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-rw-r--r--arch/arm/plat-samsung/Kconfig15
-rw-r--r--arch/arm/plat-samsung/Makefile6
-rw-r--r--arch/arm/plat-samsung/dma-ops.c146
-rw-r--r--arch/arm/plat-samsung/dma.c84
-rw-r--r--arch/arm/plat-samsung/include/plat/dma-core.h22
-rw-r--r--arch/arm/plat-samsung/include/plat/dma-ops.h69
-rw-r--r--arch/arm/plat-samsung/include/plat/dma-pl330.h121
-rw-r--r--arch/arm/plat-samsung/include/plat/dma-s3c24xx.h73
-rw-r--r--arch/arm/plat-samsung/include/plat/dma.h130
-rw-r--r--arch/arm/plat-samsung/include/plat/regs-dma.h151
-rw-r--r--arch/arm/plat-samsung/s3c-dma-ops.c146
11 files changed, 0 insertions, 963 deletions
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 9bd2776e7d05..cb8e3d655d1a 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -236,13 +236,6 @@ config S3C_SETUP_CAMIF
help
Compile in common setup code for S3C CAMIF devices
-# DMA
-
-config S3C_DMA
- bool
- help
- Internal configuration for S3C DMA core
-
config SAMSUNG_PM_GPIO
bool
default y if GPIO_SAMSUNG && PM
@@ -250,14 +243,6 @@ config SAMSUNG_PM_GPIO
Include legacy GPIO power management code for platforms not using
pinctrl-samsung driver.
-config SAMSUNG_DMADEV
- bool "Use legacy Samsung DMA abstraction"
- depends on CPU_S5PV210 || ARCH_S3C64XX
- select DMADEVICES
- default y
- help
- Use DMA device engine for PL330 DMAC.
-
endif
config S5P_DEV_MFC
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index 87746c37f030..1a29ab1f446d 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -26,12 +26,6 @@ obj-$(CONFIG_SAMSUNG_DEV_BACKLIGHT) += dev-backlight.o
obj-$(CONFIG_S3C_SETUP_CAMIF) += setup-camif.o
-# DMA support
-
-obj-$(CONFIG_S3C_DMA) += dma.o s3c-dma-ops.o
-
-obj-$(CONFIG_SAMSUNG_DMADEV) += dma-ops.o
-
# PM support
obj-$(CONFIG_PM_SLEEP) += pm-common.o
diff --git a/arch/arm/plat-samsung/dma-ops.c b/arch/arm/plat-samsung/dma-ops.c
deleted file mode 100644
index 886326ee6f6c..000000000000
--- a/arch/arm/plat-samsung/dma-ops.c
+++ /dev/null
@@ -1,146 +0,0 @@
-/* linux/arch/arm/plat-samsung/dma-ops.c
- *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- * http://www.samsung.com
- *
- * Samsung DMA Operations
- *
- * 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.
- */
-
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/amba/pl330.h>
-#include <linux/scatterlist.h>
-#include <linux/export.h>
-
-#include <mach/dma.h>
-
-#if defined(CONFIG_PL330_DMA)
-#define dma_filter pl330_filter
-#elif defined(CONFIG_S3C64XX_PL080)
-#define dma_filter pl08x_filter_id
-#endif
-
-static unsigned samsung_dmadev_request(enum dma_ch dma_ch,
- struct samsung_dma_req *param,
- struct device *dev, char *ch_name)
-{
- dma_cap_mask_t mask;
-
- dma_cap_zero(mask);
- dma_cap_set(param->cap, mask);
-
- if (dev->of_node)
- return (unsigned)dma_request_slave_channel(dev, ch_name);
- else
- return (unsigned)dma_request_channel(mask, dma_filter,
- (void *)dma_ch);
-}
-
-static int samsung_dmadev_release(unsigned ch, void *param)
-{
- dma_release_channel((struct dma_chan *)ch);
-
- return 0;
-}
-
-static int samsung_dmadev_config(unsigned ch,
- struct samsung_dma_config *param)
-{
- struct dma_chan *chan = (struct dma_chan *)ch;
- struct dma_slave_config slave_config;
-
- if (param->direction == DMA_DEV_TO_MEM) {
- memset(&slave_config, 0, sizeof(struct dma_slave_config));
- slave_config.direction = param->direction;
- slave_config.src_addr = param->fifo;
- slave_config.src_addr_width = param->width;
- slave_config.src_maxburst = 1;
- dmaengine_slave_config(chan, &slave_config);
- } else if (param->direction == DMA_MEM_TO_DEV) {
- memset(&slave_config, 0, sizeof(struct dma_slave_config));
- slave_config.direction = param->direction;
- slave_config.dst_addr = param->fifo;
- slave_config.dst_addr_width = param->width;
- slave_config.dst_maxburst = 1;
- dmaengine_slave_config(chan, &slave_config);
- } else {
- pr_warn("unsupported direction\n");
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int samsung_dmadev_prepare(unsigned ch,
- struct samsung_dma_prep *param)
-{
- struct scatterlist sg;
- struct dma_chan *chan = (struct dma_chan *)ch;
