diff options
Diffstat (limited to 'include/linux/omap-dma.h')
| -rw-r--r-- | include/linux/omap-dma.h | 56 |
1 files changed, 14 insertions, 42 deletions
diff --git a/include/linux/omap-dma.h b/include/linux/omap-dma.h index 290081620b3e..6f6c31e3fb93 100644 --- a/include/linux/omap-dma.h +++ b/include/linux/omap-dma.h @@ -1,7 +1,6 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __LINUX_OMAP_DMA_H #define __LINUX_OMAP_DMA_H -#include <linux/omap-dmaengine.h> - /* * Legacy OMAP DMA handling defines and functions * @@ -130,7 +129,6 @@ #define IS_WORD_16 BIT(0xd) #define ENABLE_16XX_MODE BIT(0xe) #define HS_CHANNELS_RESERVED BIT(0xf) -#define DMA_ENGINE_HANDLE_IRQ BIT(0x10) /* Defines for DMA Capabilities */ #define DMA_HAS_TRANSPARENT_CAPS (0x1 << 18) @@ -240,9 +238,6 @@ struct omap_dma_lch { 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; @@ -297,23 +292,28 @@ struct omap_system_dma_plat_info { #define dma_omap15xx() __dma_omap15xx(d) #define dma_omap16xx() __dma_omap16xx(d) -#if defined(CONFIG_ARCH_OMAP) 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_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); +#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_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, @@ -330,25 +330,15 @@ 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 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 int omap_get_dma_active_status(int lch); +#endif + extern int omap_dma_running(void); -extern void omap_dma_set_global_params(int arb_rate, int max_fifo_depth, - int tparams); -void omap_dma_global_context_save(void); -void omap_dma_global_context_restore(void); -#if defined(CONFIG_ARCH_OMAP1) && IS_ENABLED(CONFIG_FB_OMAP) -#include <mach/lcd_dma.h> +#if IS_ENABLED(CONFIG_FB_OMAP) +extern int omap_lcd_dma_running(void); #else static inline int omap_lcd_dma_running(void) { @@ -356,22 +346,4 @@ static inline int omap_lcd_dma_running(void) } #endif -#else /* CONFIG_ARCH_OMAP */ - -static inline struct omap_system_dma_plat_info *omap_get_plat_info(void) -{ - return NULL; -} - -static inline 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) -{ - return -ENODEV; -} - -static inline void omap_free_dma(int ch) { } - -#endif /* CONFIG_ARCH_OMAP */ - #endif /* __LINUX_OMAP_DMA_H */ |