waterDataDiscreteRateMining standardDeviationMemoryDefinition.h 韩正义 commit at 2020-09-22

waterDataDiscreteRateMining/dataSharedMemory/standardDeviationMemoryDefinition.h

@@ -0,0 +1,184 @@
+#ifndef _M68K_DMA_H
+#define _M68K_DMA_H 1
+
+#ifdef CONFIG_COLDFIRE
+/*
+ * ColdFire DMA Model:
+ *   ColdFire DMA supports two forms of DMA: Single and Dual address. Single
+ * address mode emits a source address, and expects that the device will either
+ * pick up the data (DMA READ) or source data (DMA WRITE). This implies that
+ * the device will place data on the correct byte(s) of the data bus, as the
+ * memory transactions are always 32 bits. This implies that only 32 bit
+ * devices will find single mode transfers useful. Dual address DMA mode
+ * performs two cycles: source read and destination write. ColdFire will
+ * align the data so that the device will always get the correct bytes, thus
+ * is useful for 8 and 16 bit devices. This is the mode that is supported
+ * below.
+ *
+ * AUG/22/2000 : added support for 32-bit Dual-Address-Mode (K) 2000
+ *               Oliver Kamphenkel (O.Kamphenkel@tu-bs.de)
+ *
+ * AUG/25/2000 : addad support for 8, 16 and 32-bit Single-Address-Mode (K)2000
+ *               Oliver Kamphenkel (O.Kamphenkel@tu-bs.de)
+ *
+ * APR/18/2002 : added proper support for MCF5272 DMA controller.
+ *               Arthur Shipkowski (art@videon-central.com)
+ */
+
+#include <asm/coldfire.h>
+#include <asm/mcfsim.h>
+#include <asm/mcfdma.h>
+
+/*
+ * Set number of channels of DMA on ColdFire for different implementations.
+ */
+#if defined(CONFIG_M5249) || defined(CONFIG_M5307) || defined(CONFIG_M5407) || \
+	defined(CONFIG_M523x) || defined(CONFIG_M527x) || \
+	defined(CONFIG_M528x) || defined(CONFIG_M525x)
+
+#define MAX_M68K_DMA_CHANNELS 4
+#elif defined(CONFIG_M5272)
+#define MAX_M68K_DMA_CHANNELS 1
+#elif defined(CONFIG_M532x)
+#define MAX_M68K_DMA_CHANNELS 0
+#else
+#define MAX_M68K_DMA_CHANNELS 2
+#endif
+
+extern unsigned int dma_base_addr[MAX_M68K_DMA_CHANNELS];
+extern unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS];
+
+#if !defined(CONFIG_M5272)
+#define DMA_MODE_WRITE_BIT  0x01  /* Memory/IO to IO/Memory select */
+#define DMA_MODE_WORD_BIT   0x02  /* 8 or 16 bit transfers */
+#define DMA_MODE_LONG_BIT   0x04  /* or 32 bit transfers */
+#define DMA_MODE_SINGLE_BIT 0x08  /* single-address-mode */
+
+/* I/O to memory, 8 bits, mode */
+#define DMA_MODE_READ	            0
+/* memory to I/O, 8 bits, mode */
+#define DMA_MODE_WRITE	            1
+/* I/O to memory, 16 bits, mode */
+#define DMA_MODE_READ_WORD          2
+/* memory to I/O, 16 bits, mode */
+#define DMA_MODE_WRITE_WORD         3
+/* I/O to memory, 32 bits, mode */
+#define DMA_MODE_READ_LONG          4
+/* memory to I/O, 32 bits, mode */
+#define DMA_MODE_WRITE_LONG         5
+/* I/O to memory, 8 bits, single-address-mode */
+#define DMA_MODE_READ_SINGLE        8
+/* memory to I/O, 8 bits, single-address-mode */
+#define DMA_MODE_WRITE_SINGLE       9
+/* I/O to memory, 16 bits, single-address-mode */
+#define DMA_MODE_READ_WORD_SINGLE  10
+/* memory to I/O, 16 bits, single-address-mode */
+#define DMA_MODE_WRITE_WORD_SINGLE 11
+/* I/O to memory, 32 bits, single-address-mode */
+#define DMA_MODE_READ_LONG_SINGLE  12
+/* memory to I/O, 32 bits, single-address-mode */
+#define DMA_MODE_WRITE_LONG_SINGLE 13
+
+#else /* CONFIG_M5272 is defined */
+
+/* Source static-address mode */
+#define DMA_MODE_SRC_SA_BIT 0x01
+/* Two bits to select between all four modes */
+#define DMA_MODE_SSIZE_MASK 0x06
+/* Offset to shift bits in */
+#define DMA_MODE_SSIZE_OFF  0x01
+/* Destination static-address mode */
+#define DMA_MODE_DES_SA_BIT 0x10
+/* Two bits to select between all four modes */
+#define DMA_MODE_DSIZE_MASK 0x60
+/* Offset to shift bits in */
+#define DMA_MODE_DSIZE_OFF  0x05
+/* Size modifiers */
+#define DMA_MODE_SIZE_LONG  0x00
+#define DMA_MODE_SIZE_BYTE  0x01
+#define DMA_MODE_SIZE_WORD  0x02
+#define DMA_MODE_SIZE_LINE  0x03
+
+/*
+ * Aliases to help speed quick ports; these may be suboptimal, however. They
+ * do not include the SINGLE mode modifiers since the MCF5272 does not have a
+ * mode where the device is in control of its addressing.
