summaryrefslogtreecommitdiff
path: root/arch/blackfin/include/asm/bfin_sport.h
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/blackfin/include/asm/bfin_sport.h
Initial import
Diffstat (limited to 'arch/blackfin/include/asm/bfin_sport.h')
-rw-r--r--arch/blackfin/include/asm/bfin_sport.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/bfin_sport.h b/arch/blackfin/include/asm/bfin_sport.h
new file mode 100644
index 000000000..50b9dfd48
--- /dev/null
+++ b/arch/blackfin/include/asm/bfin_sport.h
@@ -0,0 +1,71 @@
+/*
+ * bfin_sport.h - interface to Blackfin SPORTs
+ *
+ * Copyright 2004-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+#ifndef __BFIN_SPORT_H__
+#define __BFIN_SPORT_H__
+
+
+#include <linux/types.h>
+#include <uapi/asm/bfin_sport.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
+struct sport_register {
+ __BFP(tcr1);
+ __BFP(tcr2);
+ __BFP(tclkdiv);
+ __BFP(tfsdiv);
+ union {
+ u32 tx32;
+ u16 tx16;
+ };
+ u32 __pad_tx;
+ union {
+ u32 rx32; /* use the anomaly wrapper below */
+ u16 rx16;
+ };
+ u32 __pad_rx;
+ __BFP(rcr1);
+ __BFP(rcr2);
+ __BFP(rclkdiv);
+ __BFP(rfsdiv);
+ __BFP(stat);
+ __BFP(chnl);
+ __BFP(mcmc1);
+ __BFP(mcmc2);
+ u32 mtcs0;
+ u32 mtcs1;
+ u32 mtcs2;
+ u32 mtcs3;
+ u32 mrcs0;
+ u32 mrcs1;
+ u32 mrcs2;
+ u32 mrcs3;
+};
+#undef __BFP
+
+struct bfin_snd_platform_data {
+ const unsigned short *pin_req;
+};
+
+#define bfin_read_sport_rx32(base) \
+({ \
+ struct sport_register *__mmrs = (void *)base; \
+ u32 __ret; \
+ unsigned long flags; \
+ if (ANOMALY_05000473) \
+ local_irq_save(flags); \
+ __ret = __mmrs->rx32; \
+ if (ANOMALY_05000473) \
+ local_irq_restore(flags); \
+ __ret; \
+})
+
+#endif