- struct dma_async_tx_descriptor *desc;
-
- switch (param->cap) {
- case DMA_SLAVE:
- sg_init_table(&sg, 1);
- sg_dma_len(&sg) = param->len;
- sg_set_page(&sg, pfn_to_page(PFN_DOWN(param->buf)),
- param->len, offset_in_page(param->buf));
- sg_dma_address(&sg) = param->buf;
-
- desc = dmaengine_prep_slave_sg(chan,
- &sg, 1, param->direction, DMA_PREP_INTERRUPT);
- break;
- case DMA_CYCLIC:
- desc = dmaengine_prep_dma_cyclic(chan, param->buf,
- param->len, param->period, param->direction,
- DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
- break;
- default:
- dev_err(&chan->dev->device, "unsupported format\n");
- return -EFAULT;
- }
-
- if (!desc) {
- dev_err(&chan->dev->device, "cannot prepare cyclic dma\n");
- return -EFAULT;
- }
-
- desc->callback = param->fp;
- desc->callback_param = param->fp_param;
-
- dmaengine_submit((struct dma_async_tx_descriptor *)desc);
-
- return 0;
-}
-
-static inline int samsung_dmadev_trigger(unsigned ch)
-{
- dma_async_issue_pending((struct dma_chan *)ch);
-
- return 0;
-}
-
-static inline int samsung_dmadev_flush(unsigned ch)
-{
- return dmaengine_terminate_all((struct dma_chan *)ch);
-}
-
-static struct samsung_dma_ops dmadev_ops = {
- .request = samsung_dmadev_request,
- .release = samsung_dmadev_release,
- .config = samsung_dmadev_config,
- .prepare = samsung_dmadev_prepare,
- .trigger = samsung_dmadev_trigger,
- .started = NULL,
- .flush = samsung_dmadev_flush,
- .stop = samsung_dmadev_flush,
-};
-
-void *samsung_dmadev_get_ops(void)
-{
- return &dmadev_ops;
-}
-EXPORT_SYMBOL(samsung_dmadev_get_ops);
diff --git a/arch/arm/plat-samsung/dma.c b/arch/arm/plat-samsung/dma.c
deleted file mode 100644
index 6143aa147688..000000000000
--- a/arch/arm/plat-samsung/dma.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/* linux/arch/arm/plat-samsung/dma.c
- *
- * Copyright (c) 2003-2009 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
- * http://armlinux.simtec.co.uk/
- *
- * S3C DMA core
- *
- * 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.
-*/
-
-struct s3c2410_dma_buf;
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/errno.h>
-
-#include <mach/dma.h>
-#include <mach/irqs.h>
-
-/* dma channel state information */
-struct s3c2410_dma_chan s3c2410_chans[S3C_DMA_CHANNELS];
-struct s3c2410_dma_chan *s3c_dma_chan_map[DMACH_MAX];
-
-/* s3c_dma_lookup_channel
- *
- * change the dma channel number given into a real dma channel id
-*/
-
-struct s3c2410_dma_chan *s3c_dma_lookup_channel(unsigned int channel)
-{
- if (channel & DMACH_LOW_LEVEL)
- return &s3c2410_chans[channel & ~DMACH_LOW_LEVEL];
- else
- return s3c_dma_chan_map[channel];
-}
-
-/* do we need to protect the settings of the fields from
- * irq?
-*/
-
-int s3c2410_dma_set_opfn(enum dma_ch channel, s3c2410_dma_opfn_t rtn)
-{
- struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
-
- if (chan == NULL)
- return -EINVAL;
-
- pr_debug("%s: chan=%p, op rtn=%p\n", __func__, chan, rtn);
-
- chan->op_fn = rtn;
-
- return 0;
-}
-EXPORT_SYMBOL(s3c2410_dma_set_opfn);
-
-int s3c2410_dma_set_buffdone_fn(enum dma_ch channel, s3c2410_dma_cbfn_t rtn)
-{
- struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
-
- if (chan == NULL)
- return -EINVAL;
-
- pr_debug("%s: chan=%p, callback rtn=%p\n", __func__, chan, rtn);
-
- chan->callback_fn = rtn;
-
- return 0;
-}
-EXPORT_SYMBOL(s3c2410_dma_set_buffdone_fn);
-
-int s3c2410_dma_setflags(enum dma_ch channel, unsigned int flags)
-{
- struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel);
-
- if (chan == NULL)
- return -EINVAL;
-
- chan->flags = flags;
- return 0;
-}
-EXPORT_SYMBOL(s3c2410_dma_setflags);
diff --git a/arch/arm/plat-samsung/include/plat/dma-core.h b/arch/arm/plat-samsung/include/plat/dma-core.h
deleted file mode 100644
index 32ff2a92cb3c..000000000000
--- a/arch/arm/plat-samsung/include/plat/dma-core.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* arch/arm/plat-s3c/include/plat/dma.h
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
- * http://armlinux.simtec.co.uk/
- *
- * Samsung S3C DMA core support
- *
- * 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.
