimon Schwarz #define CCR_DST_AMODE_SOUBLE_IDX (0x3 << 14) 514c4bb19dSSimon Schwarz 524c4bb19dSSimon Schwarz #define CCR_RD_ACTIVE_MASK (1 << 9) 534c4bb19dSSimon Schwarz #define CCR_WR_ACTIVE_MASK (1 << 10) 544c4bb19dSSimon Schwarz 554c4bb19dSSimon Schwarz #define CSR_TRANS_ERR (1 << 8) 564c4bb19dSSimon Schwarz #define CSR_SUPERVISOR_ERR (1 << 10) 574c4bb19dSSimon Schwarz #define CSR_MISALIGNED_ADRS_ERR (1 << 11) 584c4bb19dSSimon Schwarz 594c4bb19dSSimon Schwarz /* others */ 604c4bb19dSSimon Schwarz #define CHAN_NR_MIN 0 614c4bb19dSSimon Schwarz #define CHAN_NR_MAX 31 624c4bb19dSSimon Schwarz 634c4bb19dSSimon Schwarz #endif /* __SDMA_H */ 64