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-rw-r--r--include/asm-blackfin/dma.h197
1 files changed, 0 insertions, 197 deletions
diff --git a/include/asm-blackfin/dma.h b/include/asm-blackfin/dma.h
deleted file mode 100644
index c0d5259e315..00000000000
--- a/include/asm-blackfin/dma.h
+++ /dev/null
@@ -1,197 +0,0 @@
-/*
- * File: include/asm-blackfin/simple_bf533_dma.h
- * Based on: none - original work
- * Author: LG Soft India
- * Copyright (C) 2004-2005 Analog Devices Inc.
- * Created: Tue Sep 21 2004
- * Description: This file contains the major Data structures and constants
- * used for DMA Implementation in BF533
- * Modified:
- *
- * Bugs: Enter bugs at http://blackfin.uclinux.org/
- *
- * 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, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; see the file COPYING.
- * If not, write to the Free Software Foundation,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#ifndef _BLACKFIN_DMA_H_
-#define _BLACKFIN_DMA_H_
-
-#include <asm/io.h>
-#include <linux/slab.h>
-#include <asm/irq.h>
-#include <asm/signal.h>
-
-#include <linux/kernel.h>
-#include <asm/mach/dma.h>
-#include <linux/mm.h>
-#include <linux/interrupt.h>
-#include <asm/blackfin.h>
-
-#define MAX_DMA_ADDRESS PAGE_OFFSET
-
-/*****************************************************************************
-* Generic DMA Declarations
-*
-****************************************************************************/
-enum dma_chan_status {
- DMA_CHANNEL_FREE,
- DMA_CHANNEL_REQUESTED,
- DMA_CHANNEL_ENABLED,
-};
-
-/*-------------------------
- * config reg bits value
- *-------------------------*/
-#define DATA_SIZE_8 0
-#define DATA_SIZE_16 1
-#define DATA_SIZE_32 2
-
-#define DMA_FLOW_STOP 0
-#define DMA_FLOW_AUTO 1
-#define DMA_FLOW_ARRAY 4
-#define DMA_FLOW_SMALL 6
-#define DMA_FLOW_LARGE 7
-
-#define DIMENSION_LINEAR 0
-#define DIMENSION_2D 1
-
-#define DIR_READ 0
-#define DIR_WRITE 1
-
-#define INTR_DISABLE 0
-#define INTR_ON_BUF 2
-#define INTR_ON_ROW 3
-
-#define DMA_NOSYNC_KEEP_DMA_BUF 0
-#define DMA_SYNC_RESTART 1
-
-struct dmasg {
- unsigned long next_desc_addr;
- unsigned long start_addr;
- unsigned short cfg;
- unsigned short x_count;
- short x_modify;
- unsigned short y_count;
- short y_modify;
-} __attribute__((packed));
-
-struct dma_register {
- unsigned long next_desc_ptr; /* DMA Next Descriptor Pointer register */
- unsigned long start_addr; /* DMA Start address register */
-
- unsigned short cfg; /* DMA Configuration register */
- unsigned short dummy1; /* DMA Configuration register */
-
- unsigned long reserved;
-
- unsigned short x_count; /* DMA x_count register */
- unsigned short dummy2;
-
- short x_modify; /* DMA x_modify register */
- unsigned short dummy3;
-
- unsigned short y_count; /* DMA y_count register */
- unsigned short dummy4;
-
- short y_modify; /* DMA y_modify register */
- unsigned short dummy5;
-
- unsigned long curr_desc_ptr; /* DMA Current Descriptor Pointer
- register */
- unsigned long curr_addr_ptr; /* DMA Current Address Pointer
- register */
- unsigned short irq_status; /* DMA irq status register */
- unsigned short dummy6;
-
- unsigned short peripheral_map; /* DMA peripheral map register */
- unsigned short dummy7;
-
- unsigned short curr_x_count; /* DMA Current x-count register */
- unsigned short dummy8;
-
- unsigned long reserved2;
-
- unsigned short curr_y_count; /* DMA Current y-count register */
- unsigned short dummy9;
-
- unsigned long reserved3;
-
-};
-
-typedef irqreturn_t(*dma_interrupt_t) (int irq, void *dev_id);
-
-struct dma_channel {
- struct mutex dmalock;
- char *device_id;
- enum dma_chan_status chan_status;
- struct dma_register *regs;
- struct dmasg *sg; /* large mode descriptor */
- unsigned int ctrl_num; /* controller number */
- dma_interrupt_t irq_callback;
- void *data;
- unsigned int dma_enable_flag;
- unsigned int loopback_flag;
-};
-
-/*******************************************************************************
-* DMA API's
-*******************************************************************************/
-/* functions to set register mode */
-void set_dma_start_addr(unsigned int channel, unsigned long addr);
-void set_dma_next_desc_addr(unsigned int channel, unsigned long addr);
-void set_dma_curr_desc_addr(unsigned int channel, unsigned long addr);
-void set_dma_x_count(unsigned int channel, unsigned short x_count);
-void set_dma_x_modify(unsigned int channel, short x_modify);
-void set_dma_y_count(unsigned int channel, unsigned short y_count);
-void set_dma_y_modify(unsigned int channel, short y_modify);
-void set_dma_config(unsigned int channel, unsigned short config);
-unsigned short set_bfin_dma_config(char direction, char flow_mode,
- char intr_mode, char dma_mode, char width,
- char syncmode);
-void set_dma_curr_addr(unsigned int channel, unsigned long addr);
-
-/* get curr status for polling */
-unsigned short get_dma_curr_irqstat(unsigned int channel);
-unsigned short get_dma_curr_xcount(unsigned int channel);
-unsigned short get_dma_curr_ycount(unsigned int channel);
-unsigned long get_dma_next_desc_ptr(unsigned int channel);
-unsigned long get_dma_curr_desc_ptr(unsigned int channel);
-unsigned long get_dma_curr_addr(unsigned int channel);
-
-/* set large DMA mode descriptor */
-void set_dma_sg(unsigned int channel, struct dmasg *sg, int nr_sg);
-
-/* check if current channel is in use */
-int dma_channel_active(unsigned int channel);
-
-/* common functions must be called in any mode */
-void free_dma(unsigned int channel);
-int dma_channel_active(unsigned int channel); /* check if a channel is in use */
-void disable_dma(unsigned int channel);
-void enable_dma(unsigned int channel);
-int request_dma(unsigned int channel, char *device_id);
-int set_dma_callback(unsigned int channel, dma_interrupt_t callback,
- void *data);
-void dma_disable_irq(unsigned int channel);
-void dma_enable_irq(unsigned int channel);
-void clear_dma_irqstat(unsigned int channel);
-void *dma_memcpy(void *dest, const void *src, size_t count);
-void *safe_dma_memcpy(void *dest, const void *src, size_t count);
-
-extern int channel2irq(unsigned int channel);
-extern struct dma_register *dma_io_base_addr[MAX_BLACKFIN_DMA_CHANNEL];
-
-#endif