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/*
 * Southern Islands Register documentation
 *
 * Copyright (C) 2011  Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef SID_H
#define SID_H

#include "amdgfxregs.h"

/* si values */
#define SI_CONFIG_REG_OFFSET                 0x00008000
#define SI_CONFIG_REG_END                    0x0000B000
#define SI_SH_REG_OFFSET                     0x0000B000
#define SI_SH_REG_END                        0x0000C000
#define SI_CONTEXT_REG_OFFSET                0x00028000
#define SI_CONTEXT_REG_END                   0x00029000
#define CIK_UCONFIG_REG_OFFSET               0x00030000
#define CIK_UCONFIG_REG_END                  0x00038000

#define EVENT_TYPE_CACHE_FLUSH                  0x6
#define EVENT_TYPE_PS_PARTIAL_FLUSH            0x10
#define EVENT_TYPE_CACHE_FLUSH_AND_INV_TS_EVENT 0x14
#define EVENT_TYPE_ZPASS_DONE                  0x15
#define EVENT_TYPE_CACHE_FLUSH_AND_INV_EVENT   0x16
#define EVENT_TYPE_SO_VGTSTREAMOUT_FLUSH	0x1f
#define EVENT_TYPE_SAMPLE_STREAMOUTSTATS	0x20
#define		EVENT_TYPE(x)                           ((x) << 0)
#define		EVENT_INDEX(x)                          ((x) << 8)
                /* 0 - any non-TS event
		 * 1 - ZPASS_DONE
		 * 2 - SAMPLE_PIPELINESTAT
		 * 3 - SAMPLE_STREAMOUTSTAT*
		 * 4 - *S_PARTIAL_FLUSH
		 * 5 - TS events
		 */

/* EVENT_WRITE_EOP (SI-VI) & RELEASE_MEM (GFX9) */
#define EVENT_TCL1_VOL_ACTION_ENA		(1 << 12)
#define EVENT_TC_VOL_ACTION_ENA			(1 << 13)
#define EVENT_TC_WB_ACTION_ENA			(1 << 15)
#define EVENT_TCL1_ACTION_ENA			(1 << 16)
#define EVENT_TC_ACTION_ENA			(1 << 17)
#define EVENT_TC_NC_ACTION_ENA			(1 << 19) /* GFX9+ */
#define EVENT_TC_WC_ACTION_ENA			(1 << 20) /* GFX9+ */
#define EVENT_TC_MD_ACTION_ENA			(1 << 21) /* GFX9+ */


#define PREDICATION_OP_CLEAR 0x0
#define PREDICATION_OP_ZPASS 0x1
#define PREDICATION_OP_PRIMCOUNT 0x2
#define PREDICATION_OP_BOOL64 0x3

#define PRED_OP(x) ((x) << 16)

#define PREDICATION_CONTINUE (1 << 31)

#define PREDICATION_HINT_WAIT (0 << 12)
#define PREDICATION_HINT_NOWAIT_DRAW (1 << 12)

#define PREDICATION_DRAW_NOT_VISIBLE (0 << 8)
#define PREDICATION_DRAW_VISIBLE (1 << 8)

