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/*
 * bfin_dma.h - Blackfin DMA defines/structures/etc...
 *
 * Copyright 2004-2010 Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
 */

#ifndef __ASM_BFIN_DMA_H__
#define __ASM_BFIN_DMA_H__

#include <linux/types.h>

/* DMA_CONFIG Masks */
#define DMAEN			0x0001	/* DMA Channel Enable */
#define WNR				0x0002	/* Channel Direction (W/R*) */
#define WDSIZE_8		0x0000	/* Transfer Word Size = 8 */
#define PSIZE_8			0x00000000	/* Transfer Word Size = 16 */

#ifdef CONFIG_BF60x

#define PSIZE_16		0x00000010	/* Transfer Word Size = 16 */
#define PSIZE_32		0x00000020	/* Transfer Word Size = 32 */
#define PSIZE_64		0x00000030	/* Transfer Word Size = 32 */
#define WDSIZE_16		0x00000100	/* Transfer Word Size = 16 */
#define WDSIZE_32		0x00000200	/* Transfer Word Size = 32 */
#define WDSIZE_64		0x00000300	/* Transfer Word Size = 32 */
#define WDSIZE_128		0x00000400	/* Transfer Word Size = 32 */
#define WDSIZE_256		0x00000500	/* Transfer Word Size = 32 */
#define DMA2D			0x04000000	/* DMA Mode (2D/1D*) */
#define RESTART			0x00000004	/* DMA Buffer Clear SYNC */
#define DI_EN_X			0x00100000	/* Data Interrupt Enable in X count */
#define DI_EN_Y			0x00200000	/* Data Interrupt Enable in Y count */
#define DI_EN_P			0x00300000	/* Data Interrupt Enable in Peripheral */
#define DI_EN			DI_EN_X		/* Data Interrupt Enable */
#define NDSIZE_0		0x00000000	/* Next Descriptor Size = 1 */
#define NDSIZE_1		0x00010000	/* Next Descriptor Size = 2 */
#define NDSIZE_2		0x00020000	/* Next Descriptor Size = 3 */
#define NDSIZE_3		0x00030000	/* Next Descriptor Size = 4 */
#define NDSIZE_4		0x00040000	/* Next Descriptor Size = 5 */
#define NDSIZE_5		0x00050000	/* Next Descriptor Size = 6 */
#define NDSIZE_6		0x00060000	/* Next Descriptor Size = 7 */
#define NDSIZE			0x00070000	/* Next Descriptor Size */
#define NDSIZE_OFFSET		16		/* Next Descriptor Size Offset */
#define DMAFLOW_LIST		0x00004000	/* Descriptor List Mode */
#define DMAFLOW_LARGE		DMAFLOW_LIST
#define DMAFLOW_ARRAY		0x00005000	/* Descriptor Array Mode */
#define DMAFLOW_LIST_DEMAND	0x00006000	/* Descriptor Demand List Mode */
#define DMAFLOW_ARRAY_DEMAND	0x00007000	/* Descriptor Demand Array Mode */
#define DMA_RUN_DFETCH		0x00000100	/* DMA Channel Running Indicator (DFETCH) */
#define DMA_RUN			0x00000200	/* DMA Channel Running Indicator */
#define DMA_RUN_WAIT_TRIG	0x00000300	/* DMA Channel Running Indicator (WAIT TRIG) */
#define DMA_RUN_WAIT_ACK	0x00000400	/* DMA Channel Running Indicator (WAIT ACK) */

