This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / asm-arm / arch-pnx4008 / dma.h

diff --git a/include/asm-arm/arch-pnx4008/dma.h b/include/asm-arm/arch-pnx4008/dma.h
new file mode 100644 (file)
index 0000000..3aee120
--- /dev/null
+++ b/include/asm-arm/arch-pnx4008/dma.h
@@ -0,0 +1,162 @@
+/*
+ *  linux/include/asm-arm/arch-pnx4008/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_ADDRESS                0xffffffff
+
+#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 *, struct pt_regs *),
+                                  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 */