| /* Copyright (C) 2006-2014 Free Software Foundation, Inc. |
| |
| This file 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 3 of the License, or (at your option) |
| any later version. |
| |
| This file is distributed in the hope that it will be useful, but WITHOUT |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| for more details. |
| |
| Under Section 7 of GPL version 3, you are granted additional |
| permissions described in the GCC Runtime Library Exception, version |
| 3.1, as published by the Free Software Foundation. |
| |
| You should have received a copy of the GNU General Public License and |
| a copy of the GCC Runtime Library Exception along with this program; |
| see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef __SPU_MFCIO_H__ |
| #define __SPU_MFCIO_H__ 1 |
| |
| #include <spu_intrinsics.h> |
| #ifdef __IN_LIBGCC2 |
| typedef unsigned long long uint64_t; |
| #else |
| #include <stdint.h> |
| #endif |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| |
| /****************************************************************/ |
| /* DMA list element structure*/ |
| /****************************************************************/ |
| |
| #ifdef __GNUC__ |
| __extension__ |
| #endif |
| typedef struct mfc_list_element { |
| uint64_t notify : 1; /** Stall-and-notify bit */ |
| uint64_t reserved : 16; |
| uint64_t size : 15; /** Transfer size */ |
| uint64_t eal : 32; /** Lower word of effective address */ |
| } mfc_list_element_t; |
| |
| /****************************************************************/ |
| /* DMA max/min size definitions. */ |
| /****************************************************************/ |
| |
| #define MFC_MIN_DMA_SIZE_SHIFT 4 /* 16 bytes */ |
| #define MFC_MAX_DMA_SIZE_SHIFT 14 /* 16384 bytes */ |
| |
| #define MFC_MIN_DMA_SIZE (1 << MFC_MIN_DMA_SIZE_SHIFT) |
| #define MFC_MAX_DMA_SIZE (1 << MFC_MAX_DMA_SIZE_SHIFT) |
| |
| #define MFC_MIN_DMA_SIZE_MASK (MFC_MIN_DMA_SIZE - 1) |
| #define MFC_MAX_DMA_SIZE_MASK (MFC_MAX_DMA_SIZE - 1) |
| |
| #define MFC_MIN_DMA_LIST_ELEMENTS 1 |
| #define MFC_MAX_DMA_LIST_ELEMENTS 2048 |
| |
| #define MFC_MIN_DMA_LIST_SIZE (MFC_MIN_DMA_LIST_ELEMENTS << 3) /* 8 bytes */ |
| #define MFC_MAX_DMA_LIST_SIZE (MFC_MAX_DMA_LIST_ELEMENTS << 3) /* 16K bytes */ |
| |
| /****************************************************************/ |
| /* MFC DMA command modifiers to identify classes of operations. */ |
| /****************************************************************/ |
| |
| /* Note: These commands modifier may be used in conjunction with the base |
| command types (i.e. MFC_PUT_CMD, MFC_GET_CMD, and MFC_SNDSIG_CMD) |
| to construct the various command permutations. */ |
| |
| #define MFC_BARRIER_ENABLE 0x0001 |
| #define MFC_FENCE_ENABLE 0x0002 |
| #define MFC_LIST_ENABLE 0x0004 |
| #define MFC_RESULT_ENABLE 0x0010 |
| |
| /****************************************************************/ |
| /* MFC DMA Put Commands */ |
| /****************************************************************/ |
| |
| #define MFC_PUT_CMD 0x0020 |
| #define MFC_PUTB_CMD (MFC_PUT_CMD | MFC_BARRIER_ENABLE) |