#else

#define PSIZE_16		0x0000	/* Transfer Word Size = 16 */
#define PSIZE_32		0x0000	/* Transfer Word Size = 32 */
#define WDSIZE_16		0x0004	/* Transfer Word Size = 16 */
#define WDSIZE_32		0x0008	/* Transfer Word Size = 32 */
#define DMA2D			0x0010	/* DMA Mode (2D/1D*) */
#define RESTART			0x0020	/* DMA Buffer Clear */
#define DI_SEL			0x0040	/* Data Interrupt Timing Select */
#define DI_EN			0x0080	/* Data Interrupt Enable */
#define DI_EN_X			0x00C0	/* Data Interrupt Enable in X count*/
#define DI_EN_Y			0x0080	/* Data Interrupt Enable in Y count*/
#define NDSIZE_0		0x0000	/* Next Descriptor Size = 0 (Stop/Autobuffer) */
#define NDSIZE_1		0x0100	/* Next Descriptor Size = 1 */
#define NDSIZE_2		0x0200	/* Next Descriptor Size = 2 */
#define NDSIZE_3		0x0300	/* Next Descriptor Size = 3 */
#define NDSIZE_4		0x0400	/* Next Descriptor Size = 4 */
#define NDSIZE_5		0x0500	/* Next Descriptor Size = 5 */
#define NDSIZE_6		0x0600	/* Next Descriptor Size = 6 */
#define NDSIZE_7		0x0700	/* Next Descriptor Size = 7 */
#define NDSIZE_8		0x0800	/* Next Descriptor Size = 8 */
#define NDSIZE_9		0x0900	/* Next Descriptor Size = 9 */
#define NDSIZE			0x0f00	/* Next Descriptor Size */
#define NDSIZE_OFFSET		8	/* Next Descriptor Size Offset */
#define DMAFLOW_ARRAY	0x4000	/* Descriptor Array Mode */
#define DMAFLOW_SMALL	0x6000	/* Small Model Descriptor List Mode */
#define DMAFLOW_LARGE	0x7000	/* Large Model Descriptor List Mode */
#define DFETCH			0x0004	/* DMA Descriptor Fetch Indicator */
#define DMA_RUN			0x0008	/* DMA Channel Running Indicator */

#endif
#define DMAFLOW			0x7000	/* Flow Control */
#define DMAFLOW_STOP	0x0000	/* Stop Mode */
#define DMAFLOW_AUTO	0x1000	/* Autobuffer Mode */

/* DMA_IRQ_STATUS Masks */
#define DMA_DONE		0x0001	/* DMA Completion Interrupt Status */
#define DMA_ERR			0x0002	/* DMA Error Interrupt Status */
#ifdef CONFIG_BF60x
#define DMA_PIRQ		0x0004	/* DMA Peripheral Error Interrupt Status */
#else
#define DMA_PIRQ		0
#endif

/*
 * All Blackfin system MMRs are padded to 32bits even if the register
 * itself is only 16bits.  So use a helper macro to streamline this.
 */
#define __BFP(m) u16 m; u16 __pad_##m

/*
 * bfin dma registers layout
 */
struct bfin_dma_regs {
	u32 next_desc_ptr;
	u32 start_addr;
#ifdef CONFIG_BF60x
	u32 cfg;
	u32 x_count;
	u32 x_modify;
	u32 y_count;
	u32 y_modify;
	u32 pad1;
	u32 pad2;
	u32 curr_desc_ptr;
	u32 prev_desc_ptr;
	u32 curr_addr;
	u32 irq_status;
	u32 curr_x_count;
	u32 curr_y_count;
	u32 pad3;
	u32 bw_limit_count;
	u32 curr_bw_limit_count;
	u32 bw_monitor_count;
	u32 curr_bw_monitor_count;
#else
	__BFP(config);
	u32 __pad0;
	__BFP(x_count);
	__BFP(x_modify);
	__BFP(y_count);
	__BFP(y_modify);
	u32 curr_desc_ptr;
	u32 curr_addr;
	__BFP(irq_status);
	__BFP(peripheral_map);
	__BFP(curr_x_count);
	u32 __pad1;
	__BFP(curr_y_count);
	u32 __pad2;
#endif
};

#ifndef CONFIG_BF60x
/*
 * bfin handshake mdma registers layout
 */
struct bfin_hmdma_regs {
	__BFP(control);
	__BFP(ecinit);
	__BFP(bcinit);
	__BFP(ecurgent);
	__BFP(ecoverflow);
	__BFP(ecount);
	__BFP(bcount);
};
#endif