#define R600_TEXEL_PITCH_ALIGNMENT_MASK        0x7

/* All registers defined in this packet section don't exist and the only
 * purpose of these definitions is to define packet encoding that
 * the IB parser understands, and also to have an accurate documentation.
 */
#define PKT3_NOP                               0x10
#define PKT3_SET_BASE                          0x11
#define PKT3_CLEAR_STATE                       0x12
#define PKT3_INDEX_BUFFER_SIZE                 0x13
#define PKT3_DISPATCH_DIRECT                   0x15
#define PKT3_DISPATCH_INDIRECT                 0x16
#define PKT3_OCCLUSION_QUERY                   0x1F /* new for CIK */
#define PKT3_SET_PREDICATION                   0x20
#define PKT3_COND_EXEC                         0x22
#define PKT3_PRED_EXEC                         0x23
#define PKT3_DRAW_INDIRECT                     0x24
#define PKT3_DRAW_INDEX_INDIRECT               0x25
#define PKT3_INDEX_BASE                        0x26
#define PKT3_DRAW_INDEX_2                      0x27
#define PKT3_CONTEXT_CONTROL                   0x28
#define     CONTEXT_CONTROL_LOAD_ENABLE(x)     (((unsigned)(x) & 0x1) << 31)
#define     CONTEXT_CONTROL_LOAD_CE_RAM(x)     (((unsigned)(x) & 0x1) << 28)
#define     CONTEXT_CONTROL_SHADOW_ENABLE(x)   (((unsigned)(x) & 0x1) << 31)
#define PKT3_INDEX_TYPE                        0x2A /* not on GFX9 */
#define PKT3_DRAW_INDIRECT_MULTI               0x2C
#define   R_2C3_DRAW_INDEX_LOC                  0x2C3
#define     S_2C3_COUNT_INDIRECT_ENABLE(x)      (((unsigned)(x) & 0x1) << 30)
#define     S_2C3_DRAW_INDEX_ENABLE(x)          (((unsigned)(x) & 0x1) << 31)
#define PKT3_DRAW_INDEX_AUTO                   0x2D
#define PKT3_DRAW_INDEX_IMMD                   0x2E /* not on CIK */
#define PKT3_NUM_INSTANCES                     0x2F
#define PKT3_DRAW_INDEX_MULTI_AUTO             0x30
#define PKT3_INDIRECT_BUFFER_SI                0x32 /* not on CIK */
#define PKT3_INDIRECT_BUFFER_CONST             0x33
#define PKT3_STRMOUT_BUFFER_UPDATE             0x34
#define		STRMOUT_STORE_BUFFER_FILLED_SIZE	1
#define		STRMOUT_OFFSET_SOURCE(x)	(((unsigned)(x) & 0x3) << 1)
#define			STRMOUT_OFFSET_FROM_PACKET		0
#define			STRMOUT_OFFSET_FROM_VGT_FILLED_SIZE	1
#define			STRMOUT_OFFSET_FROM_MEM			2
#define			STRMOUT_OFFSET_NONE			3
#define		STRMOUT_DATA_TYPE(x)		(((unsigned)(x) & 0x1) << 7)
#define		STRMOUT_SELECT_BUFFER(x)	(((unsigned)(x) & 0x3) << 8)
#define PKT3_DRAW_INDEX_OFFSET_2               0x35
#define PKT3_WRITE_DATA                        0x37
#define PKT3_DRAW_INDEX_INDIRECT_MULTI         0x38
#define PKT3_MEM_SEMAPHORE                     0x39
#define PKT3_MPEG_INDEX                        0x3A /* not on CIK */
#define PKT3_WAIT_REG_MEM                      0x3C
#define		WAIT_REG_MEM_EQUAL		3
#define		WAIT_REG_MEM_NOT_EQUAL		4
#define		WAIT_REG_MEM_GREATER_OR_EQUAL   5
#define         WAIT_REG_MEM_MEM_SPACE(x)       (((unsigned)(x) & 0x3) << 4)
#define         WAIT_REG_MEM_PFP		(1 << 8)
#define PKT3_MEM_WRITE                         0x3D /* not on CIK */
#define PKT3_INDIRECT_BUFFER_CIK               0x3F /* new on CIK */

