aboutsummaryrefslogtreecommitdiff
path: root/arch/blackfin
diff options
context:
space:
mode:
authorMike Frysinger <vapier@gentoo.org>2010-10-22 04:41:13 +0000
committerMike Frysinger <vapier@gentoo.org>2010-10-22 16:30:03 -0400
commitfec84d21c52bca67949a17aaf7d410b497f8e1b0 (patch)
treec274bc2d05c489fef3a62403f853d9f4b860edbc /arch/blackfin
parentfaf3d9ed2b9b402aa2c3d11688c6a1ff80ea6ea4 (diff)
Blackfin: bfin_ppi.h: start a common PPI/EPPI header
Start unifying the PPI/EPPI peripheral structures in one place. This may be used by camera/video/fpga/high speed devices. Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin')
-rw-r--r--arch/blackfin/include/asm/bfin_ppi.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/bfin_ppi.h b/arch/blackfin/include/asm/bfin_ppi.h
new file mode 100644
index 00000000000..003900886f9
--- /dev/null
+++ b/arch/blackfin/include/asm/bfin_ppi.h
@@ -0,0 +1,51 @@
+/*
+ * bfin_ppi.h - interface to Blackfin PPIs
+ *
+ * Copyright 2005-2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __ASM_BFIN_PPI_H__
+#define __ASM_BFIN_PPI_H__
+
+#include <linux/types.h>
+
+/*
+ * All Blackfin system MMRs are padded to 32bits even if the register
+ * itself is only 16bits. So use a helper macro to streamline this.
+ */
+#define __BFP(m) u16 m; u16 __pad_##m
+
+/*
+ * bfin ppi registers layout
+ */
+struct bfin_ppi_regs {
+ __BFP(control);
+ __BFP(status);
+ __BFP(count);
+ __BFP(delay);
+ __BFP(frame);
+};
+
+/*
+ * bfin eppi registers layout
+ */
+struct bfin_eppi_regs {
+ __BFP(status);
+ __BFP(hcount);
+ __BFP(hdelay);
+ __BFP(vcount);
+ __BFP(vdelay);
+ __BFP(frame);
+ __BFP(line);
+ __BFP(clkdiv);
+ u32 control;
+ u32 fs1w_hbl;
+ u32 fs1p_avpl;
+ u32 fs2w_lvb;
+ u32 fs2p_lavf;
+ u32 clip;
+};
+
+#endif