+ */
+
+/* I/O to memory, 8 bits, mode */
+#define DMA_MODE_READ	              ((DMA_MODE_SIZE_BYTE << DMA_MODE_DSIZE_OFF) | (DMA_MODE_SIZE_BYTE << DMA_MODE_SSIZE_OFF) | DMA_SRC_SA_BIT)
+/* memory to I/O, 8 bits, mode */
+#define DMA_MODE_WRITE	            ((DMA_MODE_SIZE_BYTE << DMA_MODE_DSIZE_OFF) | (DMA_MODE_SIZE_BYTE << DMA_MODE_SSIZE_OFF) | DMA_DES_SA_BIT)
+/* I/O to memory, 16 bits, mode */
+#define DMA_MODE_READ_WORD	        ((DMA_MODE_SIZE_WORD << DMA_MODE_DSIZE_OFF) | (DMA_MODE_SIZE_WORD << DMA_MODE_SSIZE_OFF) | DMA_SRC_SA_BIT)
+/* memory to I/O, 16 bits, mode */
+#define DMA_MODE_WRITE_WORD         ((DMA_MODE_SIZE_WORD << DMA_MODE_DSIZE_OFF) | (DMA_MODE_SIZE_WORD << DMA_MODE_SSIZE_OFF) | DMA_DES_SA_BIT)
+/* I/O to memory, 32 bits, mode */
+#define DMA_MODE_READ_LONG	        ((DMA_MODE_SIZE_LONG << DMA_MODE_DSIZE_OFF) | (DMA_MODE_SIZE_LONG << DMA_MODE_SSIZE_OFF) | DMA_SRC_SA_BIT)
+/* memory to I/O, 32 bits, mode */
+#define DMA_MODE_WRITE_LONG         ((DMA_MODE_SIZE_LONG << DMA_MODE_DSIZE_OFF) | (DMA_MODE_SIZE_LONG << DMA_MODE_SSIZE_OFF) | DMA_DES_SA_BIT)
+
+#endif /* !defined(CONFIG_M5272) */
+
+#if !defined(CONFIG_M5272)
+/* enable/disable a specific DMA channel */
+static __inline__ void enable_dma(unsigned int dmanr)
+{
+  volatile unsigned short *dmawp;
+
+#ifdef DMA_DEBUG
+  printk("enable_dma(dmanr=%d)\n", dmanr);
+#endif
+
+  dmawp = (unsigned short *) dma_base_addr[dmanr];
+  dmawp[MCFDMA_DCR] |= MCFDMA_DCR_EEXT;
+}
+
+static __inline__ void disable_dma(unsigned int dmanr)
+{
+  volatile unsigned short *dmawp;
+  volatile unsigned char  *dmapb;
+
+#ifdef DMA_DEBUG
+  printk("disable_dma(dmanr=%d)\n", dmanr);
+#endif
+
+  dmawp = (unsigned short *) dma_base_addr[dmanr];
+  dmapb = (unsigned char *) dma_base_addr[dmanr];
+
+  /* Turn off external requests, and stop any DMA in progress */
+  dmawp[MCFDMA_DCR] &= ~MCFDMA_DCR_EEXT;
+  dmapb[MCFDMA_DSR] = MCFDMA_DSR_DONE;
+}
+
+/*
+ * Clear the 'DMA Pointer Flip Flop'.
+ * Write 0 for LSB/MSB, 1 for MSB/LSB access.
+ * Use this once to initialize the FF to a known state.
+ * After that, keep track of it. :-)
+ * --- In order to do that, the DMA routines below should ---
+ * --- only be used while interrupts are disabled! ---
+ *
+ * This is a NOP for ColdFire. Provide a stub for compatibility.
+ */
+static __inline__ void clear_dma_ff(unsigned int dmanr)
+{
+}
+
+/* set mode (above) for a specific DMA channel */
+static __inline__ void set_dma_mode(unsigned int dmanr, char mode)
+{
+
+  volatile unsigned char  *dmabp;
+  volatile unsigned short *dmawp;
+
+#ifdef DMA_DEBUG
+  printk("set_dma_mode(dmanr=%d,mode=%d)\n", dmanr, mode);
+#endif
+
+  dmabp = (unsigned char *) dma_base_addr[dmanr];
+  dmawp = (unsigned short *) dma_base_addr[dmanr];
+
+  /* Clear config errors */
+  dmabp[MCFDMA_DSR] = MCFDMA_DSR_DONE;
+