#define PKT3_COPY_DATA			       0x40
#define		COPY_DATA_SRC_SEL(x)		((x) & 0xf)
#define			COPY_DATA_REG		0
#define			COPY_DATA_SRC_MEM	1 /* only valid as source */
#define                 COPY_DATA_TC_L2         2
#define                 COPY_DATA_GDS           3
#define                 COPY_DATA_PERF          4
#define                 COPY_DATA_IMM           5
#define                 COPY_DATA_TIMESTAMP     9
#define		COPY_DATA_DST_SEL(x)		(((unsigned)(x) & 0xf) << 8)
#define                 COPY_DATA_DST_MEM_GRBM	1 /* sync across GRBM, deprecated */
#define                 COPY_DATA_TC_L2         2
#define                 COPY_DATA_GDS           3
#define                 COPY_DATA_PERF          4
#define                 COPY_DATA_DST_MEM       5
#define		COPY_DATA_COUNT_SEL		(1 << 16)
#define		COPY_DATA_WR_CONFIRM		(1 << 20)
#define		COPY_DATA_ENGINE_PFP		(1 << 30)
#define PKT3_PFP_SYNC_ME		       0x42
#define PKT3_SURFACE_SYNC                      0x43 /* deprecated on CIK, use ACQUIRE_MEM */
#define PKT3_ME_INITIALIZE                     0x44 /* not on CIK */
#define PKT3_COND_WRITE                        0x45
#define PKT3_EVENT_WRITE                       0x46
#define PKT3_EVENT_WRITE_EOP                   0x47 /* not on GFX9 */
#define         EOP_DST_SEL(x)				((x) << 16)
#define			EOP_DST_SEL_MEM			0
#define			EOP_DST_SEL_TC_L2		1
#define         EOP_INT_SEL(x)                          ((x) << 24)
#define			EOP_INT_SEL_NONE			0
#define			EOP_INT_SEL_SEND_DATA_AFTER_WR_CONFIRM	3
#define         EOP_DATA_SEL(x)                         ((x) << 29)
#define			EOP_DATA_SEL_DISCARD		0
#define			EOP_DATA_SEL_VALUE_32BIT	1
#define			EOP_DATA_SEL_VALUE_64BIT	2
#define			EOP_DATA_SEL_TIMESTAMP		3
#define			EOP_DATA_SEL_GDS		5
#define		EOP_DATA_GDS(dw_offset, num_dwords)	((dw_offset) | ((unsigned)(num_dwords) << 16))
/* CP DMA bug: Any use of CP_DMA.DST_SEL=TC must be avoided when EOS packets
 * are used. Use DST_SEL=MC instead. For prefetch, use SRC_SEL=TC and
 * DST_SEL=MC. Only CIK chips are affected.
 */
/* fix CP DMA before uncommenting: */
/*#define PKT3_EVENT_WRITE_EOS                   0x48*/ /* not on GFX9 */
#define PKT3_RELEASE_MEM                       0x49 /* GFX9+ [any ring] or GFX8 [compute ring only] */
#define PKT3_ONE_REG_WRITE                     0x57 /* not on CIK */
#define PKT3_ACQUIRE_MEM                       0x58 /* new for CIK */
#define PKT3_REWIND                            0x59 /* VI+ [any ring] or CIK [compute ring only] */
#define PKT3_SET_CONFIG_REG                    0x68
#define PKT3_SET_CONTEXT_REG                   0x69
#define PKT3_SET_SH_REG                        0x76
#define PKT3_SET_SH_REG_OFFSET                 0x77
#define PKT3_SET_UCONFIG_REG                   0x79 /* new for CIK */
#define PKT3_SET_UCONFIG_REG_INDEX             0x7A /* new for GFX9, CP ucode version >= 26 */
#define PKT3_LOAD_CONST_RAM                    0x80
#define PKT3_WRITE_CONST_RAM                   0x81
#define PKT3_DUMP_CONST_RAM                    0x83
#define PKT3_INCREMENT_CE_COUNTER              0x84
#define PKT3_INCREMENT_DE_COUNTER              0x85
#define PKT3_WAIT_ON_CE_COUNTER                0x86
#define PKT3_LOAD_CONTEXT_REG                  0x9F /* new for VI */

#define PKT_TYPE_S(x)                   (((unsigned)(x) & 0x3) << 30)
#define PKT_TYPE_G(x)                   (((x) >> 30) & 0x3)
#define PKT_TYPE_C                      0x3FFFFFFF
#define PKT_COUNT_S(x)                  (((unsigned)(x) & 0x3FFF) << 16)
#define PKT_COUNT_G(x)                  (((x) >> 16) & 0x3FFF)
#define PKT_COUNT_C                     0xC000FFFF
#define PKT0_BASE_INDEX_S(x)            (((unsigned)(x) & 0xFFFF) << 0)
#define PKT0_BASE_INDEX_G(x)            (((x) >> 0) & 0xFFFF)
#define PKT0_BASE_INDEX_C               0xFFFF0000
#define PKT3_IT_OPCODE_S(x)             (((unsigned)(x) & 0xFF) << 8)
#define PKT3_IT_OPCODE_G(x)             (((x) >> 8) & 0xFF)
#define PKT3_IT_OPCODE_C                0xFFFF00FF
#define PKT3_PREDICATE(x)               (((x) >> 0) & 0x1)
#define PKT3_SHADER_TYPE_S(x)           (((unsigned)(x) & 0x1) << 1)
#define PKT0(index, count) (PKT_TYPE_S(0) | PKT0_BASE_INDEX_S(index) | PKT_COUNT_S(count))
#define PKT3(op, count, predicate) (PKT_TYPE_S(3) | PKT_COUNT_S(count) | PKT3_IT_OPCODE_S(op) | PKT3_PREDICATE(predicate))

#define PKT3_CP_DMA					0x41
/* 1. header
 * 2. SRC_ADDR_LO [31:0] or DATA [31:0]
 * 3. CP_SYNC [31] | SRC_SEL [30:29] | ENGINE [27] | DST_SEL [21:20] | SRC_ADDR_HI [15:0]
 * 4. DST_ADDR_LO [31:0]
 * 5. DST_ADDR_HI [15:0]
 * 6. COMMAND [29:22] | BYTE_COUNT [20:0]
 */

#define PKT3_DMA_DATA					0x50 /* new for CIK */
/* 1. header
 * 2. CP_SYNC [31] | SRC_SEL [30:29] | DST_SEL [21:20] | ENGINE [0]
 * 2. SRC_ADDR_LO [31:0] or DATA [31:0]
 * 3. SRC_ADDR_HI [31:0]
 * 4. DST_ADDR_LO [31:0]
 * 5. DST_ADDR_HI [31:0]
 * 6. COMMAND [29:22] | BYTE_COUNT [20:0]
 */