-*/
-
-extern struct s3c2410_dma_chan *s3c_dma_lookup_channel(unsigned int channel);
-
-extern struct s3c2410_dma_chan *s3c_dma_chan_map[];
-
-/* the currently allocated channel information */
-extern struct s3c2410_dma_chan s3c2410_chans[];
-
-
diff --git a/arch/arm/plat-samsung/include/plat/dma-ops.h b/arch/arm/plat-samsung/include/plat/dma-ops.h
deleted file mode 100644
index ce6d7634b6cb..000000000000
--- a/arch/arm/plat-samsung/include/plat/dma-ops.h
+++ /dev/null
@@ -1,69 +0,0 @@
-/* arch/arm/plat-samsung/include/plat/dma-ops.h
- *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- * http://www.samsung.com
- *
- * Samsung DMA support
- *
- * 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 __SAMSUNG_DMA_OPS_H_
-#define __SAMSUNG_DMA_OPS_H_ __FILE__
-
-#include <linux/dmaengine.h>
-#include <mach/dma.h>
-
-struct samsung_dma_req {
- enum dma_transaction_type cap;
- struct s3c2410_dma_client *client;
-};
-
-struct samsung_dma_prep {
- enum dma_transaction_type cap;
- enum dma_transfer_direction direction;
- dma_addr_t buf;
- unsigned long period;
- unsigned long len;
- void (*fp)(void *data);
- void *fp_param;
-};
-
-struct samsung_dma_config {
- enum dma_transfer_direction direction;
- enum dma_slave_buswidth width;
- dma_addr_t fifo;
-};
-
-struct samsung_dma_ops {
- unsigned (*request)(enum dma_ch ch, struct samsung_dma_req *param,
- struct device *dev, char *ch_name);
- int (*release)(unsigned ch, void *param);
- int (*config)(unsigned ch, struct samsung_dma_config *param);
- int (*prepare)(unsigned ch, struct samsung_dma_prep *param);
- int (*trigger)(unsigned ch);
- int (*started)(unsigned ch);
- int (*flush)(unsigned ch);
- int (*stop)(unsigned ch);
-};
-
-extern void *samsung_dmadev_get_ops(void);
-extern void *s3c_dma_get_ops(void);
-
-static inline void *__samsung_dma_get_ops(void)
-{
- if (samsung_dma_is_dmadev())
- return samsung_dmadev_get_ops();
- else
- return s3c_dma_get_ops();
-}
-
-/*
- * samsung_dma_get_ops
- * get the set of samsung dma operations
- */
-#define samsung_dma_get_ops() __samsung_dma_get_ops()
-
-#endif /* __SAMSUNG_DMA_OPS_H_ */
diff --git a/arch/arm/plat-samsung/include/plat/dma-pl330.h b/arch/arm/plat-samsung/include/plat/dma-pl330.h
deleted file mode 100644
index abe07fae71db..000000000000
--- a/arch/arm/plat-samsung/include/plat/dma-pl330.h
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * Copyright (C) 2010 Samsung Electronics Co. Ltd.
- * Jaswinder Singh <jassi.brar@samsung.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 __DMA_PL330_H_
-#define __DMA_PL330_H_ __FILE__
-
-/*
- * PL330 can assign any channel to communicate with
- * any of the peripherals attched to the DMAC.
- * For the sake of consistency across client drivers,
- * We keep the channel names unchanged and only add
- * missing peripherals are added.
- * Order is not important since DMA PL330 API driver
- * use these just as IDs.
