diff options
Diffstat (limited to 'arch/arm/mach-pnx4008/include/mach/dma.h')
-rw-r--r-- | arch/arm/mach-pnx4008/include/mach/dma.h | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/arch/arm/mach-pnx4008/include/mach/dma.h b/arch/arm/mach-pnx4008/include/mach/dma.h deleted file mode 100644 index f094bf8bfb1..00000000000 --- a/arch/arm/mach-pnx4008/include/mach/dma.h +++ /dev/null @@ -1,160 +0,0 @@ -/* - * arch/arm/mach-pnx4008/include/mach/dma.h - * - * PNX4008 DMA header file - * - * Author: Vitaly Wool - * Copyright: MontaVista Software Inc. (c) 2005 - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#ifndef __ASM_ARCH_DMA_H -#define __ASM_ARCH_DMA_H - -#include "platform.h" - -#define MAX_DMA_CHANNELS 8 - -#define DMAC_BASE IO_ADDRESS(PNX4008_DMA_CONFIG_BASE) -#define DMAC_INT_STAT (DMAC_BASE + 0x0000) -#define DMAC_INT_TC_STAT (DMAC_BASE + 0x0004) -#define DMAC_INT_TC_CLEAR (DMAC_BASE + 0x0008) -#define DMAC_INT_ERR_STAT (DMAC_BASE + 0x000c) -#define DMAC_INT_ERR_CLEAR (DMAC_BASE + 0x0010) -#define DMAC_SOFT_SREQ (DMAC_BASE + 0x0024) -#define DMAC_CONFIG (DMAC_BASE + 0x0030) -#define DMAC_Cx_SRC_ADDR(c) (DMAC_BASE + 0x0100 + (c) * 0x20) -#define DMAC_Cx_DEST_ADDR(c) (DMAC_BASE + 0x0104 + (c) * 0x20) -#define DMAC_Cx_LLI(c) (DMAC_BASE + 0x0108 + (c) * 0x20) -#define DMAC_Cx_CONTROL(c) (DMAC_BASE + 0x010c + (c) * 0x20) -#define DMAC_Cx_CONFIG(c) (DMAC_BASE + 0x0110 + (c) * 0x20) - -enum { - WIDTH_BYTE = 0, - WIDTH_HWORD, - WIDTH_WORD -}; - -enum { - FC_MEM2MEM_DMA, - FC_MEM2PER_DMA, - FC_PER2MEM_DMA, - FC_PER2PER_DMA, - FC_PER2PER_DPER, - FC_MEM2PER_PER, - FC_PER2MEM_PER, - FC_PER2PER_SPER -}; - -enum { - DMA_INT_UNKNOWN = 0, - DMA_ERR_INT = 1, - DMA_TC_INT = 2, -}; - -enum { - DMA_BUFFER_ALLOCATED = 1, - DMA_HAS_LL = 2, -}; - -enum { - PER_CAM_DMA_1 = 0, - PER_NDF_FLASH = 1, - PER_MBX_SLAVE_FIFO = 2, - PER_SPI2_REC_XMIT = 3, - PER_MS_SD_RX_XMIT = 4, - PER_HS_UART_1_XMIT = 5, - PER_HS_UART_1_RX = 6, - PER_HS_UART_2_XMIT = 7, - PER_HS_UART_2_RX = 8, - PER_HS_UART_7_XMIT = 9, - PER_HS_UART_7_RX = 10, - PER_SPI1_REC_XMIT = 11, - PER_MLC_NDF_SREC = 12, - PER_CAM_DMA_2 = 13, - PER_PRNG_INFIFO = 14, - PER_PRNG_OUTFIFO = 15, -}; - -struct pnx4008_dma_ch_ctrl { - int tc_mask; - int cacheable; - int bufferable; - int priv_mode; - int di; - int si; - int dest_ahb1; - int src_ahb1; - int dwidth; - int swidth; - int dbsize; - int sbsize; - int tr_size; -}; - -struct pnx4008_dma_ch_config { - int halt; - int active; - int lock; - int itc; - int ie; - int flow_cntrl; - int dest_per; - int src_per; -}; - -struct pnx4008_dma_ll { - unsigned long src_addr; - unsigned long dest_addr; - u32 next_dma; - unsigned long ch_ctrl; - struct pnx4008_dma_ll *next; - int flags; - void *alloc_data; - int (*free) (void *); -}; - -struct pnx4008_dma_config { - int is_ll; - unsigned long src_addr; - unsigned long dest_addr; - unsigned long ch_ctrl; - unsigned long ch_cfg; - struct pnx4008_dma_ll *ll; - u32 ll_dma; - int flags; - void *alloc_data; - int (*free) (void *); -}; - -extern struct pnx4008_dma_ll *pnx4008_alloc_ll_entry(dma_addr_t *); -extern void pnx4008_free_ll_entry(struct pnx4008_dma_ll *, dma_addr_t); -extern void pnx4008_free_ll(u32 ll_dma, struct pnx4008_dma_ll *); - -extern int pnx4008_request_channel(char *, int, - void (*)(int, int, void *), - void *); -extern void pnx4008_free_channel(int); -extern int pnx4008_config_dma(int, int, int); -extern int pnx4008_dma_pack_control(const struct pnx4008_dma_ch_ctrl *, - unsigned long *); -extern int pnx4008_dma_parse_control(unsigned long, - struct pnx4008_dma_ch_ctrl *); -extern int pnx4008_dma_pack_config(const struct pnx4008_dma_ch_config *, - unsigned long *); -extern int pnx4008_dma_parse_config(unsigned long, - struct pnx4008_dma_ch_config *); -extern int pnx4008_config_channel(int, struct pnx4008_dma_config *); -extern int pnx4008_channel_get_config(int, struct pnx4008_dma_config *); -extern int pnx4008_dma_ch_enable(int); -extern int pnx4008_dma_ch_disable(int); -extern int pnx4008_dma_ch_enabled(int); -extern void pnx4008_dma_split_head_entry(struct pnx4008_dma_config *, - struct pnx4008_dma_ch_ctrl *); -extern void pnx4008_dma_split_ll_entry(struct pnx4008_dma_ll *, - struct pnx4008_dma_ch_ctrl *); - -#endif /* _ASM_ARCH_DMA_H */ |