/* SI async DMA packets */
#define SI_DMA_PACKET(cmd, sub_cmd, n) ((((unsigned)(cmd) & 0xF) << 28) |    \
                                       (((unsigned)(sub_cmd) & 0xFF) << 20) |\
                                       (((unsigned)(n) & 0xFFFFF) << 0))
/* SI async DMA Packet types */
#define    SI_DMA_PACKET_WRITE                     0x2
#define    SI_DMA_PACKET_COPY                      0x3
#define    SI_DMA_COPY_MAX_BYTE_ALIGNED_SIZE       0xfffe0
/* The documentation says 0xffff8 is the maximum size in dwords, which is
 * 0x3fffe0 in bytes. */
#define    SI_DMA_COPY_MAX_DWORD_ALIGNED_SIZE      0x3fffe0
#define    SI_DMA_COPY_DWORD_ALIGNED               0x00
#define    SI_DMA_COPY_BYTE_ALIGNED                0x40
#define    SI_DMA_COPY_TILED                       0x8
#define    SI_DMA_PACKET_INDIRECT_BUFFER           0x4
#define    SI_DMA_PACKET_SEMAPHORE                 0x5
#define    SI_DMA_PACKET_FENCE                     0x6
#define    SI_DMA_PACKET_TRAP                      0x7
#define    SI_DMA_PACKET_SRBM_WRITE                0x9
#define    SI_DMA_PACKET_CONSTANT_FILL             0xd
#define    SI_DMA_PACKET_NOP                       0xf

/* CIK async DMA packets */
#define CIK_SDMA_PACKET(op, sub_op, n)   ((((unsigned)(n) & 0xFFFF) << 16) |	\
					 (((unsigned)(sub_op) & 0xFF) << 8) |	\
					 (((unsigned)(op) & 0xFF) << 0))
/* CIK async DMA packet types */
#define    CIK_SDMA_OPCODE_NOP                     0x0
#define    CIK_SDMA_OPCODE_COPY                    0x1
#define        CIK_SDMA_COPY_SUB_OPCODE_LINEAR            0x0
#define        CIK_SDMA_COPY_SUB_OPCODE_TILED             0x1
#define        CIK_SDMA_COPY_SUB_OPCODE_SOA               0x3
#define        CIK_SDMA_COPY_SUB_OPCODE_LINEAR_SUB_WINDOW 0x4
#define        CIK_SDMA_COPY_SUB_OPCODE_TILED_SUB_WINDOW  0x5
#define        CIK_SDMA_COPY_SUB_OPCODE_T2T_SUB_WINDOW    0x6
#define    CIK_SDMA_OPCODE_WRITE                   0x2
#define        SDMA_WRITE_SUB_OPCODE_LINEAR               0x0
#define        SDMA_WRTIE_SUB_OPCODE_TILED                0x1
#define    CIK_SDMA_OPCODE_INDIRECT_BUFFER         0x4
#define    CIK_SDMA_PACKET_FENCE                   0x5
#define    CIK_SDMA_PACKET_TRAP                    0x6
#define    CIK_SDMA_PACKET_SEMAPHORE               0x7
#define    CIK_SDMA_PACKET_CONSTANT_FILL           0xb
#define    CIK_SDMA_OPCODE_TIMESTAMP               0xd
#define        SDMA_TS_SUB_OPCODE_SET_LOCAL_TIMESTAMP     0x0
#define        SDMA_TS_SUB_OPCODE_GET_LOCAL_TIMESTAMP     0x1
#define        SDMA_TS_SUB_OPCODE_GET_GLOBAL_TIMESTAMP    0x2
#define    CIK_SDMA_PACKET_SRBM_WRITE              0xe
/* There is apparently an undocumented HW "feature" that
   prevents the HW from copying past 256 bytes of (1 << 22) */
#define    CIK_SDMA_COPY_MAX_SIZE                  0x3fff00

enum amd_cmp_class_flags {
	S_NAN = 1 << 0,        // Signaling NaN
	Q_NAN = 1 << 1,        // Quiet NaN
	N_INFINITY = 1 << 2,   // Negative infinity
	N_NORMAL = 1 << 3,     // Negative normal
	N_SUBNORMAL = 1 << 4,  // Negative subnormal
	N_ZERO = 1 << 5,       // Negative zero
	P_ZERO = 1 << 6,       // Positive zero
	P_SUBNORMAL = 1 << 7,  // Positive subnormal
	P_NORMAL = 1 << 8,     // Positive normal
	P_INFINITY = 1 << 9    // Positive infinity
};

#endif /* _SID_H */