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/*
* Common header file for all AVC MC kernels
* Copyright © <2010>, Intel Corporation.
*
* This program is licensed under the terms and conditions of the
* Eclipse Public License (EPL), version 1.0. The full text of the EPL is at
* http://www.opensource.org/licenses/eclipse-1.0.php.
*
*/
#if !defined(__HEADER__) // Make sure this file is only included once
#define __HEADER__
// Module name: header.inc
//
// Common header file for all AVC MC kernels
//
#ifndef COMBINED_KERNEL
#ifdef DEV_CTG
#define SW_SCOREBOARD // SW Scoreboard should be enabled for CTG and earlier
#undef HW_SCOREBOARD // HW Scoreboard should be disabled for CTG and earlier
#else
#define HW_SCOREBOARD // HW Scoreboard should be enabled for ILK and beyond
#undef SW_SCOREBOARD // SW Scoreboard should be disabled for ILK and beyond
#endif // DEV_CTG
#endif // COMBINED_KERNEL
//#define MONO // Build Monochrome kernels
// Surface state definition
//
#define DESTY 0
#define DESTUV 1
#define REFYFM0 2
#define REFYFM1 3
#define REFYFM2 4
#define REFYFM3 5
#define REFYFM4 6
#define REFYFM5 7
#define REFYFM6 8
#define REFYFM7 9
#define REFYFM8 10
#define REFYFM9 11
#define REFYFM10 12
#define REFYFM11 13
#define REFYFM12 14
#define REFYFM13 15
#define REFYFM14 16
#define REFYFM15 17
#define REFUVFM0 18
#define REFUVFM1 19
#define REFUVFM2 20
#define REFUVFM3 21
#define REFUVFM4 22
#define REFUVFM5 23
#define REFUVFM6 24
#define REFUVFM7 25
#define REFUVFM8 26
#define REFUVFM9 27
#define REFUVFM10 28
#define REFUVFM11 29
#define REFUVFM12 30
#define REFUVFM13 31
#define REFUVFM14 32
#define REFUVFM15 33
.default_execution_size (16)
.default_register_type :ub
// ----------- Common constant definitions ------------
//
// Bit position constants
//
#define BIT0 0x01
#define BIT1 0x02
#define BIT2 0x04
#define BIT3 0x08
#define BIT4 0x10
#define BIT5 0x20
#define BIT6 0x40
#define BIT7 0x80
#define BIT8 0x0100
#define BIT9 0x0200
#define BIT10 0x0400
#define BIT11 0x0800
#define BIT12 0x1000
#define BIT13 0x2000
#define BIT14 0x4000
#define BIT15 0x8000
#define BIT16 0x00010000
#define BIT17 0x00020000
#define BIT18 0x00040000
#define BIT19 0x00080000
#define BIT20 0x00100000
#define BIT21 0x00200000
#define BIT22 0x00400000
#define BIT23 0x00800000
#define BIT24 0x01000000
#define BIT25 0x02000000
#define BIT26 0x04000000
#define BIT27 0x08000000
#define BIT28 0x10000000
#define BIT29 0x20000000
#define BIT30 0x40000000
#define BIT31 0x80000000
#define GRFWIB 32 // GRF register width in byte
#define GRFWIW 16 // GRF register width in word
#define GRFWID 8 // GRF register width in dword
#define INST_SIZE 16 // Instruction size = 128b = 16 Bytes
#define REGION(Width,HStride) <Width*HStride;Width,HStride>
#define NULLREG null<1>:ud
#define NULLREGW null<1>:w
#define TOP_FIELD 0
#define BOTTOM_FIELD 1
// M2 - M9 for date writing message payload
.declare MSGPAYLOAD Base=m2 ElementSize=1 SrcRegion=REGION(16,1) Type=ub
.declare MSGPAYLOADB Base=m2 ElementSize=1 SrcRegion=REGION(16,1) Type=ub
.declare MSGPAYLOADW Base=m2 ElementSize=2 SrcRegion=REGION(16,1) Type=uw
.declare MSGPAYLOADD Base=m2 ElementSize=4 SrcRegion=REGION(8,1) Type=ud
// ----------- Common Message Descriptor ------------
//
#ifdef DEV_ILK
#define MSG_GW 0x03 // Message Gateway Extended Message Descriptor,
#define DAPREAD 0x04 // Data Port Read Extended Message Descriptor,
#define DAPWRITE 0x05 // Data Port Write Extended Message Descriptor,
#define TS 0x07 // Thread Spawner Extended Message Descriptor
#define TS_EOT 0x27 // End of Thread Extended Message Descriptor
#define EOTMSGDSC 0x02000010 // End of Thread Message Descriptor, don't deference URB handle
// Data Port Message Descriptor
#define DWBRMSGDSC_RC 0x02086000 // DWORD Block Read Message Descriptor, reading from render cache = 6.