| #define MFC_PUTF_CMD (MFC_PUT_CMD | MFC_FENCE_ENABLE) |
| #define MFC_PUTL_CMD (MFC_PUT_CMD | MFC_LIST_ENABLE) |
| #define MFC_PUTLB_CMD (MFC_PUTL_CMD | MFC_BARRIER_ENABLE) |
| #define MFC_PUTLF_CMD (MFC_PUTL_CMD | MFC_FENCE_ENABLE) |
| |
| #define MFC_PUTR_CMD (MFC_PUT_CMD | MFC_RESULT_ENABLE) |
| #define MFC_PUTRB_CMD (MFC_PUTR_CMD | MFC_BARRIER_ENABLE) |
| #define MFC_PUTRF_CMD (MFC_PUTR_CMD | MFC_FENCE_ENABLE) |
| #define MFC_PUTRL_CMD (MFC_PUTR_CMD | MFC_LIST_ENABLE) |
| #define MFC_PUTRLB_CMD (MFC_PUTRL_CMD | MFC_BARRIER_ENABLE) |
| #define MFC_PUTRLF_CMD (MFC_PUTRL_CMD | MFC_FENCE_ENABLE) |
| |
| /****************************************************************/ |
| /* MFC DMA Get Commands */ |
| /****************************************************************/ |
| |
| #define MFC_GET_CMD 0x0040 |
| #define MFC_GETB_CMD (MFC_GET_CMD | MFC_BARRIER_ENABLE) |
| #define MFC_GETF_CMD (MFC_GET_CMD | MFC_FENCE_ENABLE) |
| #define MFC_GETL_CMD (MFC_GET_CMD | MFC_LIST_ENABLE) |
| #define MFC_GETLB_CMD (MFC_GETL_CMD | MFC_BARRIER_ENABLE) |
| #define MFC_GETLF_CMD (MFC_GETL_CMD | MFC_FENCE_ENABLE) |
| |
| /****************************************************************/ |
| /* MFC Synchronization Commands */ |
| /****************************************************************/ |
| |
| #define MFC_SNDSIG_CMD 0x00A0 |
| #define MFC_SNDSIGB_CMD (MFC_SNDSIG_CMD | MFC_BARRIER_ENABLE) |
| #define MFC_SNDSIGF_CMD (MFC_SNDSIG_CMD | MFC_FENCE_ENABLE) |
| #define MFC_BARRIER_CMD 0x00C0 |
| #define MFC_EIEIO_CMD 0x00C8 |
| #define MFC_SYNC_CMD 0x00CC |
| |
| /****************************************************************/ |
| /* MFC Atomic Commands */ |
| /****************************************************************/ |
| |
| #define MFC_GETLLAR_CMD 0x00D0 |
| #define MFC_PUTLLC_CMD 0x00B4 |
| #define MFC_PUTLLUC_CMD 0x00B0 |
| #define MFC_PUTQLLUC_CMD 0x00B8 |
| |
| /****************************************************************/ |
| /* MFC SL1 Storage Control Commands */ |
| /****************************************************************/ |
| |
| #define MFC_SDCRT_CMD 0x0080 |
| #define MFC_SDCRTST_CMD 0x0081 |
| #define MFC_SDCRZ_CMD 0x0089 |
| #define MFC_SDCRST_CMD 0x008D |
| #define MFC_SDCRF_CMD 0x008F |
| |
| /****************************************************************/ |
| /* Channel Defines */ |
| /****************************************************************/ |
| |
| /* Events Defines for channels |
| * 0 (SPU_RdEventStat), |
| * 1 (SPU_WrEventMask), and |
| * 2 (SPU_WrEventAck). |
| */ |
| #define MFC_TAG_STATUS_UPDATE_EVENT 0x00000001 |
| #define MFC_LIST_STALL_NOTIFY_EVENT 0x00000002 |
| #define MFC_COMMAND_QUEUE_AVAILABLE_EVENT 0x00000008 |
| #define MFC_IN_MBOX_AVAILABLE_EVENT 0x00000010 |
| #define MFC_DECREMENTER_EVENT 0x00000020 |
| #define MFC_OUT_INTR_MBOX_AVAILABLE_EVENT 0x00000040 |
| #define MFC_OUT_MBOX_AVAILABLE_EVENT 0x00000080 |
| #define MFC_SIGNAL_NOTIFY_2_EVENT 0x00000100 |
| #define MFC_SIGNAL_NOTIFY_1_EVENT 0x00000200 |
| #define MFC_LLR_LOST_EVENT 0x00000400 |
| #define MFC_PRIV_ATTN_EVENT 0x00000800 |