#undef __BFP

#endif

Filemanager

Name Type Size Permission Actions
Kbuild File 658 B 0644
asm-offsets.h File 35 B 0644
atomic.h File 1.55 KB 0644
barrier.h File 2.55 KB 0644
bfin-global.h File 2.8 KB 0644
bfin-lq035q1.h File 868 B 0644
bfin5xx_spi.h File 2.07 KB 0644
bfin_can.h File 36.04 KB 0644
bfin_dma.h File 5.46 KB 0644
bfin_pfmon.h File 1.11 KB 0644
bfin_ppi.h File 9.01 KB 0644
bfin_sdh.h File 7.2 KB 0644
bfin_serial.h File 17.02 KB 0644
bfin_simple_timer.h File 949 B 0644
bfin_sport.h File 1.21 KB 0644
bfin_sport3.h File 5.47 KB 0644
bfin_twi.h File 6.25 KB 0644
bfin_watchdog.h File 696 B 0644
bfrom.h File 3.36 KB 0644
bitops.h File 3.45 KB 0644
blackfin.h File 1.55 KB 0644
bug.h File 1.49 KB 0644
cache.h File 1.47 KB 0644
cacheflush.h File 3.79 KB 0644
cdef_LPBlackfin.h File 18.93 KB 0644
checksum.h File 899 B 0644
clkdev.h File 318 B 0644
clocks.h File 1.66 KB 0644
cmpxchg.h File 3.2 KB 0644
context.S File 5.92 KB 0644
cplb.h File 4.86 KB 0644
cplbinit.h File 1.6 KB 0644
cpu.h File 443 B 0644
def_LPBlackfin.h File 28.6 KB 0644
delay.h File 917 B 0644
dma-mapping.h File 1.09 KB 0644
dma.h File 9.28 KB 0644
dpmc.h File 18.24 KB 0644
early_printk.h File 1.09 KB 0644
elf.h File 4.88 KB 0644
entry.h File 5.27 KB 0644
exec.h File 37 B 0644
fixed_code.h File 806 B 0644
flat.h File 1.41 KB 0644
ftrace.h File 1.37 KB 0644
gpio.h File 5.91 KB 0644
gptimers.h File 8.95 KB 0644
hardirq.h File 301 B 0644
io.h File 1.52 KB 0644
ipipe.h File 5.81 KB 0644
ipipe_base.h File 2.38 KB 0644
irq.h File 879 B 0644
irq_handler.h File 1.93 KB 0644
irqflags.h File 7.13 KB 0644
kgdb.h File 3.23 KB 0644
l1layout.h File 879 B 0644
linkage.h File 205 B 0644
mem_init.h File 13.1 KB 0644
mem_map.h File 1.73 KB 0644
mmu.h File 713 B 0644
mmu_context.h File 5.35 KB 0644
module.h File 410 B 0644
nand.h File 895 B 0644
nmi.h File 195 B 0644
page.h File 546 B 0644
page_offset.h File 192 B 0644
pci.h File 310 B 0644
pda.h File 1.86 KB 0644
perf_event.h File 23 B 0644
pgtable.h File 3 KB 0644
pm.h File 590 B 0644
portmux.h File 16.38 KB 0644
processor.h File 3.21 KB 0644
pseudo_instructions.h File 391 B 0644
ptrace.h File 1.19 KB 0644
reboot.h File 446 B 0644
rwlock.h File 142 B 0644
scb.h File 445 B 0644
sections.h File 2 KB 0644
segment.h File 226 B 0644
smp.h File 1.34 KB 0644
spinlock.h File 1.87 KB 0644
spinlock_types.h File 495 B 0644
string.h File 1.04 KB 0644
switch_to.h File 997 B 0644
syscall.h File 2.15 KB 0644
thread_info.h File 2.66 KB 0644
time.h File 1.33 KB 0644
timex.h File 477 B 0644
tlb.h File 481 B 0644
tlbflush.h File 88 B 0644
trace.h File 2.67 KB 0644
traps.h File 4.87 KB 0644
uaccess.h File 5.79 KB 0644
unistd.h File 523 B 0644
vga.h File 29 B 0644