- */
-enum dma_ch {
- DMACH_UART0_RX = 0,
- DMACH_UART0_TX,
- DMACH_UART1_RX,
- DMACH_UART1_TX,
- DMACH_UART2_RX,
- DMACH_UART2_TX,
- DMACH_UART3_RX,
- DMACH_UART3_TX,
- DMACH_UART4_RX,
- DMACH_UART4_TX,
- DMACH_UART5_RX,
- DMACH_UART5_TX,
- DMACH_USI_RX,
- DMACH_USI_TX,
- DMACH_IRDA,
- DMACH_I2S0_RX,
- DMACH_I2S0_TX,
- DMACH_I2S0S_TX,
- DMACH_I2S1_RX,
- DMACH_I2S1_TX,
- DMACH_I2S2_RX,
- DMACH_I2S2_TX,
- DMACH_SPI0_RX,
- DMACH_SPI0_TX,
- DMACH_SPI1_RX,
- DMACH_SPI1_TX,
- DMACH_SPI2_RX,
- DMACH_SPI2_TX,
- DMACH_AC97_MICIN,
- DMACH_AC97_PCMIN,
- DMACH_AC97_PCMOUT,
- DMACH_EXTERNAL,
- DMACH_PWM,
- DMACH_SPDIF,
- DMACH_HSI_RX,
- DMACH_HSI_TX,
- DMACH_PCM0_TX,
- DMACH_PCM0_RX,
- DMACH_PCM1_TX,
- DMACH_PCM1_RX,
- DMACH_PCM2_TX,
- DMACH_PCM2_RX,
- DMACH_MSM_REQ3,
- DMACH_MSM_REQ2,
- DMACH_MSM_REQ1,
- DMACH_MSM_REQ0,
- DMACH_SLIMBUS0_RX,
- DMACH_SLIMBUS0_TX,
- DMACH_SLIMBUS0AUX_RX,
- DMACH_SLIMBUS0AUX_TX,
- DMACH_SLIMBUS1_RX,
- DMACH_SLIMBUS1_TX,
- DMACH_SLIMBUS2_RX,
- DMACH_SLIMBUS2_TX,
- DMACH_SLIMBUS3_RX,
- DMACH_SLIMBUS3_TX,
- DMACH_SLIMBUS4_RX,
- DMACH_SLIMBUS4_TX,
- DMACH_SLIMBUS5_RX,
- DMACH_SLIMBUS5_TX,
- DMACH_MIPI_HSI0,
- DMACH_MIPI_HSI1,
- DMACH_MIPI_HSI2,
- DMACH_MIPI_HSI3,
- DMACH_MIPI_HSI4,
- DMACH_MIPI_HSI5,
- DMACH_MIPI_HSI6,
- DMACH_MIPI_HSI7,
- DMACH_DISP1,
- DMACH_MTOM_0,
- DMACH_MTOM_1,
- DMACH_MTOM_2,
- DMACH_MTOM_3,
- DMACH_MTOM_4,
- DMACH_MTOM_5,
- DMACH_MTOM_6,
- DMACH_MTOM_7,
- /* END Marker, also used to denote a reserved channel */
- DMACH_MAX,
-};
-
-struct s3c2410_dma_client {
- char *name;
-};
-
-static inline bool samsung_dma_has_circular(void)
-{
- return true;
-}
-
-static inline bool samsung_dma_is_dmadev(void)
-{
- return true;
-}
-
-#include <plat/dma-ops.h>
-
-#endif /* __DMA_PL330_H_ */
diff --git a/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h b/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h
deleted file mode 100644
index bd3a6db14cbb..000000000000
--- a/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/* linux/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h
- *
- * Copyright (C) 2006 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
- *
- * Samsung S3C24XX DMA support - per SoC functions
- *
- * 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.
-*/
-
-#include <plat/dma-core.h>
-
-extern struct bus_type dma_subsys;
-extern struct s3c2410_dma_chan s3c2410_chans[S3C_DMA_CHANNELS];
-
-#define DMA_CH_VALID (1<<31)
-#define DMA_CH_NEVER (1<<30)
-
-/* struct s3c24xx_dma_map
- *
- * this holds the mapping information for the channel selected
- * to be connected to the specified device
-*/
-
-struct s3c24xx_dma_map {
- const char *name;
-
- unsigned long channels[S3C_DMA_CHANNELS];
-};
-
-struct s3c24xx_dma_selection {
- struct s3c24xx_dma_map *map;
- unsigned long map_size;
- unsigned long dcon_mask;
-
- void (*select)(struct s3c2410_dma_chan *chan,
- struct s3c24xx_dma_map *map);
-};
-
-extern int s3c24xx_dma_init_map(struct s3c24xx_dma_selection *sel);
-
-/* struct s3c24xx_dma_order_ch
- *
- * channel map for one of the `enum dma_ch` dma channels. the list
- * entry contains a set of low-level channel numbers, orred with
- * DMA_CH_VALID, which are checked in the order in the array.