| #define MFC_MULTI_SRC_SYNC_EVENT 0x00001000 |
| |
| /* Tag Status Update defines for channel 23 (MFC_WrTagUpdate) */ |
| #define MFC_TAG_UPDATE_IMMEDIATE 0x0 |
| #define MFC_TAG_UPDATE_ANY 0x1 |
| #define MFC_TAG_UPDATE_ALL 0x2 |
| |
| /* Atomic Command Status defines for channel 27 (MFC_RdAtomicStat) */ |
| #define MFC_PUTLLC_STATUS 0x00000001 |
| #define MFC_PUTLLUC_STATUS 0x00000002 |
| #define MFC_GETLLAR_STATUS 0x00000004 |
| |
| |
| /****************************************************************/ |
| /* Definitions for constructing a 32-bit command word */ |
| /* including the transfer and replacement class id and the */ |
| /* command opcode. */ |
| /****************************************************************/ |
| #define MFC_CMD_WORD(_tid, _rid, _cmd) (((_tid)<<24)|((_rid)<<16)|(_cmd)) |
| |
| |
| /* Addressing Utilities */ |
| #define mfc_ea2h(ea) (unsigned int)((unsigned long long)(ea)>>32) |
| #define mfc_ea2l(ea) (unsigned int)(ea) |
| #define mfc_hl2ea(h,l) si_to_ullong(si_selb(si_from_uint(h),\ |
| si_rotqbyi(si_from_uint(l), -4),\ |
| si_fsmbi(0x0f0f))) |
| #define mfc_ceil128(v) (((v) + 127) & ~127) |
| |
| /* MFC DMA */ |
| #define mfc_put( ls,ea,size,tag,tid,rid) spu_mfcdma64(ls,mfc_ea2h(ea),mfc_ea2l(ea),size,tag,MFC_CMD_WORD(tid,rid,MFC_PUT_CMD)) |
| #define mfc_putf( ls,ea,size,tag,tid,rid) spu_mfcdma64(ls,mfc_ea2h(ea),mfc_ea2l(ea),size,tag,MFC_CMD_WORD(tid,rid,MFC_PUTF_CMD)) |
| #define mfc_putb( ls,ea,size,tag,tid,rid) spu_mfcdma64(ls,mfc_ea2h(ea),mfc_ea2l(ea),size,tag,MFC_CMD_WORD(tid,rid,MFC_PUTB_CMD)) |
| #define mfc_get( ls,ea,size,tag,tid,rid) spu_mfcdma64(ls,mfc_ea2h(ea),mfc_ea2l(ea),size,tag,MFC_CMD_WORD(tid,rid,MFC_GET_CMD)) |
| #define mfc_getf( ls,ea,size,tag,tid,rid) spu_mfcdma64(ls,mfc_ea2h(ea),mfc_ea2l(ea),size,tag,MFC_CMD_WORD(tid,rid,MFC_GETF_CMD)) |
| #define mfc_getb( ls,ea,size,tag,tid,rid) spu_mfcdma64(ls,mfc_ea2h(ea),mfc_ea2l(ea),size,tag,MFC_CMD_WORD(tid,rid,MFC_GETB_CMD)) |
| |
| /* MFC list DMA */ |
| #define mfc_putl( ls,ea,lsa,size,tag,tid,rid) spu_mfcdma64(ls,mfc_ea2h(ea),(unsigned int)(lsa),size,tag,MFC_CMD_WORD(tid,rid,MFC_PUTL_CMD)) |
| #define mfc_putlf( ls,ea,lsa,size,tag,tid,rid) spu_mfcdma64(ls,mfc_ea2h(ea),(unsigned int)(lsa),size,tag,MFC_CMD_WORD(tid,rid,MFC_PUTLF_CMD)) |
| #define mfc_putlb( ls,ea,lsa,size,tag,tid,rid) spu_mfcdma64(ls,mfc_ea2h(ea),(unsigned int)(lsa),size,tag,MFC_CMD_WORD(tid,rid,MFC_PUTLB_CMD)) |
| #define mfc_getl( ls,ea,lsa,size,tag,tid,rid) spu_mfcdma64(ls,mfc_ea2h(ea),(unsigned int)(lsa),size,tag,MFC_CMD_WORD(tid,rid,MFC_GETL_CMD)) |
| #define mfc_getlf( ls,ea,lsa,size,tag,tid,rid) spu_mfcdma64(ls,mfc_ea2h(ea),(unsigned int)(lsa),size,tag,MFC_CMD_WORD(tid,rid,MFC_GETLF_CMD)) |
| #define mfc_getlb( ls,ea,lsa,size,tag,tid,rid) spu_mfcdma64(ls,mfc_ea2h(ea),(unsigned int)(lsa),size,tag,MFC_CMD_WORD(tid,rid,MFC_GETLB_CMD)) |
| |
| /* MFC Atomic Update DMA */ |
| #define mfc_getllar( ls,ea,tid,rid) spu_mfcdma64(ls,mfc_ea2h(ea),mfc_ea2l(ea),128, 0,MFC_CMD_WORD(tid,rid,MFC_GETLLAR_CMD)) |
| #define mfc_putllc( ls,ea,tid,rid) spu_mfcdma64(ls,mfc_ea2h(ea),mfc_ea2l(ea),128, 0,MFC_CMD_WORD(tid,rid,MFC_PUTLLC_CMD)) |
