convert aruba to the new structure

[openwrt/svn-archive/archive.git] / target / linux / aruba-2.6 / files / include / asm-mips / idt-boards / rc32434 / rc32434_dma_v.h

diff --git a/target/linux/aruba-2.6/files/include/asm-mips/idt-boards/rc32434/rc32434_dma_v.h b/target/linux/aruba-2.6/files/include/asm-mips/idt-boards/rc32434/rc32434_dma_v.h
new file mode 100644 (file)
index 0000000..cfb34d8
--- /dev/null
+++ b/target/linux/aruba-2.6/files/include/asm-mips/idt-boards/rc32434/rc32434_dma_v.h
@@ -0,0 +1,89 @@
+/**************************************************************************
+ *
+ *  BRIEF MODULE DESCRIPTION
+ *   Definitions for DMA controller.
+ *
+ *  Copyright 2004 IDT Inc. (rischelp@idt.com)
+ *         
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
+ *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
+ *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
+ *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
+ *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  You should have received a copy of the  GNU General Public License along
+ *  with this program; if not, write  to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
+ **************************************************************************
+ * May 2004 rkt, neb.
+ *
+ * Initial Release
+ *
+ * 
+ *
+ **************************************************************************
+ */
+
+#ifndef __IDT_DMA_V_H__
+#define __IDT_DMA_V_H__
+
+#include  <asm/idt-boards/rc32434/rc32434_dma.h> 
+#include  <asm/idt-boards/rc32434/rc32434.h>
+
+#define DMA_CHAN_OFFSET  0x14
+#define IS_DMA_USED(X) (((X) & (DMAD_f_m | DMAD_d_m | DMAD_t_m)) != 0)
+#define DMA_COUNT(count)   \
+  ((count) & DMAD_count_m)
+
+#define DMA_HALT_TIMEOUT 500
+
+
+static inline int rc32434_halt_dma(DMA_Chan_t ch)
+{
+       int timeout=1;
+       if (rc32434_readl(&ch->dmac) & DMAC_run_m) {
+               rc32434_writel(0, &ch->dmac); 
+               
+               for (timeout = DMA_HALT_TIMEOUT; timeout > 0; timeout--) {
+                       if (rc32434_readl(&ch->dmas) & DMAS_h_m) {
+                               rc32434_writel(0, &ch->dmas);  
+                               break;
+                       }
+               }
+
+       }
+       
+       return timeout ? 0 : 1;
+}
+
+static inline void rc32434_start_dma(DMA_Chan_t ch, u32 dma_addr)
+{
+       rc32434_writel(0, &ch->dmandptr); 
+       rc32434_writel(dma_addr, &ch->dmadptr);
+}
+
+static inline void rc32434_chain_dma(DMA_Chan_t ch, u32 dma_addr)
+{
+       rc32434_writel(dma_addr, &ch->dmandptr);
+}
+
+#endif // __IDT_DMA_V_H__
+
+
+
+
+
+
+