-*/
-
-struct s3c24xx_dma_order_ch {
- unsigned int list[S3C_DMA_CHANNELS]; /* list of channels */
- unsigned int flags; /* flags */
-};
-
-/* struct s3c24xx_dma_order
- *
- * information provided by either the core or the board to give the
- * dma system a hint on how to allocate channels
-*/
-
-struct s3c24xx_dma_order {
- struct s3c24xx_dma_order_ch channels[DMACH_MAX];
-};
-
-extern int s3c24xx_dma_order_set(struct s3c24xx_dma_order *map);
-
-/* DMA init code, called from the cpu support code */
-
-extern int s3c2410_dma_init(void);
-
-extern int s3c24xx_dma_init(unsigned int channels, unsigned int irq,
- unsigned int stride);
diff --git a/arch/arm/plat-samsung/include/plat/dma.h b/arch/arm/plat-samsung/include/plat/dma.h
deleted file mode 100644
index 7b02143ccd9a..000000000000
--- a/arch/arm/plat-samsung/include/plat/dma.h
+++ /dev/null
@@ -1,130 +0,0 @@
-/* arch/arm/plat-samsung/include/plat/dma.h
- *
- * Copyright (C) 2003-2006 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
- *
- * Samsung S3C DMA support
- *
- * 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 __PLAT_DMA_H
-#define __PLAT_DMA_H
-
-#include <linux/dma-mapping.h>
-
-enum s3c2410_dma_buffresult {
- S3C2410_RES_OK,
- S3C2410_RES_ERR,
- S3C2410_RES_ABORT
-};
-
-/* enum s3c2410_chan_op
- *
- * operation codes passed to the DMA code by the user, and also used
- * to inform the current channel owner of any changes to the system state
-*/
-
-enum s3c2410_chan_op {
- S3C2410_DMAOP_START,
- S3C2410_DMAOP_STOP,
- S3C2410_DMAOP_PAUSE,
- S3C2410_DMAOP_RESUME,
- S3C2410_DMAOP_FLUSH,
- S3C2410_DMAOP_TIMEOUT, /* internal signal to handler */
- S3C2410_DMAOP_STARTED, /* indicate channel started */
-};
-
-struct s3c2410_dma_client {
- char *name;
-};
-
-struct s3c2410_dma_chan;
-enum dma_ch;
-
-/* s3c2410_dma_cbfn_t
- *
- * buffer callback routine type
-*/
-
-typedef void (*s3c2410_dma_cbfn_t)(struct s3c2410_dma_chan *,
- void *buf, int size,
- enum s3c2410_dma_buffresult result);
-
-typedef int (*s3c2410_dma_opfn_t)(struct s3c2410_dma_chan *,
- enum s3c2410_chan_op );
-
-
-
-/* s3c2410_dma_request
- *
- * request a dma channel exclusivley
-*/
-
-extern int s3c2410_dma_request(enum dma_ch channel,
- struct s3c2410_dma_client *, void *dev);
-
-
-/* s3c2410_dma_ctrl
- *
- * change the state of the dma channel
-*/
-
-extern int s3c2410_dma_ctrl(enum dma_ch channel, enum s3c2410_chan_op op);
-
-/* s3c2410_dma_setflags
- *
- * set the channel's flags to a given state
-*/
-
-extern int s3c2410_dma_setflags(enum dma_ch channel,
- unsigned int flags);
-
-/* s3c2410_dma_free
- *
- * free the dma channel (will also abort any outstanding operations)
-*/
-
-extern int s3c2410_dma_free(enum dma_ch channel, struct s3c2410_dma_client *);
-
-/* s3c2410_dma_enqueue
- *
- * place the given buffer onto the queue of operations for the channel.
- * The buffer must be allocated from dma coherent memory, or the Dcache/WB
- * drained before the buffer is given to the DMA system.
-*/
-
-extern int s3c2410_dma_enqueue(enum dma_ch channel, void *id,
- dma_addr_t data, int size);
-
-/* s3c2410_dma_config
- *
- * configure the dma channel
-*/
-
-extern int s3c2410_dma_config(enum dma_ch channel, int xferunit);
-
-/* s3c2410_dma_devconfig
- *
- * configure the device we're talking to
-*/
-
-extern int s3c2410_dma_devconfig(enum dma_ch channel,