| #define mfc_putlluc( ls,ea,tid,rid) spu_mfcdma64(ls,mfc_ea2h(ea),mfc_ea2l(ea),128, 0,MFC_CMD_WORD(tid,rid,MFC_PUTLLUC_CMD)) |
| #define mfc_putqlluc(ls,ea,tag,tid,rid) spu_mfcdma64(ls,mfc_ea2h(ea),mfc_ea2l(ea),128,tag,MFC_CMD_WORD(tid,rid,MFC_PUTQLLUC_CMD)) |
| |
| /* MFC Synchronization Commands */ |
| #define mfc_sndsig( ls,ea,tag,tid,rid) spu_mfcdma64(ls,mfc_ea2h(ea),mfc_ea2l(ea),4,tag,MFC_CMD_WORD(tid,rid,MFC_SNDSIG_CMD)) |
| #define mfc_sndsigb(ls,ea,tag,tid,rid) spu_mfcdma64(ls,mfc_ea2h(ea),mfc_ea2l(ea),4,tag,MFC_CMD_WORD(tid,rid,MFC_SNDSIGB_CMD)) |
| #define mfc_sndsigf(ls,ea,tag,tid,rid) spu_mfcdma64(ls,mfc_ea2h(ea),mfc_ea2l(ea),4,tag,MFC_CMD_WORD(tid,rid,MFC_SNDSIGF_CMD)) |
| #define mfc_barrier(tag) spu_mfcdma32(0,0,0,tag,MFC_BARRIER_CMD) |
| #define mfc_eieio(tag,tid,rid) spu_mfcdma32(0,0,0,tag,MFC_CMD_WORD(tid,rid,MFC_EIEIO_CMD)) |
| #define mfc_sync(tag) spu_mfcdma32(0,0,0,tag,MFC_SYNC_CMD) |
| |
| /* MFC SL1 Storage Control Commands */ |
| #define mfc_sdcrt( ea,size,tag,tid,rid) spu_mfcdma64(0,mfc_ea2h(ea),mfc_ea2l(ea),size,tag,MFC_CMD_WORD(tid,rid,MFC_SDCRT_CMD)) |
| #define mfc_sdcrtst(ea,size,tag,tid,rid) spu_mfcdma64(0,mfc_ea2h(ea),mfc_ea2l(ea),size,tag,MFC_CMD_WORD(tid,rid,MFC_SDCRTST_CMD)) |
| #define mfc_sdcrz( ea,size,tag,tid,rid) spu_mfcdma64(0,mfc_ea2h(ea),mfc_ea2l(ea),size,tag,MFC_CMD_WORD(tid,rid,MFC_SDCRZ_CMD)) |
| #define mfc_sdcrst( ea,size,tag,tid,rid) spu_mfcdma64(0,mfc_ea2h(ea),mfc_ea2l(ea),size,tag,MFC_CMD_WORD(tid,rid,MFC_SDCRST_CMD)) |
| #define mfc_sdcrf( ea,size,tag,tid,rid) spu_mfcdma64(0,mfc_ea2h(ea),mfc_ea2l(ea),size,tag,MFC_CMD_WORD(tid,rid,MFC_SDCRF_CMD)) |
| |
| /* DMA Queue */ |
| #define mfc_stat_cmd_queue() spu_readchcnt(MFC_Cmd) |
| |
| /* MFC Tag-Status */ |
| #define mfc_write_tag_mask(mask) spu_writech(MFC_WrTagMask,mask) |
| #define mfc_read_tag_mask() spu_readch(MFC_RdTagMask) |
| |
| #define mfc_write_tag_update(ts) spu_writech(MFC_WrTagUpdate,ts) |
| #define mfc_write_tag_update_immediate() mfc_write_tag_update(MFC_TAG_UPDATE_IMMEDIATE) |
| #define mfc_write_tag_update_any() mfc_write_tag_update(MFC_TAG_UPDATE_ANY) |
| #define mfc_write_tag_update_all() mfc_write_tag_update(MFC_TAG_UPDATE_ALL) |
| #define mfc_stat_tag_update() spu_readchcnt(MFC_WrTagUpdate) |
| |
| #define mfc_read_tag_status() spu_readch(MFC_RdTagStat) |
| #define mfc_read_tag_status_immediate() (mfc_write_tag_update_immediate(), mfc_read_tag_status()) |
| #define mfc_read_tag_status_any() (mfc_write_tag_update_any(), mfc_read_tag_status()) |
| #define mfc_read_tag_status_all() (mfc_write_tag_update_all(), mfc_read_tag_status()) |
| #define mfc_stat_tag_status() spu_readchcnt(MFC_RdTagStat) |
| |
| /* MFC List Stall-and-Notify Tag */ |
| #define mfc_read_list_stall_status() spu_readch(MFC_RdListStallStat) |
| #define mfc_stat_list_stall_status() spu_readchcnt(MFC_RdListStallStat) |
| #define mfc_write_list_stall_ack(tag) spu_writech(MFC_WrListStallAck,tag) |
| |
| /* Atomic DMA */ |
| #define mfc_read_atomic_status() spu_readch(MFC_RdAtomicStat) |
| #define mfc_stat_atomic_status() spu_readchcnt(MFC_RdAtomicStat) |
