/* dma.h: FRV DMA controller management * * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. * Written by David Howells (dhowells@redhat.com) * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #ifndef _ASM_DMA_H #define _ASM_DMA_H //#define DMA_DEBUG 1 #include <linux/interrupt.h> #undef MAX_DMA_CHANNELS /* don't use kernel/dma.c */ /* under 2.4 this is actually needed by the new bootmem allocator */ #define MAX_DMA_ADDRESS PAGE_OFFSET /* * FRV DMA controller management */ typedef irqreturn_t (*dma_irq_handler_t)(int dmachan, unsigned long cstr, void *data); extern void frv_dma_init(void); extern int frv_dma_open(const char *devname, unsigned long dmamask, int dmacap, dma_irq_handler_t handler, unsigned long irq_flags, void *data); /* channels required */ #define FRV_DMA_MASK_ANY ULONG_MAX /* any channel */ /* capabilities required */ #define FRV_DMA_CAP_DREQ 0x01 /* DMA request pin */ #define FRV_DMA_CAP_DACK 0x02 /* DMA ACK pin */ #define FRV_DMA_CAP_DONE 0x04 /* DMA done pin */ extern void frv_dma_close(int dma); extern void frv_dma_config(int dma, unsigned long ccfr, unsigned long cctr, unsigned long apr); extern void frv_dma_start(int dma, unsigned long sba, unsigned long dba, unsigned long pix, unsigned long six, unsigned long bcl); extern void frv_dma_restart_circular(int dma, unsigned long six); extern void frv_dma_stop(int dma); extern int is_frv_dma_interrupting(int dma); extern void frv_dma_dump(int dma); extern void frv_dma_status_clear(int dma); #define FRV_DMA_NCHANS 8 #define FRV_DMA_4CHANS 4 #define FRV_DMA_8CHANS 8 #define DMAC_CCFRx 0x00 /* channel configuration reg */ #define DMAC_CCFRx_CM_SHIFT 16 #define DMAC_CCFRx_CM_DA 0x00000000 #define DMAC_CCFRx_CM_SCA 0x00010000 #define DMAC_CCFRx_CM_DCA 0x00020000 #define DMAC_CCFRx_CM_2D 0x00030000 #define DMAC_CCFRx_ATS_SHIFT 8 #define DMAC_CCFRx_RS_INTERN 0x00000000 #define DMAC_CCFRx_RS_EXTERN 0x00000001 #define DMAC_CCFRx_RS_SHIFT 0 #define DMAC_CSTRx 0x08 /* channel status reg */ #define DMAC_CSTRx_FS 0x0000003f #define DMAC_CSTRx_NE 0x00000100 #define DMAC_CSTRx_FED 0x00000200 #define DMAC_CSTRx_WER 0x00000800 #define DMAC_CSTRx_RER 0x00001000 #define DMAC_CSTRx_CE 0x00002000 #define DMAC_CSTRx_INT 0x00800000 #define DMAC_CSTRx_BUSY 0x80000000 #define DMAC_CCTRx 0x10 /* channel control reg */ #define DMAC_CCTRx_DSIZ_1 0x00000000 #define DMAC_CCTRx_DSIZ_2 0x00000001 #define DMAC_CCTRx_DSIZ_4 0x00000002 #define DMAC_CCTRx_DSIZ_32 0x00000005 #define DMAC_CCTRx_DAU_HOLD 0x00000000 #define DMAC_CCTRx_DAU_INC 0x00000010 #define DMAC_CCTRx_DAU_DEC 0x00000020 #define DMAC_CCTRx_SSIZ_1 0x00000000 #define DMAC_CCTRx_SSIZ_2 0x00000100 #define DMAC_CCTRx_SSIZ_4 0x00000200 #define DMAC_CCTRx_SSIZ_32 0x00000500 #define DMAC_CCTRx_SAU_HOLD 0x00000000 #define DMAC_CCTRx_SAU_INC 0x00001000 #define DMAC_CCTRx_SAU_DEC 0x00002000 #define DMAC_CCTRx_FC 0x08000000 #define DMAC_CCTRx_ICE 0x10000000 #define DMAC_CCTRx_IE 0x40000000 #define DMAC_CCTRx_ACT 0x80000000 #define DMAC_SBAx 0x18 /* source base address reg */ #define DMAC_DBAx 0x20 /* data base address reg */ #define DMAC_PIXx 0x28 /* primary index reg */ #define DMAC_SIXx 0x30 /* secondary index reg */ #define DMAC_BCLx 0x38 /* byte count limit reg */ #define DMAC_APRx 0x40 /* alternate pointer reg */ /* * required for PCI + MODULES */ #ifdef CONFIG_PCI extern int isa_dma_bridge_buggy; #else #define isa_dma_bridge_buggy (0) #endif #endif /* _ASM_DMA_H */
Name | Type | Size | Permission | Actions |
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Kbuild | File | 290 B | 0644 |
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asm-offsets.h | File | 35 B | 0644 |
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atomic.h | File | 4.97 KB | 0644 |
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atomic_defs.h | File | 4.66 KB | 0644 |
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ax88796.h | File | 751 B | 0644 |
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barrier.h | File | 720 B | 0644 |
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bitops.h | File | 7.12 KB | 0644 |
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bug.h | File | 1.36 KB | 0644 |
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bugs.h | File | 445 B | 0644 |
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busctl-regs.h | File | 2.02 KB | 0644 |
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cache.h | File | 727 B | 0644 |
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cacheflush.h | File | 3.05 KB | 0644 |
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checksum.h | File | 4.53 KB | 0644 |
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cmpxchg.h | File | 4.56 KB | 0644 |
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cpu-irqs.h | File | 2.59 KB | 0644 |
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current.h | File | 685 B | 0644 |
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delay.h | File | 1.28 KB | 0644 |
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div64.h | File | 31 B | 0644 |
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dm9000.h | File | 1.12 KB | 0644 |
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dma-mapping.h | File | 448 B | 0644 |
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dma.h | File | 3.63 KB | 0644 |
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elf.h | File | 5.18 KB | 0644 |
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emergency-restart.h | File | 149 B | 0644 |
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fpu.h | File | 261 B | 0644 |
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ftrace.h | File | 12 B | 0644 |
