From: Frank Mori Hess <fmhess@speakeasy.net>
Date: Sun, 4 Apr 2004 18:19:13 +0000 (+0000)
Subject: added declarations for IO Device Window Base Size Register
X-Git-Tag: r0_7_69~69
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=a33b3e1827083075b6086e2404f1255b011080b1;p=comedi.git

added declarations for IO Device Window Base Size Register
---

diff --git a/comedi/drivers/mite.c b/comedi/drivers/mite.c
index fe5dd2b4..fccd1861 100644
--- a/comedi/drivers/mite.c
+++ b/comedi/drivers/mite.c
@@ -122,9 +122,7 @@ int mite_setup(struct mite_struct *mite)
 	mite->daq_io_addr = ioremap(start, length) + offset;
 	printk("DAQ:0x%08lx mapped to %p\n",mite->daq_phys_addr,mite->daq_io_addr);
 
-	/* XXX don't know what the 0xc0 and 0x80 mean */
-	/* It must be here for the driver to work though */
-	writel(mite->daq_phys_addr | 0x80 , mite->mite_io_addr + 0xc0 );
+	writel(mite->daq_phys_addr | WENAB , mite->mite_io_addr + MITE_IODWBSR);
 
 	for( i = 0; i < NUM_MITE_DMA_CHANNELS; i++ ) {
 
diff --git a/comedi/drivers/mite.h b/comedi/drivers/mite.h
index c48a8d95..2b32f9ab 100644
--- a/comedi/drivers/mite.h
+++ b/comedi/drivers/mite.h
@@ -115,6 +115,16 @@ void mite_print_chsr(unsigned int chsr);
 void mite_dump_regs(struct mite_struct *mite, int channel);
 #endif
 
+enum mite_registers
+{
+	MITE_IODWBSR = 0xc0, //IO Device Window Base Size Register
+};
+
+enum MITE_IODWBSR_bits
+{
+	WENAB = 0x80,	// window enable
+};
+
 #define CHAN_OFFSET(x)			(0x100*(x))
 
 /* DMA base for chan 0 is 0x500, chan 1 is 0x600 */