From 2c7f83e006c3fee8d26e940eee801a4be9443e50 Mon Sep 17 00:00:00 2001
From: neoraider <devnull@localhost>
Date: Mon, 18 Apr 2005 15:18:02 +0000
Subject: Verzeichnisstruktur ver?ndert

---
 include/dma.h | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 include/dma.h

(limited to 'include/dma.h')

diff --git a/include/dma.h b/include/dma.h
new file mode 100644
index 0000000..3c45f7a
--- /dev/null
+++ b/include/dma.h
@@ -0,0 +1,47 @@
+#define PORT_DMA_BASE_ADDR0 0x00
+#define PORT_DMA_WORD_COUNT0 0x01
+#define PORT_DMA_BASE_ADDR1 0x02
+#define PORT_DMA_WORD_COUNT1 0x03
+#define PORT_DMA_BASE_ADDR2 0x04
+#define PORT_DMA_WORD_COUNT2 0x05
+#define PORT_DMA_BASE_ADDR3 0x06
+#define PORT_DMA_WORD_COUNT3 0x07
+
+#define PORT_DMA_COMMAND 0x08
+#define PORT_DMA_WRITE_REQUEST 0x09
+#define PORT_DMA_MASK 0x0A
+#define PORT_DMA_MODE 0x0B
+#define PORT_DMA_FF 0x0C
+
+#define PORT_DMA_PAGE0 0x87
+#define PORT_DMA_PAGE1 0x83
+#define PORT_DMA_PAGE2 0x81
+#define PORT_DMA_PAGE3 0x82
+
+#define DMA_MODE_DEMAND 0x00
+#define DMA_MODE_SINGLE 0x40
+#define DMA_MODE_BLOCK 0x80
+#define DMA_MODE_CASCADE 0xC0
+
+#define DMA_MODE_VERIFY 0x00
+#define DMA_MODE_READ 0x04
+#define DMA_MODE_WRITE 0x08
+
+#define DMA_MODE_INC_ADDR 0x00
+#define DMA_MODE_DEC_ADDR 0x20
+
+
+static unsigned char dma_page_ports[4] = {
+	PORT_DMA_PAGE0,
+	PORT_DMA_PAGE1,
+	PORT_DMA_PAGE2,
+	PORT_DMA_PAGE3
+};
+
+
+void dma_enable(unsigned char dma_nr);
+void dma_disable(unsigned char dma_nr);
+void dma_set_base_addr(unsigned char dma_nr, void *addr);
+void dma_set_word_count(unsigned char dma_nr, unsigned short words);
+void dma_set_mode(unsigned char dma_nr, unsigned char mode);
+void dma_clear_ff();
-- 
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