| |
| /* MFC Multi-source Synchronization */ |
| #define mfc_write_multi_src_sync_request() spu_writech(MFC_WrMSSyncReq,0) |
| #define mfc_stat_multi_src_sync_request() spu_readchcnt(MFC_WrMSSyncReq) |
| |
| /* SPU Signal */ |
| #define spu_read_signal1() spu_readch(SPU_RdSigNotify1) |
| #define spu_stat_signal1() spu_readchcnt(SPU_RdSigNotify1) |
| #define spu_read_signal2() spu_readch(SPU_RdSigNotify2) |
| #define spu_stat_signal2() spu_readchcnt(SPU_RdSigNotify2) |
| |
| /* SPU/PPE Mailbox */ |
| #define spu_read_in_mbox() spu_readch(SPU_RdInMbox) |
| #define spu_stat_in_mbox() spu_readchcnt(SPU_RdInMbox) |
| #define spu_write_out_mbox(a) spu_writech(SPU_WrOutMbox,a) |
| #define spu_stat_out_mbox() spu_readchcnt(SPU_WrOutMbox) |
| #define spu_write_out_intr_mbox(a) spu_writech(SPU_WrOutIntrMbox,a) |
| #define spu_stat_out_intr_mbox() spu_readchcnt(SPU_WrOutIntrMbox) |
| |
| /* SPU Decrementer */ |
| #define spu_read_decrementer() spu_readch(SPU_RdDec) |
| #define spu_write_decrementer(cnt) spu_writech(SPU_WrDec,(cnt)) |
| |
| /* SPU Event */ |
| #define spu_read_event_status() spu_readch(SPU_RdEventStat) |
| #define spu_stat_event_status() spu_readchcnt(SPU_RdEventStat) |
| #define spu_write_event_mask(mask) spu_writech(SPU_WrEventMask,(mask)) |
| #define spu_write_event_ack(ack) spu_writech(SPU_WrEventAck,(ack)) |
| #define spu_read_event_mask() spu_readch(SPU_RdEventMask) |
| |
| /* SPU State Management */ |
| #define spu_read_machine_status() spu_readch(SPU_RdMachStat) |
| #define spu_write_srr0(srr0) spu_writech(SPU_WrSRR0,srr0) |
| #define spu_read_srr0() spu_readch(SPU_RdSRR0) |
| |
| /* Interrupt-Safe Critical Sections */ |
| |
| static __inline__ unsigned int mfc_begin_critical_section (void) |
| __attribute__ ((__always_inline__)); |
| |
| static __inline__ unsigned int |
| mfc_begin_critical_section (void) |
| { |
| #ifdef SPU_MFCIO_INTERRUPT_SAFE |
| unsigned int __status = spu_read_machine_status (); |
| spu_idisable (); |
| return __status; |
| #else |
| return 0; |
| #endif |
| } |
| |
| static __inline__ void mfc_end_critical_section (unsigned int) |
| __attribute__ ((__always_inline__)); |
| |
| static __inline__ void |
| mfc_end_critical_section (unsigned int __status __attribute__ ((__unused__))) |
| { |
| #ifdef SPU_MFCIO_INTERRUPT_SAFE |
| if (__status & 1) |
| spu_ienable (); |
| #endif |
| } |
| |
| /* MFC Tag Manager */ |
| |
| #define MFC_TAG_INVALID 0xFFFFFFFF |
| #define MFC_TAG_VALID 0x00000000 |
| |
| #define mfc_tag_reserve() \ |
| __mfc_tag_reserve() |
| #define mfc_tag_release(tag) \ |
| __mfc_tag_release((tag)) |
| #define mfc_multi_tag_reserve(nr_tags) \ |
| __mfc_multi_tag_reserve((nr_tags)) |
| #define mfc_multi_tag_release(tag, nr_tags) \ |
| __mfc_multi_tag_release((tag),(nr_tags)) |
| |
| extern unsigned int __mfc_tag_reserve (void); |
| extern unsigned int __mfc_tag_release (unsigned int); |
| extern unsigned int __mfc_multi_tag_reserve (unsigned int); |
| extern unsigned int __mfc_multi_tag_release (unsigned int, unsigned int); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* __SPU_MFCIO_H__ */ |