#define DWBRMSGDSC_RC_TF 0x02086600 // DWORD Block Read Message Descriptor, reading from render cache = 6.
#define DWBRMSGDSC_RC_BF 0x02086700 // DWORD Block Read Message Descriptor, reading from render cache = 6.
#define DWBRMSGDSC_SC 0x0208A000 // DWORD Block Read Message Descriptor, reading from sampler cache = A.
#define DWBRMSGDSC_SC_TF 0x0208E600 // DWORD Block Read Message Descriptor, reading top field from field mode sampler cache.
#define DWBRMSGDSC_SC_BF 0x0208E700 // DWORD Block Read Message Descriptor, reading bottom field from field mode sampler cache.
#define DWBWMSGDSC 0x02082000 // DWORD Block Write Message Descriptor
#define DWBWMSGDSC_WC 0x0218A000 // DWORD Block Write Message Descriptor + write commit
// Enable Write Commit writeback mesage
#define ENWRCOM 0x00108000 // Enable "write commit" and set response length = 1
// Thread Spawner Message Descriptor
#define TSMSGDSC 0x02000011
// Message Gateway Message Descriptors
#define OGWMSGDSC 0x02000000 // OpenGateway Message Descriptor
#define CGWMSGDSC 0x02000001 // CloseGateway Message Descriptor
#define FWDMSGDSC 0x02000002 // ForwardMsg Message Descriptor
#define NOTIFYMSG 0x00008000 // Send notification with ForwardMsg message
#define RESP_LEN(len) 0x100000*len
#define MSG_LEN(len) 0x2000000*len
#else // Pre DEV_ILK
#define MSG_GW
#define DAPREAD
#define DAPWRITE
#define TS
#define TS_EOT
#define EOTMSGDSC 0x87100010 // End of Thread Message Descriptor, don't deference URB handle
// Data Port Message Descriptor
#define DWBRMSGDSC_RC 0x04106000 // DWORD Block Read Message Descriptor, reading from render cache = 6.
#define DWBRMSGDSC_RC_TF 0x04106600 // DWORD Block Read Message Descriptor, reading from render cache = 6.
#define DWBRMSGDSC_RC_BF 0x04106700 // DWORD Block Read Message Descriptor, reading from render cache = 6.
#define DWBRMSGDSC_SC 0x0410A000 // DWORD Block Read Message Descriptor, reading from sampler cache = A.
#define DWBRMSGDSC_SC_TF 0x0410A600 // DWORD Block Read Message Descriptor, reading top field from field mode sampler cache.
#define DWBRMSGDSC_SC_BF 0x0410A700 // DWORD Block Read Message Descriptor, reading bottom field from field mode sampler cache.
