diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /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.h | 71 |
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 |