- enum dma_data_direction source, unsigned long devaddr);
-
-/* s3c2410_dma_getposition
- *
- * get the position that the dma transfer is currently at
-*/
-
-extern int s3c2410_dma_getposition(enum dma_ch channel,
- dma_addr_t *src, dma_addr_t *dest);
-
-extern int s3c2410_dma_set_opfn(enum dma_ch, s3c2410_dma_opfn_t rtn);
-extern int s3c2410_dma_set_buffdone_fn(enum dma_ch, s3c2410_dma_cbfn_t rtn);
-
-#include <plat/dma-ops.h>
-
-#endif
diff --git a/arch/arm/plat-samsung/include/plat/regs-dma.h b/arch/arm/plat-samsung/include/plat/regs-dma.h
deleted file mode 100644
index a7d622ef16af..000000000000
--- a/arch/arm/plat-samsung/include/plat/regs-dma.h
+++ /dev/null
@@ -1,151 +0,0 @@
-/* arch/arm/plat-samsung/include/plat/regs-dma.h
- *
- * Copyright (C) 2003-2006 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
- *
- * Samsung S3C24XX DMA support
- *
- * 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_PLAT_REGS_DMA_H
-#define __ASM_PLAT_REGS_DMA_H __FILE__
-
-#define S3C2410_DMA_DISRC (0x00)
-#define S3C2410_DMA_DISRCC (0x04)
-#define S3C2410_DMA_DIDST (0x08)
-#define S3C2410_DMA_DIDSTC (0x0C)
-#define S3C2410_DMA_DCON (0x10)
-#define S3C2410_DMA_DSTAT (0x14)
-#define S3C2410_DMA_DCSRC (0x18)
-#define S3C2410_DMA_DCDST (0x1C)
-#define S3C2410_DMA_DMASKTRIG (0x20)
-#define S3C2412_DMA_DMAREQSEL (0x24)
-#define S3C2443_DMA_DMAREQSEL (0x24)
-
-#define S3C2410_DISRCC_INC (1 << 0)
-#define S3C2410_DISRCC_APB (1 << 1)
-
-#define S3C2410_DMASKTRIG_STOP (1 << 2)
-#define S3C2410_DMASKTRIG_ON (1 << 1)
-#define S3C2410_DMASKTRIG_SWTRIG (1 << 0)
-
-#define S3C2410_DCON_DEMAND (0 << 31)
-#define S3C2410_DCON_HANDSHAKE (1 << 31)
-#define S3C2410_DCON_SYNC_PCLK (0 << 30)
-#define S3C2410_DCON_SYNC_HCLK (1 << 30)
-
-#define S3C2410_DCON_INTREQ (1 << 29)
-
-#define S3C2410_DCON_CH0_XDREQ0 (0 << 24)
-#define S3C2410_DCON_CH0_UART0 (1 << 24)
-#define S3C2410_DCON_CH0_SDI (2 << 24)
-#define S3C2410_DCON_CH0_TIMER (3 << 24)
-#define S3C2410_DCON_CH0_USBEP1 (4 << 24)
-
-#define S3C2410_DCON_CH1_XDREQ1 (0 << 24)
-#define S3C2410_DCON_CH1_UART1 (1 << 24)
-#define S3C2410_DCON_CH1_I2SSDI (2 << 24)
-#define S3C2410_DCON_CH1_SPI (3 << 24)
-#define S3C2410_DCON_CH1_USBEP2 (4 << 24)
-
-#define S3C2410_DCON_CH2_I2SSDO (0 << 24)
-#define S3C2410_DCON_CH2_I2SSDI (1 << 24)
-#define S3C2410_DCON_CH2_SDI (2 << 24)
-#define S3C2410_DCON_CH2_TIMER (3 << 24)
-#define S3C2410_DCON_CH2_USBEP3 (4 << 24)
-
-#define S3C2410_DCON_CH3_UART2 (0 << 24)
-#define S3C2410_DCON_CH3_SDI (1 << 24)
-#define S3C2410_DCON_CH3_SPI (2 << 24)
-#define S3C2410_DCON_CH3_TIMER (3 << 24)
-#define S3C2410_DCON_CH3_USBEP4 (4 << 24)
-
-#define S3C2410_DCON_SRCSHIFT (24)
-#define S3C2410_DCON_SRCMASK (7 << 24)
-
-#define S3C2410_DCON_BYTE (0 << 20)
-#define S3C2410_DCON_HALFWORD (1 << 20)
-#define S3C2410_DCON_WORD (2 << 20)
-
-#define S3C2410_DCON_AUTORELOAD (0 << 22)
-#define S3C2410_DCON_NORELOAD (1 << 22)
-#define S3C2410_DCON_HWTRIG (1 << 23)
-
-#ifdef CONFIG_CPU_S3C2440
-
-#define S3C2440_DIDSTC_CHKINT (1 << 2)
-
-#define S3C2440_DCON_CH0_I2SSDO (5 << 24)
-#define S3C2440_DCON_CH0_PCMIN (6 << 24)
-
-#define S3C2440_DCON_CH1_PCMOUT (5 << 24)
-#define S3C2440_DCON_CH1_SDI (6 << 24)
-
-#define S3C2440_DCON_CH2_PCMIN (5 << 24)
-#define S3C2440_DCON_CH2_MICIN (6 << 24)
-
-#define S3C2440_DCON_CH3_MICIN (5 << 24)
