/* linux/include/asm-arm/arch-bast/dma.h
*
- * Copyright (C) 2003 Simtec Electronics
- * Ben Dooks <ben@simtec.co.uk>
+ * Copyright (C) 2003,2004 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
*
* Samsung S3C2410X DMA support
*
* Changelog:
* ??-May-2003 BJD Created file
* ??-Jun-2003 BJD Added more dma functionality to go with arch
+ * 10-Nov-2004 BJD Added sys_device support
*/
-
#ifndef __ASM_ARCH_DMA_H
-#define __ASM_ARCH_DMA_H
+#define __ASM_ARCH_DMA_H __FILE__
#include <linux/config.h>
+#include <linux/sysdev.h>
#include "hardware.h"
unsigned int flags; /* channel flags */
/* channel's hardware position and configuration */
- unsigned long regs; /* channels registers */
+ void __iomem *regs; /* channels registers */
+ void __iomem *addr_reg; /* data address register */
unsigned int irq; /* channel irq */
- unsigned long addr_reg; /* data address register */
unsigned long dcon; /* default value of DCON */
/* driver handles */
s3c2410_dma_buf_t *curr; /* current dma buffer */
s3c2410_dma_buf_t *next; /* next buffer to load */
s3c2410_dma_buf_t *end; /* end of queue */
+
+ /* system device */
+ struct sys_device dev;
};
/* the currently allocated channel information */
extern int s3c2410_dma_devconfig(int channel, s3c2410_dmasrc_t source,
int hwcfg, unsigned long devaddr);
+/* s3c2410_dma_getposition
+ *
+ * get the position that the dma transfer is currently at
+*/
+
+extern int s3c2410_dma_getposition(dmach_t channel,
+ dma_addr_t *src, dma_addr_t *dest);
+
extern int s3c2410_dma_set_opfn(dmach_t, s3c2410_dma_opfn_t rtn);
extern int s3c2410_dma_set_buffdone_fn(dmach_t, s3c2410_dma_cbfn_t rtn);
#define S3C2410_DMA_DCDST (0x1C)
#define S3C2410_DMA_DMASKTRIG (0x20)
+#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_DCOM_DEMAND (0<<31)
+#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_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
+
#endif /* __ASM_ARCH_DMA_H */