#define DWBWMSGDSC 0x05102000 // DWORD Block Write Message Descriptor
#define DWBWMSGDSC_WC 0x0511A000 // DWORD Block Write Message Descriptor + write commit
// Enable Write Commit writeback mesage
#define ENWRCOM 0x00018000 // Enable "write commit" and set response length = 1
// Thread Spawner Message Descriptor
#define TSMSGDSC 0x07100011
// Message Gateway Message Descriptors
#define OGWMSGDSC 0x03100000 // OpenGateway Message Descriptor
#define CGWMSGDSC 0x03100001 // CloseGateway Message Descriptor
#define FWDMSGDSC 0x03100002 // ForwardMsg Message Descriptor
#define NOTIFYMSG 0x00008000 // Send notification with ForwardMsg message
#define ACKREQMSG 0x00014000 // Acknowledgement required so response length should be 1
#define RESP_LEN(len) 0x10000*len
#define MSG_LEN(len) 0x100000*len
#endif // DEV_ILK
// Enable frame/field selection in message descriptor
#define ENMSGDSCFM 0x400 // Enable MSGDSC to select frame surface
#define ENMSGDSCTF 0x600 // Enable MSGDSC to select top field surface
#define ENMSGDSCBF 0x700 // Enable MSGDSC to select bottom field surface
// ----------- Message related register ------------
//
#define MSGHDR m1 // Message Payload Header
#define MSGHDRY m1 // Message Payload Header register for Y data
#define MSGHDRY0 m1 // Message Payload Header register for Y data
#define MSGHDRY1 m2 // Message Payload Header register for Y data
#define MSGHDRY2 m3 // Message Payload Header register for Y data
#define MSGHDRY3 m4 // Message Payload Header register for Y data
#define MSGHDRUV m5 // Message Payload Header register for U/V data
#define MSGSRC r62 // Message source register, should never be used for other purposes
#define MSGDSC a0.0:ud // Message Descriptor register (type DWORD)
#define MH_ORI MSGSRC.0 // DWORD block R/W message header block offset
#define MH_ORIX MSGSRC.0 // DWORD block R/W message header X offset
#define MH_ORIY MSGSRC.1 // DWORD block R/W message header Y offset
#define MH_SIZE MSGSRC.2 // DWORD block R/W message header block width & height
// Data necessary for kernel operations
//
// Address registers used as pointers
//
// Note: Please keep the register order as is since they are used in compressed instructions
//
#define PPREDBUF_Y a0.4 // Pointer to predicted Y picture
#define PPREDBUF_Y1 a0.5 // Pointer to predicted Y picture for extended instruction
#define PPREDBUF_UV a0.4 // Pointer to predicted U/V picture
#define PPREDBUF_UV1 a0.5 // Pointer to predicted U/V picture for extended instruction
#define PDECBUF a0.4 // Pointer to decoded picture data
#define PDECBUF_UD a0.2 // Pointer to decoded picture data in DWORD unit
// ----------- R63 is reserved for global variables ------------
//
// Note: Don't program it with values other than what are defined here.
#define G_REG r63
#define RETURN_REG G_REG.0 // Return pointer for all sub-routine calls (type DWORD)
#define RETURN_REG1 G_REG.1 // Return pointer for second-level calls
#define I_ORIX G_REG.13 // :uw, H. origin of the macroblock in pixel unit, don't overwrite in-line data
#define I_ORIY G_REG.14 // :uw, V. origin of the macroblock in pixel unit, don't overwrite in-line data
// Macros
//
// Note: For macros that require multiple line expansion, insert "\n" at the end of each line.
//
#define GRF(reg) r##reg
#ifdef DEV_ILK
#define END_THREAD send (8) NULLREG MSGHDR r0:ud TS_EOT EOTMSGDSC
#else
#define END_THREAD send (8) NULLREG MSGHDR r0:ud EOTMSGDSC
#endif // DEV_ILK
#define CALL(subFunc, skipInst) add (1) RETURN_REG<1>:ud ip:ud (1+skipInst)*INST_SIZE \n\
jmpi (1) subFunc
#define CALL_1(subFunc, skipInst) add (1) RETURN_REG1<1>:ud ip:ud (1+skipInst)*INST_SIZE \n\
jmpi (1) subFunc
#define RETURN mov (1) ip:ud RETURN_REG<0;1,0>:ud // Return to calling module
#define RETURN_1 mov (1) ip:ud RETURN_REG1<0;1,0>:ud // Return to second-level calling module
// To support iterative calling
#ifdef SW_SCOREBOARD
#ifdef DEV_CTG_A
#define LEADING_THREAD 1 // For CTG A, no SRT is needed. Only PRT is necessary
#else
#define LEADING_THREAD 0 // For CTG B0 and beyond, PRT doesn't take into debug count
#define DOUBLE_SB // Scoreboard size needs to be doubled
#endif
#ifdef DOUBLE_SB // Scoreboard size needs to be doubled
#define SB_MASK 0x1ff // Scoreboard wrap-around mask (for 512 entries)
#else
#define SB_MASK 0xff // Scoreboard wrap-around mask (for 256 entries)
#endif // defined(DOUBLE_SB)
// Scoreboard related definitions
#define TEMPX r50
#define TEMPY r51
#define DELTA r52
#define M05_STORE r0.13 // :uw, reuse r0.6:ud upper-word to store M0.5 header information for scoreboard
#endif // SW_SCOREBOARD
// End of header.inc
#endif // !defined(__HEADER__)
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