-#define S3C2440_DCON_CH3_PCMOUT (6 << 24)
-#endif /* CONFIG_CPU_S3C2440 */
-
-#ifdef CONFIG_CPU_S3C2412
-
-#define S3C2412_DMAREQSEL_SRC(x) ((x) << 1)
-
-#define S3C2412_DMAREQSEL_HW (1)
-
-#define S3C2412_DMAREQSEL_SPI0TX S3C2412_DMAREQSEL_SRC(0)
-#define S3C2412_DMAREQSEL_SPI0RX S3C2412_DMAREQSEL_SRC(1)
-#define S3C2412_DMAREQSEL_SPI1TX S3C2412_DMAREQSEL_SRC(2)
-#define S3C2412_DMAREQSEL_SPI1RX S3C2412_DMAREQSEL_SRC(3)
-#define S3C2412_DMAREQSEL_I2STX S3C2412_DMAREQSEL_SRC(4)
-#define S3C2412_DMAREQSEL_I2SRX S3C2412_DMAREQSEL_SRC(5)
-#define S3C2412_DMAREQSEL_TIMER S3C2412_DMAREQSEL_SRC(9)
-#define S3C2412_DMAREQSEL_SDI S3C2412_DMAREQSEL_SRC(10)
-#define S3C2412_DMAREQSEL_USBEP1 S3C2412_DMAREQSEL_SRC(13)
-#define S3C2412_DMAREQSEL_USBEP2 S3C2412_DMAREQSEL_SRC(14)
-#define S3C2412_DMAREQSEL_USBEP3 S3C2412_DMAREQSEL_SRC(15)
-#define S3C2412_DMAREQSEL_USBEP4 S3C2412_DMAREQSEL_SRC(16)
-#define S3C2412_DMAREQSEL_XDREQ0 S3C2412_DMAREQSEL_SRC(17)
-#define S3C2412_DMAREQSEL_XDREQ1 S3C2412_DMAREQSEL_SRC(18)
-#define S3C2412_DMAREQSEL_UART0_0 S3C2412_DMAREQSEL_SRC(19)
-#define S3C2412_DMAREQSEL_UART0_1 S3C2412_DMAREQSEL_SRC(20)
-#define S3C2412_DMAREQSEL_UART1_0 S3C2412_DMAREQSEL_SRC(21)
-#define S3C2412_DMAREQSEL_UART1_1 S3C2412_DMAREQSEL_SRC(22)
-#define S3C2412_DMAREQSEL_UART2_0 S3C2412_DMAREQSEL_SRC(23)
-#define S3C2412_DMAREQSEL_UART2_1 S3C2412_DMAREQSEL_SRC(24)
-#endif /* CONFIG_CPU_S3C2412 */
-
-#if defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2443)
-
-#define S3C2443_DMAREQSEL_SRC(x) ((x) << 1)
-
-#define S3C2443_DMAREQSEL_HW (1)
-
-#define S3C2443_DMAREQSEL_SPI0TX S3C2443_DMAREQSEL_SRC(0)
-#define S3C2443_DMAREQSEL_SPI0RX S3C2443_DMAREQSEL_SRC(1)
-#define S3C2443_DMAREQSEL_SPI1TX S3C2443_DMAREQSEL_SRC(2)
-#define S3C2443_DMAREQSEL_SPI1RX S3C2443_DMAREQSEL_SRC(3)
-#define S3C2443_DMAREQSEL_I2STX S3C2443_DMAREQSEL_SRC(4)
-#define S3C2443_DMAREQSEL_I2SRX S3C2443_DMAREQSEL_SRC(5)
-#define S3C2443_DMAREQSEL_TIMER S3C2443_DMAREQSEL_SRC(9)
-#define S3C2443_DMAREQSEL_SDI S3C2443_DMAREQSEL_SRC(10)
-#define S3C2443_DMAREQSEL_XDREQ0 S3C2443_DMAREQSEL_SRC(17)
-#define S3C2443_DMAREQSEL_XDREQ1 S3C2443_DMAREQSEL_SRC(18)
-#define S3C2443_DMAREQSEL_UART0_0 S3C2443_DMAREQSEL_SRC(19)
-#define S3C2443_DMAREQSEL_UART0_1 S3C2443_DMAREQSEL_SRC(20)
-#define S3C2443_DMAREQSEL_UART1_0 S3C2443_DMAREQSEL_SRC(21)
-#define S3C2443_DMAREQSEL_UART1_1 S3C2443_DMAREQSEL_SRC(22)
-#define S3C2443_DMAREQSEL_UART2_0 S3C2443_DMAREQSEL_SRC(23)
-#define S3C2443_DMAREQSEL_UART2_1 S3C2443_DMAREQSEL_SRC(24)
-#define S3C2443_DMAREQSEL_UART3_0 S3C2443_DMAREQSEL_SRC(25)
-#define S3C2443_DMAREQSEL_UART3_1 S3C2443_DMAREQSEL_SRC(26)
-#define S3C2443_DMAREQSEL_PCMOUT S3C2443_DMAREQSEL_SRC(27)
-#define S3C2443_DMAREQSEL_PCMIN S3C2443_DMAREQSEL_SRC(28)
-#define S3C2443_DMAREQSEL_MICIN S3C2443_DMAREQSEL_SRC(29)
-#endif /* CONFIG_CPU_S3C2443 */
-
-#endif /* __ASM_PLAT_REGS_DMA_H */
diff --git a/arch/arm/plat-samsung/s3c-dma-ops.c b/arch/arm/plat-samsung/s3c-dma-ops.c
deleted file mode 100644
index 98b10ba67dc7..000000000000
--- a/arch/arm/plat-samsung/s3c-dma-ops.c
+++ /dev/null
@@ -1,146 +0,0 @@
-/* linux/arch/arm/plat-samsung/s3c-dma-ops.c
- *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- * http://www.samsung.com
- *
- * Samsung S3C-DMA Operations
- *
- * 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.
