| /* |
| * 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 |