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futex.h | File | 416 B | 0644 |
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gdb-stub.h | File | 4.47 KB | 0644 |
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gpio-regs.h | File | 3.64 KB | 0644 |
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hardirq.h | File | 666 B | 0644 |
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highmem.h | File | 4.09 KB | 0644 |
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hw_irq.h | File | 484 B | 0644 |
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io.h | File | 9.75 KB | 0644 |
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irc-regs.h | File | 1.78 KB | 0644 |
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irq.h | File | 760 B | 0644 |
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irq_regs.h | File | 764 B | 0644 |
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irqflags.h | File | 3.71 KB | 0644 |
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kdebug.h | File | 32 B | 0644 |
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kmap_types.h | File | 123 B | 0644 |
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linkage.h | File | 114 B | 0644 |
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local.h | File | 140 B | 0644 |
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local64.h | File | 33 B | 0644 |
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math-emu.h | File | 6.38 KB | 0644 |
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mb-regs.h | File | 6.94 KB | 0644 |
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mb86943a.h | File | 1.84 KB | 0644 |
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mb93091-fpga-irqs.h | File | 1.06 KB | 0644 |
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mb93093-fpga-irqs.h | File | 789 B | 0644 |
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mb93493-irqs.h | File | 1.69 KB | 0644 |
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mb93493-regs.h | File | 12.46 KB | 0644 |
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mem-layout.h | File | 2.21 KB | 0644 |
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mmu.h | File | 1.26 KB | 0644 |
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mmu_context.h | File | 1.38 KB | 0644 |
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module.h | File | 617 B | 0644 |
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page.h | File | 2.08 KB | 0644 |
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pci.h | File | 1.23 KB | 0644 |
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percpu.h | File | 147 B | 0644 |
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perf_event.h | File | 487 B | 0644 |
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pgalloc.h | File | 1.87 KB | 0644 |
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pgtable.h | File | 16.02 KB | 0644 |
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processor.h | File | 2.85 KB | 0644 |
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ptrace.h | File | 1.2 KB | 0644 |
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sections.h | File | 1.1 KB | 0644 |
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segment.h | File | 1.08 KB | 0644 |
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serial-regs.h | File | 1.63 KB | 0644 |
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serial.h | File | 308 B | 0644 |
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setup.h | File | 641 B | 0644 |
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shmparam.h | File | 183 B | 0644 |
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signal.h | File | 141 B | 0644 |
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smp.h | File | 139 B | 0644 |
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spinlock.h | File | 516 B | 0644 |
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spr-regs.h | File | 17.93 KB | 0644 |
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string.h | File | 1.36 KB | 0644 |
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switch_to.h | File | 1.07 KB | 0644 |
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syscall.h | File | 2.73 KB | 0644 |
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termios.h | File | 425 B | 0644 |
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thread_info.h | File | 3.48 KB | 0644 |
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timer-regs.h | File | 3.63 KB | 0644 |
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timex.h | File | 720 B | 0644 |
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tlb.h | File | 615 B | 0644 |
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tlbflush.h | File | 1.88 KB | 0644 |
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topology.h | File | 229 B | 0644 |
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types.h | File | 595 B | 0644 |
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uaccess.h | File | 6.79 KB | 0644 |
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ucontext.h | File | 281 B | 0644 |
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unaligned.h | File | 694 B | 0644 |
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unistd.h | File | 928 B | 0644 |
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user.h | File | 3.29 KB | 0644 |
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vga.h | File | 464 B | 0644 |
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virtconvert.h | File | 1.09 KB | 0644 |
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xor.h | File | 29 B | 0644 |
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