- */
-
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-#include <linux/types.h>
-#include <linux/export.h>
-
-#include <mach/dma.h>
-
-struct cb_data {
- void (*fp) (void *);
- void *fp_param;
- unsigned ch;
- struct list_head node;
-};
-
-static LIST_HEAD(dma_list);
-
-static void s3c_dma_cb(struct s3c2410_dma_chan *channel, void *param,
- int size, enum s3c2410_dma_buffresult res)
-{
- struct cb_data *data = param;
-
- data->fp(data->fp_param);
-}
-
-static unsigned s3c_dma_request(enum dma_ch dma_ch,
- struct samsung_dma_req *param,
- struct device *dev, char *ch_name)
-{
- struct cb_data *data;
-
- if (s3c2410_dma_request(dma_ch, param->client, NULL) < 0) {
- s3c2410_dma_free(dma_ch, param->client);
- return 0;
- }
-
- if (param->cap == DMA_CYCLIC)
- s3c2410_dma_setflags(dma_ch, S3C2410_DMAF_CIRCULAR);
-
- data = kzalloc(sizeof(struct cb_data), GFP_KERNEL);
- data->ch = dma_ch;
- list_add_tail(&data->node, &dma_list);
-
- return (unsigned)dma_ch;
-}
-
-static int s3c_dma_release(unsigned ch, void *param)
-{
- struct cb_data *data;
-
- list_for_each_entry(data, &dma_list, node)
- if (data->ch == ch)
- break;
- list_del(&data->node);
-
- s3c2410_dma_free(ch, param);
- kfree(data);
-
- return 0;
-}
-
-static int s3c_dma_config(unsigned ch, struct samsung_dma_config *param)
-{
- s3c2410_dma_devconfig(ch, param->direction, param->fifo);
- s3c2410_dma_config(ch, param->width);
-
- return 0;
-}
-
-static int s3c_dma_prepare(unsigned ch, struct samsung_dma_prep *param)
-{
- struct cb_data *data;
- dma_addr_t pos = param->buf;
- dma_addr_t end = param->buf + param->len;
-
- list_for_each_entry(data, &dma_list, node)
- if (data->ch == ch)
- break;
-
- if (!data->fp) {
- s3c2410_dma_set_buffdone_fn(ch, s3c_dma_cb);
- data->fp = param->fp;
- data->fp_param = param->fp_param;
- }
-
- if (param->cap != DMA_CYCLIC) {
- s3c2410_dma_enqueue(ch, (void *)data, param->buf, param->len);
- return 0;
- }
-
- while (pos < end) {
- s3c2410_dma_enqueue(ch, (void *)data, pos, param->period);
- pos += param->period;
- }
-
- return 0;
-}
-
-static inline int s3c_dma_trigger(unsigned ch)
-{
- return s3c2410_dma_ctrl(ch, S3C2410_DMAOP_START);
-}
-
-static inline int s3c_dma_started(unsigned ch)
-{
- return s3c2410_dma_ctrl(ch, S3C2410_DMAOP_STARTED);
-}
-
-static inline int s3c_dma_flush(unsigned ch)
-{
- return s3c2410_dma_ctrl(ch, S3C2410_DMAOP_FLUSH);
-}
-
-static inline int s3c_dma_stop(unsigned ch)
-{
- return s3c2410_dma_ctrl(ch, S3C2410_DMAOP_STOP);
-}
-
-static struct samsung_dma_ops s3c_dma_ops = {
- .request = s3c_dma_request,
- .release = s3c_dma_release,
- .config = s3c_dma_config,
- .prepare = s3c_dma_prepare,
- .trigger = s3c_dma_trigger,
- .started = s3c_dma_started,
- .flush = s3c_dma_flush,
- .stop = s3c_dma_stop,
-};
-
-void *s3c_dma_get_ops(void)
-{
- return &s3c_dma_ops;
-}
-EXPORT_SYMBOL(s3c_dma_get_ops);