/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __LINUX_OMAP_DMA_H #define __LINUX_OMAP_DMA_H /* * Legacy OMAP DMA handling defines and functions * * NOTE: Do not use these any longer. * * Use the generic dmaengine functions as defined in * include/linux/dmaengine.h. * * Copyright (C) 2003 Nokia Corporation * Author: Juha Yrjölä <[email protected]> * */ #include <linux/platform_device.h> #define INT_DMA_LCD … #define OMAP1_DMA_TOUT_IRQ … #define OMAP_DMA_DROP_IRQ … #define OMAP_DMA_HALF_IRQ … #define OMAP_DMA_FRAME_IRQ … #define OMAP_DMA_LAST_IRQ … #define OMAP_DMA_BLOCK_IRQ … #define OMAP1_DMA_SYNC_IRQ … #define OMAP2_DMA_PKT_IRQ … #define OMAP2_DMA_TRANS_ERR_IRQ … #define OMAP2_DMA_SECURE_ERR_IRQ … #define OMAP2_DMA_SUPERVISOR_ERR_IRQ … #define OMAP2_DMA_MISALIGNED_ERR_IRQ … #define OMAP_DMA_CCR_EN … #define OMAP_DMA_CCR_RD_ACTIVE … #define OMAP_DMA_CCR_WR_ACTIVE … #define OMAP_DMA_CCR_SEL_SRC_DST_SYNC … #define OMAP_DMA_CCR_BUFFERING_DISABLE … #define OMAP_DMA_DATA_TYPE_S8 … #define OMAP_DMA_DATA_TYPE_S16 … #define OMAP_DMA_DATA_TYPE_S32 … #define OMAP_DMA_SYNC_ELEMENT … #define OMAP_DMA_SYNC_FRAME … #define OMAP_DMA_SYNC_BLOCK … #define OMAP_DMA_SYNC_PACKET … #define OMAP_DMA_DST_SYNC_PREFETCH … #define OMAP_DMA_SRC_SYNC … #define OMAP_DMA_DST_SYNC … #define OMAP_DMA_PORT_EMIFF … #define OMAP_DMA_PORT_EMIFS … #define OMAP_DMA_PORT_OCP_T1 … #define OMAP_DMA_PORT_TIPB … #define OMAP_DMA_PORT_OCP_T2 … #define OMAP_DMA_PORT_MPUI … #define OMAP_DMA_AMODE_CONSTANT … #define OMAP_DMA_AMODE_POST_INC … #define OMAP_DMA_AMODE_SINGLE_IDX … #define OMAP_DMA_AMODE_DOUBLE_IDX … #define DMA_DEFAULT_FIFO_DEPTH … #define DMA_DEFAULT_ARB_RATE … /* Pass THREAD_RESERVE ORed with THREAD_FIFO for tparams */ #define DMA_THREAD_RESERVE_NORM … #define DMA_THREAD_RESERVE_ONET … #define DMA_THREAD_RESERVE_TWOT … #define DMA_THREAD_RESERVE_THREET … #define DMA_THREAD_FIFO_NONE … #define DMA_THREAD_FIFO_75 … #define DMA_THREAD_FIFO_25 … #define DMA_THREAD_FIFO_50 … /* DMA4_OCP_SYSCONFIG bits */ #define DMA_SYSCONFIG_MIDLEMODE_MASK … #define DMA_SYSCONFIG_CLOCKACTIVITY_MASK … #define DMA_SYSCONFIG_EMUFREE … #define DMA_SYSCONFIG_SIDLEMODE_MASK … #define DMA_SYSCONFIG_SOFTRESET … #define DMA_SYSCONFIG_AUTOIDLE … #define DMA_SYSCONFIG_MIDLEMODE(n) … #define DMA_SYSCONFIG_SIDLEMODE(n) … #define DMA_IDLEMODE_SMARTIDLE … #define DMA_IDLEMODE_NO_IDLE … #define DMA_IDLEMODE_FORCE_IDLE … /* Chaining modes*/ #ifndef CONFIG_ARCH_OMAP1 #define OMAP_DMA_STATIC_CHAIN … #define OMAP_DMA_DYNAMIC_CHAIN … #define OMAP_DMA_CHAIN_ACTIVE … #define OMAP_DMA_CHAIN_INACTIVE … #endif #define DMA_CH_PRIO_HIGH … #define DMA_CH_PRIO_LOW … /* Errata handling */ #define IS_DMA_ERRATA(id) … #define SET_DMA_ERRATA(id) … #define DMA_ERRATA_IFRAME_BUFFERING … #define DMA_ERRATA_PARALLEL_CHANNELS … #define DMA_ERRATA_i378 … #define DMA_ERRATA_i541 … #define DMA_ERRATA_i88 … #define DMA_ERRATA_3_3 … #define DMA_ROMCODE_BUG … /* Attributes for OMAP DMA Contrller */ #define DMA_LINKED_LCH … #define GLOBAL_PRIORITY … #define RESERVE_CHANNEL … #define IS_CSSA_32 … #define IS_CDSA_32 … #define IS_RW_PRIORITY … #define ENABLE_1510_MODE … #define SRC_PORT … #define DST_PORT … #define SRC_INDEX … #define DST_INDEX … #define IS_BURST_ONLY4 … #define CLEAR_CSR_ON_READ … #define IS_WORD_16 … #define ENABLE_16XX_MODE … #define HS_CHANNELS_RESERVED … /* Defines for DMA Capabilities */ #define DMA_HAS_TRANSPARENT_CAPS … #define DMA_HAS_CONSTANT_FILL_CAPS … #define DMA_HAS_DESCRIPTOR_CAPS … enum omap_reg_offsets { … }; enum omap_dma_burst_mode { … }; enum end_type { … }; enum omap_dma_color_mode { … }; enum omap_dma_write_mode { … }; enum omap_dma_channel_mode { … }; struct omap_dma_channel_params { … }; struct omap_dma_lch { … }; struct omap_dma_dev_attr { … }; enum { … }; struct omap_dma_reg { … }; #define SDMA_FILTER_PARAM(hw_req) … struct dma_slave_map; /* System DMA platform data structure */ struct omap_system_dma_plat_info { … }; #ifdef CONFIG_ARCH_OMAP2PLUS #define dma_omap2plus … #else #define dma_omap2plus() … #endif #define dma_omap1() … #define __dma_omap15xx(d) … #define __dma_omap16xx(d) … #define dma_omap15xx() … #define dma_omap16xx() … extern struct omap_system_dma_plat_info *omap_get_plat_info(void); #if defined(CONFIG_ARCH_OMAP1) extern void omap_set_dma_priority(int lch, int dst_port, int priority); #else static inline void omap_set_dma_priority(int lch, int dst_port, int priority) { … } #endif 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_free_dma(int ch); #if IS_ENABLED(CONFIG_USB_OMAP) extern void omap_disable_dma_irq(int ch, u16 irq_bits); 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_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_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_data_pack(int lch, int enable); extern void omap_set_dma_dest_burst_mode(int lch, enum omap_dma_burst_mode burst_mode); extern dma_addr_t omap_get_dma_src_pos(int lch); extern dma_addr_t omap_get_dma_dst_pos(int lch); extern int omap_get_dma_active_status(int lch); #endif extern int omap_dma_running(void); #if IS_ENABLED(CONFIG_FB_OMAP) extern int omap_lcd_dma_running(void); #else static inline int omap_lcd_dma_running(void) { … } #endif #endif /* __LINUX_OMAP_DMA_H */
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