[ARM] S3C: Merge next-s3c64xx-dma2 into for-rmk-devel

Merge branch 'next-s3c64xx-dma2' into for-rmk-devel

Conflicts:

	arch/arm/plat-s3c64xx/Makefile

2 files changed, 10 insertions, 259 deletions

diff --git a/arch/arm/mach-s3c2410/dma.c b/arch/arm/mach-s3c2410/dma.c
index 440c014e24b3..dbf96e60d992 100644
--- a/arch/arm/mach-s3c2410/dma.c
+++ b/arch/arm/mach-s3c2410/dma.c
@@ -17,14 +17,16 @@
 #include <linux/sysdev.h>
 #include <linux/serial_core.h>
 
+#include <mach/map.h>
 #include <mach/dma.h>
 
 #include <plat/cpu.h>
-#include <plat/dma.h>
+#include <plat/dma-plat.h>
 
 #include <plat/regs-serial.h>
 #include <mach/regs-gpio.h>
 #include <plat/regs-ac97.h>
+#include <plat/regs-dma.h>
 #include <mach/regs-mem.h>
 #include <mach/regs-lcd.h>
 #include <mach/regs-sdi.h>
diff --git a/arch/arm/mach-s3c2410/include/mach/dma.h b/arch/arm/mach-s3c2410/include/mach/dma.h
index 13358ce2128c..c3a2629e0ded 100644
--- a/arch/arm/mach-s3c2410/include/mach/dma.h
+++ b/arch/arm/mach-s3c2410/include/mach/dma.h
@@ -3,7 +3,7 @@
  * Copyright (C) 2003,2004,2006 Simtec Electronics
  *      Ben Dooks <ben@simtec.co.uk>
  *
- * Samsung S3C241XX DMA support
+ * 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
@@ -13,8 +13,8 @@
 #ifndef __ASM_ARCH_DMA_H
 #define __ASM_ARCH_DMA_H __FILE__
 
+#include <plat/dma.h>
 #include <linux/sysdev.h>
-#include <mach/hardware.h>
 
 #define MAX_DMA_TRANSFER_SIZE   0x100000 /* Data Unit is half word  */
 
@@ -55,9 +55,9 @@ enum dma_ch {
 
 /* we have 4 dma channels */
 #ifndef CONFIG_CPU_S3C2443
-#define S3C2410_DMA_CHANNELS            (4)
+#define S3C_DMA_CHANNELS                (4)
 #else
-#define S3C2410_DMA_CHANNELS            (6)
+#define S3C_DMA_CHANNELS                (6)
 #endif
 
 /* types */
@@ -68,7 +68,6 @@ enum s3c2410_dma_state {
         S3C2410_DMA_PAUSED
 };
 
-
 /* enum s3c2410_dma_loadst
  *
  * This represents the state of the DMA engine, wrt to the loaded / running
@@ -104,32 +103,6 @@ enum s3c2410_dma_loadst {
         S3C2410_DMALOAD_1LOADED_1RUNNING,
 };
 
-enum s3c2410_dma_buffresult {
-        S3C2410_RES_OK,
-        S3C2410_RES_ERR,
-        S3C2410_RES_ABORT
-};
-
-enum s3c2410_dmasrc {
-        S3C2410_DMASRC_HW,              /* source is memory */
-        S3C2410_DMASRC_MEM              /* source is hardware */
-};
-
-/* 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 */
-};
 
 /* flags */
 
@@ -139,17 +112,14 @@ enum s3c2410_chan_op {
 
 /* dma buffer */
 
-struct s3c2410_dma_client {
-        char                *name;
-};
+struct s3c2410_dma_buf;
 
-/* s3c2410_dma_buf_s
+/* s3c2410_dma_buf
  *
  * internally used buffer structure to describe a queued or running
  * buffer.
 */
 
-struct s3c2410_dma_buf;
 struct s3c2410_dma_buf {
         struct s3c2410_dma_buf  *next;
         int                      magic;         /* magic */
@@ -161,20 +131,6 @@ struct s3c2410_dma_buf {
 
 /* [1] is this updated for both recv/send modes? */
 
-struct s3c2410_dma_chan;
-
-/* 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 );
-
 struct s3c2410_dma_stats {
         unsigned long           loads;
         unsigned long           timeout_longest;
@@ -206,10 +162,10 @@ struct s3c2410_dma_chan {
 
         /* channel configuration */
         enum s3c2410_dmasrc      source;
+        enum dma_ch              req_ch;
         unsigned long            dev_addr;
         unsigned long            load_timeout;
         unsigned int             flags;         /* channel flags */
-        unsigned int             hw_cfg;        /* last hw config */
 
         struct s3c24xx_dma_map  *map;           /* channel hw maps */
 
@@ -236,213 +192,6 @@ struct s3c2410_dma_chan {
         struct sys_device       dev;
 };
 
-/* the currently allocated channel information */
-extern struct s3c2410_dma_chan s3c2410_chans[];
-
-/* note, we don't really use dma_device_t at the moment */
 typedef unsigned long dma_device_t;
 
-/* functions --------------------------------------------------------------- */
-
-/* s3c2410_dma_request
- *
- * request a dma channel exclusivley
-*/
-
-extern int s3c2410_dma_request(unsigned int channel,
-                               struct s3c2410_dma_client *, void *dev);
-
-
-/* s3c2410_dma_ctrl
- *
- * change the state of the dma channel
-*/
-
-extern int s3c2410_dma_ctrl(unsigned int channel, enum s3c2410_chan_op op);
-
-/* s3c2410_dma_setflags
- *
- * set the channel's flags to a given state
-*/
-
-extern int s3c2410_dma_setflags(unsigned int channel,
-                                unsigned int flags);
-
-/* s3c2410_dma_free
- *
- * free the dma channel (will also abort any outstanding operations)
-*/
-
-extern int s3c2410_dma_free(unsigned int 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(unsigned int channel, void *id,
-                               dma_addr_t data, int size);
-
-/* s3c2410_dma_config
- *
- * configure the dma channel
-*/
-
-extern int s3c2410_dma_config(unsigned int channel, int xferunit, int dcon);
-
-/* s3c2410_dma_devconfig
- *
- * configure the device we're talking to
-*/
-
-extern int s3c2410_dma_devconfig(int channel, enum s3c2410_dmasrc source,
-                                 int hwcfg, unsigned long devaddr);
-
-/* s3c2410_dma_getposition
- *
- * get the position that the dma transfer is currently at
-*/
-
-extern int s3c2410_dma_getposition(unsigned int channel,
-                                   dma_addr_t *src, dma_addr_t *dest);
-
-extern int s3c2410_dma_set_opfn(unsigned int, s3c2410_dma_opfn_t rtn);
-extern int s3c2410_dma_set_buffdone_fn(unsigned int, s3c2410_dma_cbfn_t rtn);
-
-/* DMA Register definitions */
-
-#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
-
-#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
-
-#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 /* __ASM_ARCH_DMA_H */